Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 3 — Answers
Answer sheet with worked solutions for the Year 3 place value worksheet.
Success TutoringWorksheetsAnswer sheetYear 3 · Mathematics · Place ValueYear 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — Practice Set 3 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One more than 15 is (answer space).
Answer: 16
- 15 + 1 = 16
2.Ten less than 47 is (answer space).
Answer: 37
- 47 − 10 = 37
3.One less than 34 is (answer space).
Answer: 33
- 34 − 1 = 33
4.One less than 84 is (answer space).
Answer: 83
- 84 − 1 = 83
5.One less than 86 is (answer space).
Answer: 85
- 86 − 1 = 85
6.One more than 84 is (answer space).
Answer: 85
- 84 + 1 = 85
7.Ten less than 24 is (answer space).
Answer: 14
- 24 − 10 = 14
8.One more than 73 is (answer space).
Answer: 74
- 73 + 1 = 74
9.Ten more than 66 is (answer space).
Answer: 76
- 66 + 10 = 76
10.Ten more than 79 is (answer space).
Answer: 89
- 79 + 10 = 89
11.One more than 50 is (answer space).
Answer: 51
- 50 + 1 = 51
12.One more than 74 is (answer space).
Answer: 75
- 74 + 1 = 75
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.