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One more & one less
Find the number that is 1, 2 or 10 more or less than a given whole number. Review suitability for your learners before teaching.
Worksheet StudioPractice pack · Ages 4-6
One more & one less
Take your time. Show your thinking.
1. What number is 1 less than 5?
1 · 5 · One more & one less2. What number is 1 more than 9?
1 m · 9 · One more & one less3. What number is 1 less than 10?
1 · 10 · One more & one less4. What number is 1 less than 2?
1 · 2 · One more & one less5. What number is 1 less than 3?
1 · 3 · One more & one less6. What number is 1 less than 13?
1 · 13 · One more & one less7. What number is 1 more than 7?
1 m · 7 · One more & one less8. What number is 1 less than 15?
1 · 15 · One more & one less9. What number is 1 more than 6?
1 m · 6 · One more & one less10. What number is 1 more than 11?
1 m · 11 · One more & one less11. What number is 1 more than 5?
1 m · 5 · One more & one less12. What number is 1 less than 17?
1 · 17 · One more & one less
12 questions · Seed 104732 · Age guidance, not curriculum certification
View the answer key
Worksheet StudioAnswer key · Ages 4-6
One more & one less
Answers and reasoning. Review before teaching.
1. What number is 1 less than 5?
41 less than 5 is 5 − 1 = 4.
2. What number is 1 more than 9?
101 more than 9 is 9 + 1 = 10.
3. What number is 1 less than 10?
91 less than 10 is 10 − 1 = 9.
4. What number is 1 less than 2?
11 less than 2 is 2 − 1 = 1.
5. What number is 1 less than 3?
21 less than 3 is 3 − 1 = 2.
6. What number is 1 less than 13?
121 less than 13 is 13 − 1 = 12.
7. What number is 1 more than 7?
81 more than 7 is 7 + 1 = 8.
8. What number is 1 less than 15?
141 less than 15 is 15 − 1 = 14.
9. What number is 1 more than 6?
71 more than 6 is 6 + 1 = 7.
10. What number is 1 more than 11?
121 more than 11 is 11 + 1 = 12.
11. What number is 1 more than 5?
61 more than 5 is 5 + 1 = 6.
12. What number is 1 less than 17?
161 less than 17 is 17 − 1 = 16.
12 questions · Seed 104732 · Age guidance, not curriculum certification
Worksheet StudioPractice pack · Ages 4-6
One more & one less
Take your time. Show your thinking.
1. What number is 1 less than 5?
1 · 5 · One more & one less2. What number is 1 more than 9?
1 m · 9 · One more & one less3. What number is 1 less than 10?
1 · 10 · One more & one less4. What number is 1 less than 2?
1 · 2 · One more & one less5. What number is 1 less than 3?
1 · 3 · One more & one less6. What number is 1 less than 13?
1 · 13 · One more & one less7. What number is 1 more than 7?
1 m · 7 · One more & one less8. What number is 1 less than 15?
1 · 15 · One more & one less9. What number is 1 more than 6?
1 m · 6 · One more & one less10. What number is 1 more than 11?
1 m · 11 · One more & one less11. What number is 1 more than 5?
1 m · 5 · One more & one less12. What number is 1 less than 17?
1 · 17 · One more & one less
12 questions · Seed 104732 · Age guidance, not curriculum certification
Worksheet StudioAnswer key · Ages 4-6
One more & one less
Answers and reasoning. Review before teaching.
1. What number is 1 less than 5?
41 less than 5 is 5 − 1 = 4.
2. What number is 1 more than 9?
101 more than 9 is 9 + 1 = 10.
3. What number is 1 less than 10?
91 less than 10 is 10 − 1 = 9.
4. What number is 1 less than 2?
11 less than 2 is 2 − 1 = 1.
5. What number is 1 less than 3?
21 less than 3 is 3 − 1 = 2.
6. What number is 1 less than 13?
121 less than 13 is 13 − 1 = 12.
7. What number is 1 more than 7?
81 more than 7 is 7 + 1 = 8.
8. What number is 1 less than 15?
141 less than 15 is 15 − 1 = 14.
9. What number is 1 more than 6?
71 more than 6 is 6 + 1 = 7.
10. What number is 1 more than 11?
121 more than 11 is 11 + 1 = 12.
11. What number is 1 more than 5?
61 more than 5 is 5 + 1 = 6.
12. What number is 1 less than 17?
161 less than 17 is 17 − 1 = 16.
12 questions · Seed 104732 · Age guidance, not curriculum certification