Year 4 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 2 — Answers
Answer sheet with worked solutions for the Year 4 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 4 · Mathematics · Place ValueYear 4 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 84 is (answer space).
Answer: 94
- 84 + 10 = 94
2.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
3.Ten less than 80 is (answer space).
Answer: 70
- 80 − 10 = 70
4.Ten more than 70 is (answer space).
Answer: 80
- 70 + 10 = 80
5.One less than 31 is (answer space).
Answer: 30
- 31 − 1 = 30
6.Ten more than 24 is (answer space).
Answer: 34
- 24 + 10 = 34
7.Ten more than 6 is (answer space).
Answer: 16
- 6 + 10 = 16
8.Ten less than 63 is (answer space).
Answer: 53
- 63 − 10 = 53
9.Ten less than 37 is (answer space).
Answer: 27
- 37 − 10 = 27
10.One less than 50 is (answer space).
Answer: 49
- 50 − 1 = 49
11.Ten more than 41 is (answer space).
Answer: 51
- 41 + 10 = 51
12.One less than 86 is (answer space).
Answer: 85
- 86 − 1 = 85
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.