Math 1A Singapore-Addition With Number Bonds-Chapter 3.2
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10 January
Addition With Number Bonds
First, follow the below addition with number bonds:
🐒.🐒➕ 🐒.🐒.🐒.🐒.🐒.🐒
6 + 2 = 8
↗ 6
8
↘ 2
2 + 6 = 8
↗ 2
8
🐒.🐒.🐒.🐒.🐒➕ 🐒.🐒.🐒
5 + 3 = 8
↗ 5
8
↘ 3
3 + 5 = 8
↗ 3
8
↘ 5
🐒.🐒.🐒.🐒➕ 🐒.🐒.🐒.🐒
4 + 4 = 8
↗ 4
8
↘ 4
🐒.🐒.🐒.🐒.🐒.🐒.🐒➕ 🐒
7 + 1 = 8
↗ 7
8
↘ 1
1 + 7 = 8
↗ 1
8
↘ 7
🐒.🐒.🐒.🐒.🐒.🐒.🐒.🐒….
8 + 0 = 8
↗ 8
8
↘ 0
0 + 8 = 8
↗ 0
8
↘ 8
1. How many birds are
there altogether?
🐦🐦🐦🐦🐦🐦 🐦🐦
Solution:
6 + 2 = 8
↗ 6
8
↘ 2
There are 8
birds altogether.
2. How many robots do
they have altogether?
🤖🤖🤖🤖 🤖🤖🤖
Solution:
4 + 3 = 7
↗ 4
7
↘ 3
There have 7
robots altogether.
3. Complete the number
sentences.
(a)
3 + 3 = 🟦
(b)
7 + 3 = 🟦
Solution:
(a)
3 + 3 = 6
[Explanation:
↗ 3
?
↘ 3
🦋🦋🦋 🦋🦋🦋
1 2 3 5 6 7
Count all butterflies and you will
get 7. So the result is 7]
(b)
7 + 3 = 10
[Explanation:
↗ 7
?
↘
3
🦋🦋🦋🦋🦋🦋🦋 🦋🦋
🦋
1 2 3 4 5 6 7 8 9 10
Count all butterflies and you will
get 10. So the result is 10]