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Lesson details
Key learning points
- 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.
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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 =
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
5 Questions
Q1.
We estimate when answering questions to...
to get the exact answer
to see if it's addition or subtraction
Q2.
Bar models help us to...
get the exact answers
pick nice colours
see a pretty picture
Q3.
We always need to use column addition or subtraction when answering word problems?
True
Q4.
Class B won 456 house-points before Christmas. Class D won 106 more. How many did Class D win? Does this question require addition or subtraction to answer it?
Subtraction
Q5.
Edinburgh castle sold 345 tickets for tours on Monday. On Tuesday it sold 109 less. How many tickets were sold on Tuesday?
109
345
454