3rd Grade Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Practice Set 2 — Answers
Answer sheet with worked solutions for the 3rd Grade place value worksheet.
Success TutoringWorksheetsAnswer sheet3rd Grade · Mathematics · Place Value3rd Grade Ten More, Ten Less (and One More, One Less) Worksheet — Getting Started — Practice Set 2 — Answers
Use place value: ten more or ten less changes the tens digit.
1.One more than 13 is (answer space).
Answer: 14
- 13 + 1 = 14
2.One less than 12 is (answer space).
Answer: 11
- 12 − 1 = 11
3.One more than 15 is (answer space).
Answer: 16
- 15 + 1 = 16
4.One more than 8 is (answer space).
Answer: 9
- 8 + 1 = 9
5.One more than 1 is (answer space).
Answer: 2
- 1 + 1 = 2
6.One less than 5 is (answer space).
Answer: 4
- 5 − 1 = 4
7.One less than 2 is (answer space).
Answer: 1
- 2 − 1 = 1
8.One less than 6 is (answer space).
Answer: 5
- 6 − 1 = 5
9.One less than 13 is (answer space).
Answer: 12
- 13 − 1 = 12
10.One more than 18 is (answer space).
Answer: 19
- 18 + 1 = 19
11.One less than 10 is (answer space).
Answer: 9
- 10 − 1 = 9
12.One less than 17 is (answer space).
Answer: 16
- 17 − 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.