1
Divisibility Tests
Use divisibility tests to classify numbers and justify conclusions.
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Number Play
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2
Factors and Multiples
Find factors, multiples, common factors, and common multiples using systematic reasoning.
3
Prime Factorisation Puzzles
Apply prime factorisation to solve puzzles about factors, multiples, and products.
4
Numbers in General Form
Represent numbers using variables for digits, such as 10a + b and 100a + 10b + c.
5
Digit Reversal Problems
Use algebraic place-value form to solve digit reversal and digit-sum puzzles.
6
Missing Digit Divisibility
Determine missing digits by combining place value and divisibility tests.
7
Parity Reasoning
Predict whether sums, products, and patterns are odd or even using parity.
8
Number Game Generalisation
Explain why a number trick works by using variables and logical reasoning.
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