# ClassroomWarrior's Shop

Year 4 teacher, mathematics subject leader and all round top bloke in an outstanding primary school in Kent. My philosphy is to never charge more than the price of a pint or a glass or wine for a resource.

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Year 4 teacher, mathematics subject leader and all round top bloke in an outstanding primary school in Kent. My philosphy is to never charge more than the price of a pint or a glass or wine for a resource.

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Year 4 teacher, mathematics subject leader and all round top bloke in an outstanding primary school in Kent.
My philosphy is to never charge more than the price of a pint or a glass or wine for a resource.

Times table activity that has been adapted from the mastery approaches used in Singapore. The activity is differentiated through conceptual and procedural variation.
These activities will challenge children at ‘Expected’ and at ‘Greater Depth’
Covers the 2x, 3x, 4x, 5x, 6x, 7x, 8x, 9x, 10x, 11x & 12x - tables
View the free lessons in my shop to get a taste of my style: https://www.tes.com/teaching-resources/shop/ClassroomWarrior

20 lessons on multiplication and division that have been adapted from the mastery approaches used in Shanghai. The learning is differentiated through conceptual/procedural variation as well as the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1–To-multiply-by-6
Lesson-2–To-multiply-by-7
Lesson-3–To-multiply-by-9
Lesson-4–To-multiply-by-9
Lesson-5–To-multiply-by-11
Lesson-6-To-multiply-by-11
Lesson-7–To-multiply-by-12
Lesson-8–To-divide-by-6
Lesson-9–To-divide-by-7
Lesson-10–To-divide-by-9
Lesson-11–To-multiply-and-divide-by-11-and-12
Lesson-12–To-divide-with-remainders
Lesson-13–To-solve-word-problems-involving-multiplication-and-division.
Lesson-14–To-solve-word-problems-involving-multiplication-and-division
Lesson-15–To-solve-word-problems-involving-multiplication-and-division
Lesson-16-To-multiply-2-digit-numbers.
Lesson-17–To-understand-commutativity.
Lesson-18–To-multiply-by-0-and-1.
Lesson-19–To-divide-by-1
Lesson-20–To-multiply-three-numbers.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

5 lessons on fractions that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual/procedural variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-know-how-to-find-equivalent-fractions-Fractions
Lesson-2-To-know-how-to-find-equivalent-fractions-Fractions
Lesson-3-To-know-how-to-find-equivalent-fractions-Fractions
Lesson-4-To-know-how-to-find-equivalent-fractions-Fractions
Lesson-5-To-know-how-to-find-equivalent-fractions-Fractions
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
View the free lessons in my shop to get a taste of my style: https://www.tes.com/teaching-resources/shop/ClassroomWarrior

5 lessons on fractions that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual/procedural variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-add-fractions-using-pictorial-representations–to-simplify-fractions-after-adding-them-Fractions
Lesson-2-To-subtract-fractions-using-pictorial-representations–to-simplify-fractions-after-they-have-been-subtracted-Fractions
Lesson-3-To-compare-the-fractions-1-2-and-1-4-Fractions
Lesson-4-To-compare-fractions-using-pictorial-representations-Fractions
Lesson-5-To-compare-fractions-with-different-names-(denominators)-using-pictorial-representations-and-number-lines-Fractions
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Greater Depth – Questions and activities designed to deepen mathematical thinking.
View the free lessons in my shop to get a taste of my style: https://www.tes.com/teaching-resources/shop/ClassroomWarrior

8 lessons on length which make links to addition, subtraction & multiplication. They have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual/procedural variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
This work has been created for the new maths curriculum.
Lesson-1—To-write-length-in-metres-and-centimetres-Length
Lesson-2—To-write-length-in-Centimetres-Length
Lesson-3—To-write-length-in-metres-Length
Lesson-4—To-write-length-in-kilometres-and-metres-Length
Lesson-5–To-know-how-to-compare-length-Length
Lesson-6—To-know-how-to-solve-word-problems-Length
Lesson-7—To-know-how-to-solve-word-problems-Length
Lesson-8—To-know-how-to-solve-word-problems-Length
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

16 lessons on decimals that have been adapted from the mastery approaches used in Shanghai. The learning is differentiated through conceptual/procedural variation as well as the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1–To-record-tenths.
Lesson-2–To-record-in-tenths.
Lesson-3–To-record-in-tenths-(in-different-ways).
Lesson-4–To-write-hundredths.
Lesson-5–To-write-hundredths.
Lesson-6-To-write-hundredths-(in-different-ways).
Lesson-7-To-record-hundredths.
Lesson-8-To-write-decimal-numbers.
Lesson-9-To-compare-and-order-decimal-numbers.
Lesson-10-To-write-decimal-numbers.
Lesson-11-To-compare-and-order-decimal-numbers.
Lesson-12-To-compare-and-order-decimal-numbers.
Lesson-13-To-round-decimal-numbers.
Lesson-15-To-divide-whole-numbers-by-10.
Lesson-16-To-divide-whole-numbers-by-100.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

1 lessons on negative numbers that have been adapted from the mastery approaches used in Shanghai. The learning is differentiated through conceptual/procedural variation as well as the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

1 lessons on using the Bar Method to solve addition and subtraction word problems (measurement) that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-know-how-to-divide-by-3
This work been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)

4 lessons on division that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-know-how-to-divide-by-3
Lesson-2-To-know-how-to-divide-by-4
Lesson-3-To-be-able-to-make-multiplication-and-division-families
Lesson-4–To-know-how-to-divide-by-4-8
This work been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

4 lessons on bar modelling that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1–To-know-how-to-use-part-whole-bar-models-for-addition—subtraction—2-digit-numbers
Lesson-2–To-know-how-to-use-part-whole-bar-models-for-addition—subtraction—3-digit-numbers
Lesson-3–To-know-how-to-use-comparison-bar-models-for-addition—subtraction—2-digit-numbers
Lesson-4–To-know-how-to-use-comparison-bar-models-for-addition—subtraction—3-digit-numbers
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

4 lessons on subtraction that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1–To-be-able-to-make-simple-subtractions-using-1s
Lesson-2–To-be-able-to-make-simple-subtractions-using-10s
Lesson-3–To-be-able-to-make-simple-subtractions-using-100s
Lesson-4–To-be-able-to-make-simple-subtractions-using-columns
This work been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

4 lessons on subtraction with renaming that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1–To-be-able-to-subtract-with-renaming-10s-to-1s
Lesson-2–To-be-able-to-subtract-with-renaming-100s-to-10s
Lesson-3–To-be-able-to-subtract-with-renaming
Lesson-4–To-be-able-to-subtract-with-renaming
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

3 lessons on multiplication that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1—To-know-how-to-multiply-by-3
Lesson-2—To-know-how-to-multiply-by-4
Lesson-3—To-know-how-to-multiply-by-8
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

4 lessons on multiplication and division that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-know-how-to-divide-by-3
Lesson-2-To-know-how-to-divide-by-4
Lesson-3-To-be-able-to-make-multiplication-and-division-families
Lesson-4-To-know-how-to-divide-by-4-&-8
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

14 lessons on place value that have been adapted from the mastery approaches used in Shanghai. The learning is differentiated through conceptual/procedural variation as well as the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-count-in-hundreds-and-twenty-fives
Lesson-2-To-count-in-thousands
Lesson-3-To-count-in-thousands–hundreds–tens-and-ones.
Lesson-4-To-use-an-understanding-of-place-value-to-count
Lesson-5-To-understand-place-value-in-a-4-digit-number.
Lesson-6-To-compare-and-order-numbers.
Lesson-7-To-compare-and-order-4-digit-numbers.
Lesson-8-To-make-number-patterns-(100–10–1-more-and-less).
Lesson-9-To-make-number-patterns-(4-digit-numbers).
Lesson-10-To-count-in-sixes–sevens-and-nines.
Lesson-11-To-round-numbers-to-the-nearest-1000.
Lesson-12-To-round-numbers-to-the-nearest-10–100-and-1000.
Lesson-13-To-round-numbers-to-estimate.
Lesson-14-To-round-numbers-to-estimate.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

12 lessons on addition and subtraction that have been adapted from the mastery approaches used in Shanghai. The learning is differentiated through conceptual/procedural variation as well as the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-Addition-To-find-totals-and-sums.
Lesson-2-Addition-To-add-without-renaming.
Lesson-3-Addition-To-add-with-renaming-(in-the-ones-column).
Lesson-4-Addition-To-add-with-renaming-(in-tens-and-ones).
Lesson-5-Addition-To-add-with-renaming-(in-hundreds–tens-and-ones).
Lesson-6-Addition-To-add-using-mental-strategies-(making-tens–hundreds-and-thousands).
Lesson-7-To-solve-addition-and-subtraction-word-problems.
Lesson-8-Subtraction-To-subtract-without-renaming-(column-subtraction).
Lesson-9-Subtraction-To-subtract-with-renaming-(in-tens-and-ones).
Lesson-10-Subtraction-To-subtract-with-renaming-(in-hundreds-tens-and-ones).
Lesson-11-Subtraction-To-subtract-with-renaming-(in-hundreds-tens-and-ones).
Lesson-12-Subtraction-To-solve-addition-and-subtraction-word-problems.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice - Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

5 lessons on lines that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual/procedural variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-identify–define-and-create-perpendicular-lines–to-find-perpendicular-lines-in-everyday-objects.
Lesson-2-To-identify–define-and-create-parallel-lines–to-find-parallel-lines-in-everyday-objects.
Lesson-3-To-define-and-identify-vertical-and-horizontal-lines–to-find-vertical-and-horizontal-lines-in-everyday-life
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Greater Depth – Questions and activities designed to deepen mathematical thinking.
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/fractions-number-pairs-year-3-mastery-1-lesson-11484587

2 lessons on shape that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual/procedural variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-describe-2-D-shapes-using-familiar-vocabulary-about-lines-and-angles.
Lesson-2-To-describe-3-D-shapes-using-familiar-terms–to-identify-properties-of-3-D-shapes.
This work has been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Greater Depth – Questions and activities designed to deepen mathematical thinking.
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/fractions-number-pairs-year-3-mastery-1-lesson-11484587

4 lessons on number that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities.
Lesson-1-To-know-how-to-count-in-100s
Lesson-2–To-know-how-to-count-in-Hundred-Tens-Ones
Lesson-3–To-understand-place-value
Lesson-4–To-be-able-to-compare-and-order-numbers
This work been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Check out my free lesson to get a taste of my style: https://www.tes.com/teaching-resource/addition-subtraction-bar-model-year-3-mastery-1-lesson-11317170

1 lessons on fractions and making number pairs that have been adapted from the mastery approaches used in Singapore. The learning is differentiated through conceptual variation and the use of Concrete-Pictorial-Abstract (C-P-A) type activities. Includes questions as greater depth and a detailed lesson plan. I have used this lesson for an observation.
Lesson-1-Making-number-Pairs-Fractions
This work been created for the new maths curriculum.
Lesson Structure
Introductory Activity – An activity to get this children thinking about the new concept. (5 mins)
Learn together – Introduces the new mathematical concept and helps the teacher model expert thinking. (10 mins)
Guided practice – Questions to encourage discussion and collaboration and further consolidation understanding of the new concept. Opportunities for children to explain in their own words how they solved to the class. (20 mins)
Independent activity – Questions to support AfL. Resources are on the final slide. (15 mins)
Fits in with a five lesson sequence which can be viewed here: https://www.tes.com/teaching-resource/adding-fractions-year-3-mastery-5-lessons-11484575