Year 1 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 1 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 1 · Mathematics · Place ValueYear 1 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 more than 44 is (answer space).
Answer: 54
- 44 + 10 = 54
2.One more than 19 is (answer space).
Answer: 20
- 19 + 1 = 20
3.Ten less than 77 is (answer space).
Answer: 67
- 77 − 10 = 67
4.Ten less than 18 is (answer space).
Answer: 8
- 18 − 10 = 8
5.One less than 31 is (answer space).
Answer: 30
- 31 − 1 = 30
6.Ten less than 64 is (answer space).
Answer: 54
- 64 − 10 = 54
7.One less than 64 is (answer space).
Answer: 63
- 64 − 1 = 63
8.One more than 35 is (answer space).
Answer: 36
- 35 + 1 = 36
9.One more than 7 is (answer space).
Answer: 8
- 7 + 1 = 8
10.Ten more than 15 is (answer space).
Answer: 25
- 15 + 10 = 25
11.Ten less than 99 is (answer space).
Answer: 89
- 99 − 10 = 89
12.Ten more than 4 is (answer space).
Answer: 14
- 4 + 10 = 14
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.