Worked example
What is 8 + 5?
Answer & why
Answer: 13
8 + 2 makes 10; 3 more makes 13.
Grade 1 · Math
Add within twenty
Add one-digit and teen numbers with a total at most twenty.
8 generated examples + worked example
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Try these examples
8 reproducible examples from this math generator. Choose New examples for another set.
Question 1
What is 4 + 2?
- 6
- 5
- 8
- 9
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 6
4 + 2 = 6. Combine both quantities.
Question 2
What is 14 + 4?
- 17
- 22
- 16
- 18
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 18
14 + 4 = 18. Combine both quantities.
Question 3
What is 2 + 2?
- 4
- 6
- 5
- 8
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 4
2 + 2 = 4. Combine both quantities.
Question 4
What is 4 + 8?
- 16
- 14
- 13
- 12
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 12
4 + 8 = 12. Combine both quantities.
Question 5
What is 11 + 7?
- 20
- 22
- 16
- 18
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 18
11 + 7 = 18. Combine both quantities.
Question 6
What is 14 + 2?
- 20
- 18
- 16
- 14
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 16
14 + 2 = 16. Combine both quantities.
Question 7
What is 10 + 4?
- 14
- 15
- 12
- 18
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 14
10 + 4 = 14. Combine both quantities.
Question 8
What is 11 + 3?
- 14
- 18
- 13
- 16
A hint
Use place value or a known fact; estimate before choosing.
Answer & why
Answer: 14
11 + 3 = 14. Combine both quantities.