Math Skills Challenge for Grade 5

Is 12 prime or composite?

• prime

• composite

What makes a number a composite number?

• It only has 2 factors 1 and itself.

• It is an even number.
  It is an odd number.

• Is is an odd number.

• It has more than two factors.

A rectangular tank has a length of 10 meters, a width of 4 meters, and a height of 3 meters. What is the volume of the tank in cubic meters?

• 120

• 140

• 100

• 80

Which of the following numbers is a prime number?

• 21

• 29

• 35

• 49

Which of the following numbers is a composite number?

• 13

• 17

• 19

• 20

A swimming pool is 25 meters long, 10 meters wide, and 2 meters deep. What is the volume of the swimming pool in cubic meters?

• 500

• 450

• 400

• 350

If you have a cube with a side length of 5 cm, what is its volume in cubic centimeters?

• 100

• 125

• 150

• 175

Solve the following word problem: Sarah has 3 bags of apples. Each bag contains 12 apples. If she gives away 10 apples, how many apples does she have left?

• 26

• 30

• 36

• 38

Which of the following numbers is a prime number?

• 33

• 37

• 39

• 45

Which of the following numbers is a composite number?

• 23

• 31

• 44

• 47