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#### Non-Examples - Shapes (and Angles) - Reasoning Tasks

(8)
There are 8 slides each with five supposed angle or shape properties. This is designed to encourage reasoning discussions in class, so the answers just have “Correct” or “Incorrect”. Error corrected!
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#### Non-Examples - Solving Equations - Reasoning Tasks

(5)
There are 8 sets of five questions that have been answered either correctly or incorrectly, the students have to decide which. These are designed to create discussion in classrooms and include one-step, two-step, brackets, variables on both sides, equations involving fractions, simultaneous equations (linear only) and quadratic equations (both factorised and non-factorised). Hopefully there should be something for all levels up to GCSE.
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#### Non-Examples - Inequalities - Reasoning Tasks

(3)
Five slides each containing five questions answered either correctly or incorrectly; students decide which and explain why they have decided the way they have. This contains inequalities on number lines, satisfying inequalities, solving, regions and quadratic inequalities. These are designed to create discussion in the classroom.
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#### Non-Examples - Pythagoras & Trigonometry - Reasoning Tasks

(5)
There are 8 slides involving 5 questions on each. Answers are given for each question but students must decide whether those answers are correct. There are also “answer slides” but no explanation intentionally because this should invite discussion. The slides move through Pythagoras, trigonometry in right-angled triangles, whether the triangle is right-angled or not, exact trigonometric values, trigonometry in non-right-angled triangles including some worded problems. As I said before, the whole point of these is to create discussion points in class. Hyperlinks now work; sorry for neglecting this initially!
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#### Non-Examples - Fractions, Decimals and Percentages - Reasoning Tasks

(4)
Five slides each with five questions that students must decide whether the given answers are correct or not, explaining their reasoning. There are questions on equivalence, fraction/percentage of an amount, calculations, percentage change etc. These are designed to create discussion in class.
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#### Non-Examples - Ratio and Proportion - Reasoning Tasks

(4)
Five slides each containing five problems which have either been answered correctly or incorrectly; students decide and justify their answer. This is designed to encourage discussion in class. Topics include simplifying ratio, sharing in a given given, simple proportion, algebraic proportion etc.
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#### Non-Examples - Expressions and Formulae - Reasoning Tasks

(4)
Seven sets of five questions and solutions, some of which are correct and some of which are not, the students decide and explain how they have come to their decision. There are slides on simplifying expressions, substitution, expanding and factorising expressions including quadratics, rearranging formulae and algebraic fractions. These are designed to create discussion in class. Hyperlinks now working!
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#### Non-Examples - Coordinates and Graphs - Reasoning Tasks

(3)
Six slides each containing five questions where students need to decide if the answer given is correct and explain how they have arrived at their conclusion. Topics include whether a coordinate lies on a line given its equation, y=mx+c, equations of curves (quadratics, cubics, reciprocals), gradient, These are designed to generate discussion in class.
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#### Non-Examples - Indices and Surds - Reasoning Tasks

(3)
Eight slides each containing five problems that have been either answered correctly or incorrectly; the students’ job is to find out which and why. These are designed to create discussion and use common errors in some solutions. Covered here are simplifying indices and surds, rationalising the denomination, expanding brackets with surds and fractional/negative indices and more.
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#### Non-Examples - Perimeter, Area, Volume - Reasoning Tasks

(2)
This is a set of eight slides, each with five questions and answers; the students must work out whether the answers given are correct. There is also, with each set of questions, confirmation of whether each answer is correct or not but no method done on purpose allowing student to demonstrate their understanding. These are designed to create discussion in class and I have found that asking students what mistake has been made offers an extra challenge.
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#### Spot The Mistakes - Fractions

(33)
This is a twist on revision notes. I have written some notes and given examples but there are mistakes that the students have to correct. They must therefore read the notes very carefully and a partner must check their work. The idea is derived from an idea born from a discussion on Twitter (if you're not on Twitter, seriously think about it). I have split the notes up into three but I have included the whole thing so that you can chop them up your own way, or change stuff if you want. It&'s a bit of an experiment and we&';ll see how it goes!
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#### Rounding, Estimation, Standard Form Grades F to A

(39)
This takes you from basic rounding to whole numbers up through decimal places, significant figures and beyond! Upper and lower bounds also covered along with standard form calculations.