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Bite 2

Form multiples of ten when adding and subtracting two-digit numbers

• Add two-digit numbers by building to multiples of ten

• Add and subtract from a two-digit number and record on an empty number line

• Use quantity values to separate tens and ones for addition (only)

• Use an inverse strategy to turn a subtraction into an addition (Reasons about relations)

Use knowledge of equality to solve related problems

• Use number bonds to determine a missing number

• Use number knowledge to solve related problems (Reasons about relations)

• Use a variety of ways of writing number sentences

• Use number bonds to solve equality problems