Unit 2 – Add and subtract
Let’s Practise 1
5
5
2 3
4 1
2 + 3 = ?
4 + 1 = ?
12 + 3 = ?
14 + 1 = ?
22 + 3 = ?
24 + 1 = ?
52 + 3 = ?
64 + 1 = ?
? + 3 = 75
1 + ? = 75
Explain your method for solving these.
Add 5 to each number.
2
82
34
70
32
61
First there are 21 children in class. Then 2 more arrive. Then 3 more arrive. How many children in the class now?
3
29
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01/12/2021 13:40
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