Highest Common Factor

Highest Common Factor

8th Grade

10 Qs

quiz-placeholder

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Highest Common Factor

Highest Common Factor

Assessment

Quiz

Mathematics

8th Grade

Practice Problem

Hard

Created by

Aurora Marrocolo

Used 23+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the HCF of 9 and 15

3

2

5

9

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the HCF of 12 and 28

4

3

6

12

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the HCF of 56 and 42

14

7

2

6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the HCF of 27 and 63

9

7

3

11

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Find the HCF of 16 and 64

13

4

9

8

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Find the HCF of 45 and 81

5

9

20

8

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where do you need to start when finding the HCF?

Adding the numbers togheter

Create a factor tree

Multiply the results.

Divide the prime numbers found.

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