Word problems: Whole-part models

Maths

Addition and subtraction of 2-digit numbers (regrouping and adjusting)

What calculation is need to solve the following word problem:  Sally bought used 13 bricks yesterday. Today she she used another 27. How many bricks did she use altogether?

Solve the following word problem: Rebecca has 32 shirts in her wardrobe. She gives away 16. How many shirts does she have left?

What is the inverse of the following equation? 52-25=27

What is the inverse of this equation? 51-25=26

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