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Lesson details
Key learning points
- In this lesson, we will use our knowledge of number bonds within ten to begin deriving facts when adding and subtracting multiples of ten within 100.
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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4 Questions
Q1.
What known fact can help us work out 68 - 5?
6 - 5
6 + 5
8 + 5
Q2.
What known fact can help us work out 45 - 3?
3 - 5
3 + 5
5 + 3
Q3.
What is 37 - 5?
31
33
35
Q4.
What is 32 + 6?
36
37
39
4 Questions
Q1.
If I know 6 - 5 = 1. Then I know 60 - 50 = ____
100
20
30
Q2.
If I know 7 - 3 = 4. Then I know 70 - 30 = ____
20
30
50
Q3.
What is 30 + 50?
100
70
90
Q4.
Sixty subtract forty is equal to....
Fifty
Forty
Thirty