MathIQO worksheet
Add and subtract whole numbers to 100 · Grade 2 · B2.4
Name: ______________________
Date: ______________________
- 1
What is 50 + 20?
Warm-upAnswer:
- 2
What is 46 + 20?
Warm-upAnswer:
- 3
What is 47 + 30?
Warm-upAnswer:
- 4
What is 40 + 25?
On levelAnswer:
- 5
What is 28 + 14?
On levelAnswer:
- 6
What is 41 + 47?
On levelAnswer:
- 7
What is 85 − 53?
ChallengeAnswer:
- 8
What is 55 − 45?
ChallengeAnswer:
- 9
What is 97 − 32?
ChallengeAnswer:
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Worksheet code: eyJzIjoibnVtYmVyLWFkZC1zdWJ0cmFjdC10by0xMDAiLCJkIjpbMTg4Mjk2MjEzMiwxMDE0NzE0NzAxLDk3ODk1MTQwMywxNTg3MzU4NjQwLDE5NjIyNzc5MTksMTA0NTI3MDMxMSw3MzA5MTYyODksNjMwODY4OTIsMTkxODM2MzU3MV0sInYiOjF9.ae969e1b091c
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Answer key · Add and subtract whole numbers to 100
- 1.70 — Add the tens: 50 + 20 = 70.
- 2.66 — Add the tens: 46 + 20 = 66.
- 3.77 — Add the tens: 47 + 30 = 77.
- 4.65 — 40 + 25 = 65.
- 5.42 — 28 + 14 = 42.
- 6.88 — 41 + 47 = 88.
- 7.32 — 85 − 53 = 32.
- 8.10 — 55 − 45 = 10.
- 9.65 — 97 − 32 = 65.