To solve this worksheet, we need to find the missing number (the addend) in each equation. The goal is to figure out what number needs to be added to the first number to get the total on the right side.
Let's go through each problem one by one:
Left Column:
1.
3 + ○ = 8
- We know 3 plus some number equals 8.
- To find the missing number, subtract 3 from 8: 8 - 3 = 5.
- So, the missing number is
5.
2.
○ + 2 = 9
- Some number plus 2 equals 9.
- To find the missing number, subtract 2 from 9: 9 - 2 = 7.
- So, the missing number is
7.
3.
5 + ○ = 6
- 5 plus some number equals 6.
- Subtract 5 from 6: 6 - 5 = 1.
- So, the missing number is
1.
4.
1 + ○ = 8
- 1 plus some number equals 8.
- Subtract 1 from 8: 8 - 1 = 7.
- So, the missing number is
7.
5.
○ + 2 = 10
- Some number plus 2 equals 10.
- Subtract 2 from 10: 10 - 2 = 8.
- So, the missing number is
8.
6.
6 + ○ = 7
- 6 plus some number equals 7.
- Subtract 6 from 7: 7 - 6 = 1.
- So, the missing number is
1.
Right Column:
1.
8 + ○ = 10
- 8 plus some number equals 10.
- Subtract 8 from 10: 10 - 8 = 2.
- So, the missing number is
2.
2.
○ + 3 = 6
- Some number plus 3 equals 6.
- Subtract 3 from 6: 6 - 3 = 3.
- So, the missing number is
3.
3.
2 + ○ = 4
- 2 plus some number equals 4.
- Subtract 2 from 4: 4 - 2 = 2.
- So, the missing number is
2.
4.
5 + ○ = 9
- 5 plus some number equals 9.
- Subtract 5 from 9: 9 - 5 = 4.
- So, the missing number is
4.
5.
○ + 4 = 4
- Some number plus 4 equals 4.
- Subtract 4 from 4: 4 - 4 = 0.
- So, the missing number is
0.
6.
7 + ○ = 8
- 7 plus some number equals 8.
- Subtract 7 from 8: 8 - 7 = 1.
- So, the missing number is
1.
Final Answer:
5, 7, 1, 7, 8, 1, 2, 3, 2, 4, 0, 1
Parent Tip: Review the logic above to help your child master the concept of grade 1 maths worksheet pdf.
