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Mathematics

4th - 5th Grade

CCSS covered

Used 72+ times

Estimation and Number Theory
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10 questions

Show all answers

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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