What is the Greatest Common Factor of:

42 and 63

What is the Greatest Common Factor of:

18 and 42

What is the Greatest Common Factor of:

20 and 45

What is the Greatest Common Factor of:

27 and 45

What is the Least Common Multiple of:

8 and 14

What is the Least Common Multiple of:

18 and 30

What is the Least Common Multiple of:

3 and 7

What is the Least Common Multiple of:

6 and 15

Find the value of the power:

53

Find the value of the power:

24

Find the value of the power:

102

Find the value of the power:

92

Find the value of the power:

191

Find the value of the power:

80

Find the value of the power:

18 - 2(3 - 2)

Find the value of the power:

5 + 23 / 4 - 2

The / means divide.

Find the value of the power:

(11 - 3) / 2 + 1

The / means divide.

Find the value of the power:

(52 - 4) * 2 - 18

The * means multiply.

Use GCF or LCM to solve:

You are creating identical picnic baskets using 30 sandwiches and 42 cookies. What is the greatest number of baskets that you can fill using all of the food?

Use GCF or LCM to solve:

You have piano lessons every 4 days and guitar lessons every 6 days. Today you have both lessons. In how many days will you have both lessons again?

Use GCF or LCM to solve:

Two neon signs are turned on at the same time. Both signs blink as they are turned on. One sign blinks every 9 seconds. The other blinks every 15 seconds. In how many seconds will they blink together again?

Use GCF or LCM to solve:

Carly is getting older and feels like she should donate her collection of stuffed animals to children who are less fortunate. She has 10 stuffed cats and 15 stuffed dogs, which she wants to divide into identical groups, with no stuffed animals left over. What is the greatest number of groups Carly can place her stuffed animals into?