
Understanding Highest Common Factor (HCF)

Interactive Video
•
Mathematics
•
5th - 8th Grade
•
Hard
Standards-aligned

Mia Campbell
FREE Resource
Standards-aligned
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the highest common factor (HCF)?
The largest number that divides two numbers
The sum of two numbers
The smallest number that divides two numbers
The difference between two numbers
Tags
CCSS.4.OA.B.4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is a prime number?
9
6
7
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the HCF of 9 and 27?
3
6
12
9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In the factor tree method, what do you do after finding all prime factors?
Add them together
Multiply the common prime factors
Subtract them
Divide them
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the first step in finding the HCF of 24 and 36?
Divide 24 by 36
Create a factor tree for 24
Subtract 36 from 24
Add 24 and 36
Tags
CCSS.4.OA.B.4
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which prime number is a factor of both 24 and 36?
5
7
2
11
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the HCF of 24 and 36?
6
8
10
12
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