Fractions
Prime and composite
Adding/subtracting/ dividing fractions
100

When adding and subtracting fractions what is the first step?

LCM/ LCD

100


24, 43, 47, 15

Which two numbers in the box are composite numbers?

15,24

100

what is it 1/3 - 1/2?

1/2

200

When multiplying fractions, what is the first step?

Multiply straight across?

200


Which answer choice is a composite number?\

17,21,29,31

21 is a composite number

200

What is the answer for 1/3+ 2/9?

5/9

300

What are the steps to dividing fractions?

Keep first part, change operation and flip the second part.
300
Which number below is a composite number?

79, 59, 89, 39

39

300

Kyle has one-fifth pound of candy. He put the candy into 3 bags. He put the same amount into each bag. What amount of candy did Kyle put into each bags?

1/15

400

Divide and answer in simplest form: 1/2 รท 4

1/8

400

Which list below only shows prime numbers?

A) 31, 51, 61             B)2, 17, 41
C)2, 18, 67

B)2, 17, 41

400

20 apples are cut into 1/4 portions. How many portions of apples are there?

80

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