# MathsbyFintan

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All things maths related and some geography.

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All things maths related and some geography.

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#### KS3/KS4 Maths: Area of a Circle

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A PowerPoint demonstrating how to find the area of a circle. Investigation starter allowing pupils to find the relationship between the radius of a circle and the area of a circle. A well designed and differentiated worksheet on areas of circles allowing pupils to maximise progress PowerPoint contains detailed answers to the worksheet.

#### KS4 Maths: Equations of Circles

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5 Lessons: The Radius: Working out the gradient and length of the radius The Tangent: Working out the equation of a tangent and applying it to solve problems Equation of a Circle: Drawing circles from their equations Solving simultaneous equations graphically. Solving simultaneous equations algebraically.

#### KS3/KS4 Maths: Polygons Investigation and Angles

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1. A PowerPoint taking pupils through interior and exterior angles of polygons. 2. A well designed worksheet encouraging pupils to investigate interior and exterior angles. Two differentiated activities on finding interior and exterior angles allowing pupils maximise their progress. 3. PowerPoint includes answers to the worksheet. Updated with fixes to worksheet

#### KS2/KS3/KS4 Maths: Properties and angles of Quadrilaterals

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1. A PowerPoint demonstrating the properties of quadrilaterals and how to work interior and external angles of them. 2. A well differentiated worksheet designed to maximise progress. 3. The PowerPoint contains detailed solutions to the worksheet.

#### KS3 Maths: Multiplying and Dividing by Powers of 10

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1. Powers of 10: looks at multiplying and dividing decimal numbers by 10, 100 and 1000. 2. Multiply and Divide by Powers of 10: looks at multiplying and dividing numbers by 0.1, 0.01, 1/10, 1/100 etc. 3. Both lessons are well differentiated. 4. Now with a newer resource for more able pupils. ***Worksheet Free***

#### KS3/KS4 Maths: 3D Shapes

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1. A PowerPoint designed to prompt pupils to fully understand 3D shapes. 2. A worksheet allowing pupils to investigate Euler's Formula. Questions within the worksheet are well differentiated to allow pupils to maximise their progress. Pupils will also investigate Platonic shapes. 3. Pupils will gain a full understanding of Prisms and Pyramids. 4. Pupils will gain knowledge on Polyhedrons and Non-Polyhedrons. Pupils will be able to explain why a Cylinder is not a Prism. 5. All misconceptions are addressed in this lesson.

#### KS3 Maths: Introduction to Probability (The Scale)

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A lesson on using words and scale to describe probability.

#### KS2/KS3/KS4 Maths: Fractions

4 Resources
Fractions lessons designed for pupils learning how to simplify, add, subtract, multiply and divide fractions. Highly visual to support pupils understanding of fractions. 1. Simplifying Fractions 2. Improper Fractions and Mixed Numbers 3. Fractions of Amounts 4. Adding and Subtracting Fractions 5. Multiplying and Dividing Fractions

#### KS3/KS4 Found Maths: Rearranging Formula

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Introduction to rearranging simple formula including fractions, negatives, squares and square roots. Broken up into 2 lessons. 1 lesson contains a card sort. Lessons include problem solving, STEM questions and answers.

#### KS3 Maths: Percentage Increase and Decrease

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1. Starter on percentages of amounts 2. Mental methods on percentage increase and decrease 3. Calculator method on percentage increase and decrease 4. Examples include the bar model to help pupils understand that the original amount equals 100% ***Worksheet Free***

#### KS2/KS3 Maths: Adding and Subtracting Decimals

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1. Two lessons on adding and subtracting decimals using mental and written methods. 2. Lessons are well differentiated. ***Worksheet Free***

#### KS3 Maths: Adding and Subtracting Fractions

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Adding and subtracting fractions. 1. Adding and subtracting fractions using diagrams (same denominator) 2. Adding and subtracting fractions with the same denominator. 3. Adding and subtracting fractions with different denominators. 4. Adding and subtracting mixed numbers. 5. Activities include problem solving and RICH tasks. 6. Examples come with diagrams to help pupils gain full understanding. ***Worksheet Free***

#### KS3/KS4 Maths: Fractions, Decimals and Percentages

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1. A PowerPoint with examples, questions and answers on converting between FDP. 2. A Tarsia puzzle for pupils to complete as a summary. 3. A homework worksheet.

#### KS2/KS3 Maths: Percentages

6 Resources
Percentages lessons designed for pupils learning percentages. Highly visual to support pupils understanding of percentages.

#### KS3/KS4 Maths: Indices

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Working with indices including algebra.

#### KS3/KS4 Maths: Circles Bundle

4 Resources
A bundle containing resources I have made involving circles.

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Quadratic sequences at KS3. WALT and WILF Part 1: Using position to term rule to find the first few terms of a quadratic sequence. Part 2: Finding the position to term rule of a quadratic sequence. Part 3: Problem solving and RICH task.

#### KS2/KS3 Maths: Converting Measures

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Part 1: Converting between metric units of length, mass (weight) and capacity. (2022 update) 1. PowerPoint demonstrating converting units 2. Worksheet including a crossnumber (Number crossword) and problem solving and reasoning questions. 3. Answers included on the PowerPoint. Update: Crossword has been fixed. Part 2: Imperial Units Contains examples, conversions and problem solving on the following: Converting between imperial units Converting between imperial and metric units.

#### Histograms Introduction

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PowerPoint with WALT and WILF, examples, on screen worksheet and answers.

#### KS3: Area and Perimeter of a Rectangle

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Lesson on area and perimeter of a rectangle including compound shapes. WALT and WILF Starter: Counting the squares Main 1: Area and perimeter of rectangle, Missing lengths and problem solving question Main 2: Area and perimeter of compound shapes and problem solving question