1st Grade Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 2 — 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 — Practice Set 2 — Answers
Use place value: ten more or ten less changes the tens digit.
1.Ten less than 18 is (answer space).
Answer: 8
- 18 − 10 = 8
2.Ten less than 29 is (answer space).
Answer: 19
- 29 − 10 = 19
3.Ten more than 82 is (answer space).
Answer: 92
- 82 + 10 = 92
4.Ten more than 69 is (answer space).
Answer: 79
- 69 + 10 = 79
5.One more than 12 is (answer space).
Answer: 13
- 12 + 1 = 13
6.Ten more than 34 is (answer space).
Answer: 44
- 34 + 10 = 44
7.Ten less than 47 is (answer space).
Answer: 37
- 47 − 10 = 37
8.One more than 46 is (answer space).
Answer: 47
- 46 + 1 = 47
9.One less than 32 is (answer space).
Answer: 31
- 32 − 1 = 31
10.One less than 4 is (answer space).
Answer: 3
- 4 − 1 = 3
11.Ten less than 89 is (answer space).
Answer: 79
- 89 − 10 = 79
12.One more than 15 is (answer space).
Answer: 16
- 15 + 1 = 16
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.