Adding and subtracting two 2-digit numbers
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Lesson details
Key learning points
- In this lesson, we will apply our knowledge of number bonds within ten to derive 2-digit addition and subtraction number facts within 100.
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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.
If 7 - 2 = 5 then 73 - 20 = ______
5
50
57
Q2.
Which TWO number facts help us to solve 75 - 21?
7 - 1 = 6
7 + 2 = 9
Q3.
Which TWO number facts help us to solve 37 - 11?
3 + 1 = 4
7 - 3 = 4
Q4.
What is 56 - 31?
27
87
96
Q5.
What is 72 - 21?
50
53
93
4 Questions
Q1.
What number fact will help us to solve 51 + 43?
1 + 4 = 5
10 + 40 = 50
5 + 3 = 8
Q2.
What number fact will help us to solve 69 - 25?
6 - 5 = 1
6 + 2 = 8
9 - 2 = 7
Q3.
What is 45 + 13?
32
55
67
Q4.
Thirty Two add Twenty Seven is equal to _______
Fifty Eight
Fifty Seven
Fifty Two