Simple Multiplication Models and Facts

Mr. Moore wants to show his class that if  the order of the factors is changed,  the product is still the same.  Which set of facts can Mr. Moore use as an example?

• 5 × 4 = 20
  2 × 10 = 20

• 3 × 9 = 27
  4 × 9 = 36

• 7 × 8 = 56
  8 × 7 = 56

This array represents 4 x 5.  Which number sentence using repeated addition matches this array?

• 4+4+4+4=16

• 5+5+5+5+5=25

• 4+4+4+4+4=20

• 5+5+5+5=20

What is the multiplication sentence for this number line?

• 5 x 2 = 10

• 2 x 5 = 10

What multiplication fact does this show?

• 2 x 5 = 10

• 3 x 4 = 12

• 3 x 3 = 9

• 3 x 1 = 3

10 x 10 =

• 100

• 20

• 1,000

764 x 32

2 x 8 = 

• 10

• 16

• 14

• 17

10 x 6 = 

• 16

• 60

• 600

9 x 8 =

• 12 x 2

• 8 + 9

• 17

• 8 x 9

452 x 1000 = _____