Year 3 Ten More, Ten Less (and One More, One Less) Worksheet — Level 1 — 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 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One less than 14 is (answer space).
Answer: 13
- 14 − 1 = 13
2.One less than 78 is (answer space).
Answer: 77
- 78 − 1 = 77
3.Ten more than 30 is (answer space).
Answer: 40
- 30 + 10 = 40
4.Ten less than 93 is (answer space).
Answer: 83
- 93 − 10 = 83
5.One more than 1 is (answer space).
Answer: 2
- 1 + 1 = 2
6.Ten less than 28 is (answer space).
Answer: 18
- 28 − 10 = 18
7.Ten more than 6 is (answer space).
Answer: 16
- 6 + 10 = 16
8.One less than 25 is (answer space).
Answer: 24
- 25 − 1 = 24
9.One more than 34 is (answer space).
Answer: 35
- 34 + 1 = 35
10.Ten less than 43 is (answer space).
Answer: 33
- 43 − 10 = 33
11.Ten less than 78 is (answer space).
Answer: 68
- 78 − 10 = 68
12.One less than 57 is (answer space).
Answer: 56
- 57 − 1 = 56
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.