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9/7 - Warmup
By NICHOLAS GLAESER
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Last updated over 2 years ago
4 questions
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1
Question 1
1.
What is the value of the underlined digit?
45,
9
82 → __________
7
3,562 → __________
5
23,479 → __________
3.2.A
1
3.4.B
1
3.4.B
1
Question 2
2.
Estimate to the nearest ten.
53 + 28 → __________ + __________ = __________
65 - 14 → __________ - __________ = __________
Question 3
3.
Estimate to the nearest hundred.
621 + 284 → __________ + __________ = __________
635 - 164 → __________ - __________ = __________
Question 4
4.
Solve
15 + 21 = _______ 89 - 15 = _______ 42 + 31 = _______