MathIQO worksheet
Add and subtract whole numbers to 100 · Grade 2 · B2.4
Name: ______________________
Date: ______________________
- 1
What is 33 + 30?
Warm-upAnswer:
- 2
What is 14 + 10?
Warm-upAnswer:
- 3
What is 35 + 10?
Warm-upAnswer:
- 4
What is 23 + 49?
On levelAnswer:
- 5
What is 50 + 27?
On levelAnswer:
- 6
What is 44 + 40?
On levelAnswer:
- 7
What is 66 − 53?
ChallengeAnswer:
- 8
What is 48 − 21?
ChallengeAnswer:
- 9
What is 79 − 54?
ChallengeAnswer:
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Worksheet code: eyJzIjoibnVtYmVyLWFkZC1zdWJ0cmFjdC10by0xMDAiLCJkIjpbMTE5Mjc0NjY5NywxNTAzNjY5MTE4LDE2OTY5MTQzMywzMTE1MTAxMiw2MTYxOTU0MjIsNzk0MDQwODUyLDIyMTQwOTI5MywxOTQ3MjA4NjIwLDE2ODYwODMzODVdLCJ2IjoxfQ.6f0572a1a545
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Answer key · Add and subtract whole numbers to 100
- 1.63 — Add the tens: 33 + 30 = 63.
- 2.24 — Add the tens: 14 + 10 = 24.
- 3.45 — Add the tens: 35 + 10 = 45.
- 4.72 — 23 + 49 = 72.
- 5.77 — 50 + 27 = 77.
- 6.84 — 44 + 40 = 84.
- 7.13 — 66 − 53 = 13.
- 8.27 — 48 − 21 = 27.
- 9.25 — 79 − 54 = 25.