Computation
Fractions
Greatest Common Factor (GCF)
Least Common Multiple (LCM)
Math Vocabulary
100
Add carefully! 385 + 637 = ?
1,022
100

Give an equivalent fraction for 3/4.

Hint: Both numbers are multiplied by the same number!

EX: 3x2/4x2 ----> 6/8

Now give a different answer

Possible answers (there could be others) 6/8; 9/12; 12/15; 15/18; etc.

100
What is the Greatest Common Factor (GCF) of 60 and 30?
30
100
What is the Least Common Multiple of 6 and 10?
60
100
What vocabulary word means the answer to an addition problem?
sum
200
Subtract carefully! 8,014 - 3,916 = ?
4,098
200

Reduce the fraction 18/27 to its simplest form.

Hint! Both numbers have to be divided by the same number to give find the answer

2/3

200
What is the Greatest Common Factor (GCF) of 20 and 35?
5
200
What is the Least Common Multiple of 20 and 4?
20
200
What vocabulary word means the answer to a multiplication problem?
product
300
Multiply carefully! 27 x 8 = ?
216
300
Reduce the fraction 35/40 to its simplest form.
7/8
300
What is the Greatest Common Factor (GCF) of 44 and 33?
11
300
What is the Least Common Multiple of 6 and 8?
24
300
What vocabulary word means the top part of a fraction?
numerator
400

Divide carefully! 168 ÷ 12 = ?

14

400
Give an equivalent fraction for 2/5.
Possible answers (there could be others) 4/10; 6/15; 8/20; 10/25; 12/30; etc.
400
What is the Greatest Common Factor (GCF) of 45 and 63?
9
400
What is the Least Common Multiple of 2,3 and 5?
30
400
What vocabulary word means the answer to a division problem?
quotient
500

Multiply carefully! 16.8 ÷ 1.25 = ?

21

500
Multiply these fractions carefully! be sure to give your answer in simplet form. 3/4 x 2/5 = ?
3/10
500
What is the Greatest Common Factor (GCF) of 48 and 64?
16
500
What is the Least Common Multiple of 2,3, and 9?
18
500
The greatest common factor (GCF) of any two numbers is A) a number that divides evenly into both numbers. B) the largest number that divides evenly into both numbers. C) a number that both numbers will divide into evenly. D) the largest number that both numbers will divide into evenly.
B
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