MathIQO worksheet
Add and subtract whole numbers to 100 · Grade 2 · B2.4
Name: ______________________
Date: ______________________
- 1
What is 28 + 30?
Warm-upAnswer:
- 2
What is 13 + 30?
Warm-upAnswer:
- 3
What is 47 + 30?
Warm-upAnswer:
- 4
What is 15 + 44?
On levelAnswer:
- 5
What is 46 + 26?
On levelAnswer:
- 6
What is 36 + 47?
On levelAnswer:
- 7
What is 84 − 61?
ChallengeAnswer:
- 8
What is 68 − 57?
ChallengeAnswer:
- 9
What is 93 − 77?
ChallengeAnswer:
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Worksheet code: eyJzIjoibnVtYmVyLWFkZC1zdWJ0cmFjdC10by0xMDAiLCJkIjpbMTE2MzQxMjE5MSwxMjU3MzcwODYyLDExNDA2NDQwMiwzNTg0ODU0MjYsNjc4MzE3MTc1LDM1MzQ4MTgwOCw0MTk4MDkzNTIsMTkyNjgwMDM4MCwxMjUyNTg5NjldLCJ2IjoxfQ.a47241849a3e
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Answer key · Add and subtract whole numbers to 100
- 1.58 — Add the tens: 28 + 30 = 58.
- 2.43 — Add the tens: 13 + 30 = 43.
- 3.77 — Add the tens: 47 + 30 = 77.
- 4.59 — 15 + 44 = 59.
- 5.72 — 46 + 26 = 72.
- 6.83 — 36 + 47 = 83.
- 7.23 — 84 − 61 = 23.
- 8.11 — 68 − 57 = 11.
- 9.16 — 93 − 77 = 16.