x Factors, Multiples and Word Problems

A small frog leaps across 3 times as many lily pads as a large frog. The large frog leaps across 12 lily pads. How many lily pads does the small frog leap across?

• 3 x 12 = 24

• 3 + 12 = 15

• 3 x 3 = 9

• 3 x 12 = 36

The Williams boys collect baseball cards from 1987. Orel Hershiser collects 8 baseball cards and Hank Aaron collects 32 baseball cards. How many times more baseball cards does Hank Aaron collect than Orel Hershiser?

• 8 x 4 = 32, so 4 times more

• 8 x 4 = 36, so 4 times more

• 32 x 8 = 246, so 32 times more

• none of the above

Which list has all of the factors of 32?

• 1, 2, 3, 4, 8, 9, 16, 32

• 1, 2, 4, 8, 16, 30

• 1, 2, 4, 6, 8, 9, 16, 32

• 1, 2, 4, 8, 16, 32

Which list has all of the factors of 40?

• 1 × 40, 2 × 20, 4 × 10, 5 × 8, 6 x 7

• 1 × 40, 2 × 20, 4 × 10, 5 × 8

• 1 × 40, 2 × 20, 4 × 9, 5 × 8

• 1 × 40, 2 × 20, 3 × 10, 5 × 7

Which number is a factor of both 24 and 36?

• 8

• 9

• 4

• 7

Which numbers are factors of both 16 and 32?

• 1, 2, 4, 16

• 1, 3, 4, 6

• 1, 2, 4, 8

• 1, 2, 4, 6, 7, 8

Which factor of 16 is missing in this list of numbers?

1, 2, 4, __, 16

• 6

• 12

• 3

• 8

Select the list of numbers that are all multiples of 6.

• 6, 10, 18, 28, 30, 36, 42, 48, 56

• 6, 12, 18, 26, 32, 38, 42, 48, 54

• 6, 12, 18, 24, 30, 36, 42, 48, 54

• 6, 12, 14, 24, 32, 36, 40, 48, 54

Which number is a multiple of both 2 and 4?

• 18

• 20

• 26

• 30

Enter the numbers into the boxes to make four different factor pairs of 48.

• 1 x 48 = 48

  2 x 24 = 48

  4 x 12 = 48

  6 x 8 = 48

• 1 x 48 = 48

  2 x 26 = 48

  4 x 12 = 48

  6 x 8 = 48

• 1 x 48 = 48

  2 x 24 = 48

  4 x 10 = 48

  6 x 8 = 48

• 1 x 48 = 48

  2 x 24 = 48

  4 x 12 = 48

  6 x 9 = 48