Word problems: Whole-part models
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Lesson details
Key learning points
- In this lesson, we will learn how to use whole-part models to help us solve addition and subtraction word problems.
Licence
This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.
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3 Questions
Q1.
Solve the following equation: 41-14=?
26
37
Q2.
Solve the following equation: 61-25=?
37
51
Q3.
What is the inverse of this equation? 51-25=26
26-25=51
51+26=25
3 Questions
Q1.
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?
13+13
27-13
Q2.
Solve the following word problem: Rebecca has 32 shirts in her wardrobe. She gives away 16. How many shirts does she have left?
32-16-15
32+16=48
Q3.
What is the inverse of the following equation? 52-25=27
27-25=32
52+25=27