Ten more, ten less
Grade 1 · Level 1 · Sheet 1the answers
Free from tutor.in4me.app · 1.NBT.C.5, 1.NBT.A.1 · Five minutes a day online, and the difficulty follows your child.
- 1.Answer:
What is 10 more than 69?
69 - 2.Answer:
What is 10 more than 41?
41 - 3.Answer:
What is 10 more than 59?
59 - 4.Answer:
What is 10 more than 23?
23 - 5.Answer:
What is 10 more than 50?
50 - 6.Answer:
What is 10 more than 31?
31 - 7.Answer:
What is 10 more than 62?
62 - 8.Answer:
What is 10 more than 46?
46 - 9.Answer:
What is 10 more than 24?
24 - 10.Answer:
What is 10 more than 76?
76 - 11.Answer:
What is 10 more than 45?
45 - 12.Answer:
What is 10 more than 79?
79
Show the answer key
- 1.79
- 2.51
- 3.69
- 4.33
- 5.60
- 6.41
- 7.72
- 8.56
- 9.34
- 10.86
- 11.55
- 12.89
Answer key · Ten more, ten less · Level 1 · Sheet 1
- 1.79
- 2.51
- 3.69
- 4.33
- 5.60
- 6.41
- 7.72
- 8.56
- 9.34
- 10.86
- 11.55
- 12.89
The mistakes behind most wrong answers
A wrong answer in ten more, ten less is rarely random. These are the ones that come up most often, each on a real problem — worth knowing before you mark a sheet, because the fix for each is different.
What is 10 more than 71?
71The answer is 81. A child who answers 72 probably lost track of the ten.
What is 10 more than 21?
21The answer is 31. A child who answers 21 probably started counting from the wrong number.
What is 10 more than 33?
33The answer is 43. A child who answers 23 probably took away instead of adding.
What is 10 less than 92?
92The answer is 82. A child who answers 102 probably added instead of taking away.
In the app, every wrong answer is matched against mistakes like these, and the weekly email tells you which one your child keeps making — in those words, not as a percentage.