Math Review

Arrays

100

Use the array to write two different multiplication facts.

X X X X X
X X X X X
X X X X X
X X X X X

5 X 4 = 20

4 X 5 = 20

200

Use the array to write two different multiplication facts.

X X X X X
X X X X X

2 X 5 = 10

5 X 2 = 10

300

Use the array to write two different multiplication facts.

X X X X
X X X X
X X X X
 

4 X 3 = 12

3 X 4 = 12

400

Use the array to write two different multiplication facts.

X X X X X X X
X X X X X X X
X X X X X X X
X X X X X X X

7 X 4 = 28

4 X 7 = 28

500

Use the array to write two different multiplication facts.

X X X X
X X X X
X X X X
X X X X
X X X X
X X X X

6 X 4 = 24

4 X 6 = 24

Groups of

100

2 groups of 8

16

200

9 groups of 5

45

300

3 groups of 7

21

400

4 groups of 6  

24

500

3 groups of 3

 9

Facts

100

4 x 2

8

200

1 x 568

568

300

3 x 4 

12

400

4 x 4 

16

500

8 x 8 

64

Multiplication / Division

100

2 x 1 = 

2

200

___________ x 6 = 36

6

300

2 x _________ = 6

3

400

___________ x 6 = 12

2

500

___ x 9 = 81

9

Multiplication problems

100

Samantha is organizing books into boxes. Each box can hold 10 books. If she has 7 boxes, how many books does she have in total?

Solution: 7 × 10 = 70
Samantha has 70 books in total.

200

There are 4 shelves in a library, and each shelf has 9 books. How many books are there in total?

Solution:
4 shelves × 9 books = 36 books

300

There are 10 packs of stickers, and each pack has 8 stickers. How many stickers do you have altogether?

Solution: 8 × 10 = 80
You have 80 stickers altogether.

400

At a concert, there are 10 rows of chairs. Each row has 6 chairs. How many chairs are there in total?

Solution: 6 × 10 = 60
There are 60 chairs in total.

500

Samantha has 3 baskets of apples. Each basket has 4 apples. How many apples does Samantha have in total?

Solution:
3 baskets × 4 apples = 12 apples