Adding and subtracting ones from a 2-digit number
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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 or subtracting ones from numbers 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.
My whole is 6. One of my parts is 3. What is the other part?
2
4
5
Q2.
My whole is 5. One of my parts is 2, What is the other part?
2
4
5
Q3.
What is 17 - 5?
11
13
14
Q4.
Fifteen subtract four is equal to _______.
ten
thirteen
twelve
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