Estimation and Number Theory
Mathematics
4th - 5th Grade
CCSS covered
Used 72+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which is the closest estimate of
78 x 31?
70 x 30
70 x 40
80 x 30
80 x 40
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the estimated quotient of
718 ÷ 6?
72
80
90
120
Tags
CCSS.5.NBT.B.7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which statement is incorrect?
6 is a common factor of 18 and 78.
13 is a common factor of 39 and 65.
3 is a common factor of 13 and 19.
2 is a common factor o 26 and 62
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the sum of the first two multiples of 8?
8
16
24
32
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which pair of these numbers has 20 as a common factor?
10 and 20
20 and 40
2 and 6
2 and 3
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Which pair of these numbers has 15 as a common factor?
10 and 20
5 and 10
15 and 30
7 and 3
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Find the product of
489 x 7.
3,423
2,434
3,433
3,432
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