Back to worksheetsMathsAges 4-6
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 more than 18?
1 m · 18 · One more & one less2. What number is 1 more than 5?
1 m · 5 · One more & one less3. What number is 1 less than 14?
1 · 14 · One more & one less4. What number is 1 less than 6?
1 · 6 · One more & one less5. What number is 1 more than 16?
1 m · 16 · One more & one less6. What number is 1 less than 19?
1 · 19 · One more & one less7. What number is 1 more than 17?
1 m · 17 · One more & one less8. What number is 1 more than 10?
1 m · 10 · One more & one less9. What number is 1 more than 6?
1 m · 6 · One more & one less10. What number is 1 more than 13?
1 m · 13 · One more & one less11. What number is 1 less than 10?
1 · 10 · One more & one less12. What number is 1 more than 9?
1 m · 9 · One more & one less
12 questions · Seed 104730 · 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 more than 18?
191 more than 18 is 18 + 1 = 19.
2. What number is 1 more than 5?
61 more than 5 is 5 + 1 = 6.
3. What number is 1 less than 14?
131 less than 14 is 14 − 1 = 13.
4. What number is 1 less than 6?
51 less than 6 is 6 − 1 = 5.
5. What number is 1 more than 16?
171 more than 16 is 16 + 1 = 17.
6. What number is 1 less than 19?
181 less than 19 is 19 − 1 = 18.
7. What number is 1 more than 17?
181 more than 17 is 17 + 1 = 18.
8. What number is 1 more than 10?
111 more than 10 is 10 + 1 = 11.
9. What number is 1 more than 6?
71 more than 6 is 6 + 1 = 7.
10. What number is 1 more than 13?
141 more than 13 is 13 + 1 = 14.
11. What number is 1 less than 10?
91 less than 10 is 10 − 1 = 9.
12. What number is 1 more than 9?
101 more than 9 is 9 + 1 = 10.
12 questions · Seed 104730 · 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 more than 18?
1 m · 18 · One more & one less2. What number is 1 more than 5?
1 m · 5 · One more & one less3. What number is 1 less than 14?
1 · 14 · One more & one less4. What number is 1 less than 6?
1 · 6 · One more & one less5. What number is 1 more than 16?
1 m · 16 · One more & one less6. What number is 1 less than 19?
1 · 19 · One more & one less7. What number is 1 more than 17?
1 m · 17 · One more & one less8. What number is 1 more than 10?
1 m · 10 · One more & one less9. What number is 1 more than 6?
1 m · 6 · One more & one less10. What number is 1 more than 13?
1 m · 13 · One more & one less11. What number is 1 less than 10?
1 · 10 · One more & one less12. What number is 1 more than 9?
1 m · 9 · One more & one less
12 questions · Seed 104730 · 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 more than 18?
191 more than 18 is 18 + 1 = 19.
2. What number is 1 more than 5?
61 more than 5 is 5 + 1 = 6.
3. What number is 1 less than 14?
131 less than 14 is 14 − 1 = 13.
4. What number is 1 less than 6?
51 less than 6 is 6 − 1 = 5.
5. What number is 1 more than 16?
171 more than 16 is 16 + 1 = 17.
6. What number is 1 less than 19?
181 less than 19 is 19 − 1 = 18.
7. What number is 1 more than 17?
181 more than 17 is 17 + 1 = 18.
8. What number is 1 more than 10?
111 more than 10 is 10 + 1 = 11.
9. What number is 1 more than 6?
71 more than 6 is 6 + 1 = 7.
10. What number is 1 more than 13?
141 more than 13 is 13 + 1 = 14.
11. What number is 1 less than 10?
91 less than 10 is 10 − 1 = 9.
12. What number is 1 more than 9?
101 more than 9 is 9 + 1 = 10.
12 questions · Seed 104730 · Age guidance, not curriculum certification