Use positive and negative numbers in context such as temperature and position them on a number line; state inequalities using the symbols < and> (e.g. -3 > -5, -1 < 1) Find the difference between a positive and a negative integer, or two negative integers, in context.
Perform addition and subtraction with negative and positive combinations.
Perform multiplication and division with negative and positive combinations and understand why operations involving 2 negatives will produce a positive solution. Understand the idea of reflection on the number line caused by multiplication or division by -1.
Recall all addition and subtraction facts for each number to 20. Use this to solve problems involving small or large numbers.
Derive and recall all number pairs that total 100. Add or subtract mentally pairs of two-digit whole numbers (e.g. 47 + 58, 91 - 35).
Use the symbols <, > and = correctly.
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