Arrays
Equal Expressions
Fill in the Blanks
Distributive
Commutative
100

What is the multiplication equation for this array?

O O O O

O O O O

O O O O

4x3=12  OR 3x4=12

100

2x6 = 2 _________

a. fours

b. sixes

c. threes

2x6 = 2 sixes

b. sixes

100

5 x ___ = 10

5 x 2 = 10

because 2, 4, 6, 8, 10

100

Fill in the missing blank

7x3 = (5x3) + (2x__)

Fill in the missing blank

7x3 = (5x3) + (2x 3)

...because the three stays the same.

100

What movement helps us remember the commutative property?

*Snapping fingers back and forth*

200

What is the multiplication equation for this array?

O O O O O O

O O O O O O

O O O O O O

O O O O O O

6x4=24 OR 4x6=24

200

5 sevens is the same as

a. 4 sevens

b. 5x5

c. 5x7


5 sevens is the same as 5x7

c. 5x7

200

6 x 5 = ____

6 x 5 = 30

because 5, 10, 15, 20, 25, 30

200

Fill in the missing blank

7x3 = (5x3) + (2x3)

7x3 = ____ + 6

7x3 = (5x3) + (2x3)

7x3 = 15 + 6

...because 5, 10, 15

200

3 x 4 = 4 x ____

3 x 4 = 4 x 3

300

What TWO equations represent this array?

O O O O O

O O O O O

2x5=10  AND 5x2=10

300

Which expression is equal to 8 x 4 ?

a. (5x4) + (3x4)
b. (3x2) + (5x2)

8x4 is equal to 

a. (5x4) + (3x4)   

... because 5+3 equals 8, and the 4 stayed the same

300

2x6 = 6x _______

2x6 = 6x 2

300

8x4 = (____ x 4) + (6 x 4) 

8x4 = (2 x 4) + (6 x 4)

...because 2+6=8 and the 4's stay the same

300

7 x 4 = ___ x ____

7 x 4 = 4 x 7

400

Draw an array to show 2x5=10

O O O O O          O O

O O O O O          O O

                         O O

                         O O

                         O O

400

Which expression is equal to 9 x 3 ?

a. (5x4) + (4x4)

b. 6 threes + 3 threes

9x3 is equal to 

b. 6 threes + 3 threes

... because 6+3=9 and the threes stayed the same.

400

3x7 = _____ x3

3x7 = 7x3

400

What's wrong with this equation?

9x4 = ( 5 x 4 ) + ( 4 x 3 )

9x4 = ( 5 x 4 ) + ( 4 x 3 )

The 3 should be a 4 because the 4's stay the same!

400

True or False?

3+3+3+3+3 = 5+5+5

True!

500

Draw an array to solve 4x5=

4x5=20          O O O O O

O O O O         O O O O O

O O O O         O O O O O

O O O O         O O O O O

O O O O

O O O O


500

Which expressions are equal?

a. (4x4) + (2x4)

b. (5x4) + (3x4)

c. 1 four + 5 fours

These expressions are equal?

a. (4x4) + (2x4) ... = 6x4

b. (5x4) + (3x4) ... = 8x4

c. 1 four + 5 fours ... = 6 fours

500

_____ x 8 = 8 x 4

4 x 8 = 8 x 4

500

9x4 = ( 5 x 4) + ( ____ x 4)

9x4 =  20 + _______

9x4 = ________

9x4 = ( 5 x 4) + ( 4 x 4)

9x4 =  20 + 16

9x4 = 36

500

Which two expressions describe this array?

O O O O                  a. 4+4+4

O O O O                  b. 3+3+3+3

O O O O                  c. 3x3

O O O O                  a. 4+4+4

O O O O                  b. 3+3+3+3

O O O O                  c. 3x3

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