Year 3

Year 3

# Solving addition and subtraction word problems

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## Lesson details

### Key learning points

1. In this lesson, we will consolidate learning on column addition and subtraction by applying this knowledge to 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.

## Video

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## Worksheet

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## Starter quiz

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### 5 Questions

Q1.
Column subtraction is a...
estimate
mental strategy
Q2.
Which of these calculations require regrouping?
215 - 111 =
600 - 500 =
678 - 123 =
Correct answer: 911 - 822 =
Q3.
Does this look like a reasonable answer? 754 - 569 = 501
Yes
Q4.
943 - 276 = 767 True or false?
Option 1
True
Q5.
761 - 279 =
518
582
600

## Exit quiz

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### 5 Questions

Q1.
We estimate when answering questions to...
to see if it's addition or subtraction
Q2.
Bar models help us to...
pick nice colours
see a pretty picture
Correct answer: Work out the known/unknown values
Q3.
We always need to use column addition or subtraction when answering word problems?