Fast Addition Worksheet – Make 10
The fast method (Make tens): Scan the numbers for pairs that make 10. Count the tens: two pairs make 20, three pairs make 30. Add the numbers that are left.
NameDateTime takenScore ___ / 40
- 1.1 + 8 + 9 + 9 =
- 2.7 + 4 + 6 + 4 + 1 =
- 3.9 + 1 + 2 + 4 + 1 =
- 4.4 + 6 + 6 + 6 + 6 =
- 5.2 + 1 + 9 + 7 + 8 =
- 6.2 + 1 + 9 + 2 + 9 =
- 7.7 + 3 + 7 + 1 =
- 8.9 + 7 + 4 + 7 + 3 =
- 9.6 + 1 + 4 + 1 + 2 =
- 10.7 + 1 + 6 + 3 =
- 11.4 + 2 + 7 + 3 =
- 12.7 + 9 + 2 + 8 =
- 13.1 + 9 + 1 + 9 + 6 =
- 14.7 + 3 + 3 + 8 =
- 15.5 + 8 + 6 + 2 =
- 16.9 + 3 + 1 + 6 + 9 =
- 17.9 + 8 + 1 + 5 =
- 18.2 + 9 + 8 + 1 =
- 19.8 + 2 + 6 + 4 + 6 =
- 20.2 + 5 + 3 + 5 =
- 21.2 + 4 + 1 + 6 =
- 22.3 + 3 + 7 + 6 =
- 23.7 + 3 + 6 + 1 =
- 24.8 + 2 + 2 + 8 =
- 25.8 + 7 + 2 + 4 =
- 26.6 + 5 + 7 + 3 + 2 =
- 27.1 + 6 + 8 + 9 + 7 =
- 28.4 + 5 + 9 + 5 =
- 29.8 + 7 + 4 + 6 + 3 =
- 30.5 + 5 + 9 + 3 =
- 31.9 + 1 + 1 + 3 =
- 32.2 + 9 + 5 + 8 =
- 33.6 + 4 + 6 + 4 =
- 34.4 + 5 + 5 + 6 =
- 35.7 + 6 + 4 + 6 + 8 =
- 36.9 + 7 + 1 + 8 =
- 37.8 + 1 + 2 + 6 =
- 38.6 + 7 + 1 + 3 =
- 39.5 + 6 + 4 + 4 =
- 40.8 + 3 + 2 + 1 + 2 =
Answer key
- 27
- 22
- 17
- 28
- 27
- 23
- 18
- 30
- 14
- 17
- 16
- 26
- 26
- 21
- 21
- 28
- 23
- 20
- 26
- 15
- 13
- 19
- 17
- 20
- 21
- 23
- 31
- 23
- 28
- 22
- 14
- 24
- 20
- 20
- 31
- 25
- 17
- 17
- 19
- 16
Free speed calculation lessons, practice and worksheets at talentjr.in/speed-maths