Let's solve the addition problems in the image step by step.
The worksheet titled "Sums" contains a list of addition problems. We'll go through each one:
1.
10 + 10 =
10 + 10 =
20
2.
30 + 30 =
30 + 30 =
60
3.
20 + 20 =
20 + 20 =
40
4.
50 + 50 =
50 + 50 =
100
5.
60 + 60 =
60 + 60 =
120
6.
70 + 70 =
70 + 70 =
140
7.
80 + 80 =
80 + 80 =
160
8.
90 + 90 =
90 + 90 =
180
9.
40 + 40 =
40 + 40 =
80
10.
11 + 11 =
11 + 11 =
22
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Final Answers:
1. 20
2. 60
3. 40
4. 100
5. 120
6. 140
7. 160
8. 180
9. 80
10. 22
These are all simple doubles (adding a number to itself), which is a foundational math skill. The pattern shows that doubling a number gives you twice its value. For example, 10 × 2 = 20, 30 × 2 = 60, and so on.
✔ All answers have been calculated correctly!
Parent Tip: Review the logic above to help your child master the concept of class 1 maths worksheet.
