1st Grade Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Answers
Answer sheet with worked solutions for the 1st Grade place value worksheet.
Success TutoringWorksheetsAnswer sheet1st Grade · Mathematics · Place Value1st Grade Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One less than 89 is (answer space).
Answer: 88
- 89 − 1 = 88
2.Ten more than 49 is (answer space).
Answer: 59
- 49 + 10 = 59
3.Ten less than 73 is (answer space).
Answer: 63
- 73 − 10 = 63
4.Ten more than 58 is (answer space).
Answer: 68
- 58 + 10 = 68
5.One less than 79 is (answer space).
Answer: 78
- 79 − 1 = 78
6.One more than 24 is (answer space).
Answer: 25
- 24 + 1 = 25
7.Ten less than 76 is (answer space).
Answer: 66
- 76 − 10 = 66
8.Ten more than 14 is (answer space).
Answer: 24
- 14 + 10 = 24
9.Ten more than 62 is (answer space).
Answer: 72
- 62 + 10 = 72
10.Ten less than 53 is (answer space).
Answer: 43
- 53 − 10 = 43
11.Ten more than 3 is (answer space).
Answer: 13
- 3 + 10 = 13
12.One more than 17 is (answer space).
Answer: 18
- 17 + 1 = 18
Marking tips
- Give credit for correct method even when the final answer slips — the working shows where the thinking went right.
- For open-ended tasks, use the success criteria as a checklist rather than looking for one "right" answer.
- Celebrate what went well first, then pick one thing to work on next.