Factors, Prime and Composite Numbers

Front

Which equation shows that 63 is 9 times as many as 7?

Back

9 x 7 = 63

Front

Corn muffins cost $2 each. Blueberry muffins cost $3 each. Equation for total cost of 8 corn muffins and 7 blueberry muffins? Options: (2 + 3) x (8 + 7) = m, (2 x 3) + (8 x 7) = m, (2 + 8) x (3 + 7) = m, (2 x 8) + (3 x 7) = m

Back

(2 x 8) + (3 x 7) = m

Front

Kiril’s clues about a number are:

• It is an even number
• It is a multiple of 5
• It is less than 28

What number fits all of Kiril's clues? Options: 10, 20

Back

10, 20

Front

During art class last week, Carmen put crayons into cups for her art teacher.

She put exactly 9 crayons into each cup.

Altogether, Carmen put more than 35 crayons, but fewer than 40 crayons, into the cups.

What is the total number of crayons that Carmen put into the cups?

Back

36

Front

Which number is prime? Options: 57, 19, 9

Back

19

Front

Which number is composite? Options: 2, 4, 13

Back

4

Front

Is 6 a factor of 72?

Back

yes

Front

How many factors does 24 have?

Back

8

Front

Which is not a multiple of 4? Options: 220, 466, 396

Back

466

Front

How many times can you count by 6 to get to 72?

Back

12