Math Review

Grouping

100

Draw a group 5 with 4 dots. 

....   ....  ....   ....   ....

200

Draw a group  3 with 6 dots.  Write the equation and what does it equal.

......    ......   ......   3x6=18

300

Adam has 10 quarters.  He places the quarters into 2 equal stacks.  How many quarters are in each stack/group?

..... .....  5

400

Hank has 12 cookies.  He want to put the cookies into boxes so each box has the same number of cookies and no cookies left over.  How many cookies would be in each box if he uses 4 boxes?

... ... ... ... 3 cookies

500

Luke collected 8 sea stars.  Each sea star has 5 arms.  Which expression can be used to find the total number of arms on 8 sea stars?

8x5=

Multiply by 2

100

1x2=

2x2

2x3

2

4

6

200

6x2=

9x2=

12

18

300

What is the multiple equation?

2+2+2+2=8

2x4=8

400

What is the multiple equation?

2+2+2+2+2+2+2+2=16

2x8=16

500

What is the multiple equation?

..  ..  ..  ..  ..  ..  ..  ..  ..  ..

10x2=20

Multiply by 5

100

2x5=

3x5=

5x5=

10

15

25

200

6x5=

8x5=

30

40

300

What is the multiple equation?

5+5+5+5=20

5x4=20

400

What is the multiple equation?

5+5+5+5+5+5+5+5+5+5=50

5x10=50

500

What is the multiple equation?

.....

5x1=5

Arrays

100

Draw an array row of 6 with 3 in each row

18

200

Draw 3 rows of 5

15

300

Tom picked 4 baskets of apples from his orchard.  Each basket has 6 apples in it.  Create an array to represent the apples Tom picked

24

400

What is the equation?

7 rows of 2

7x2=14

500

Sally collected 10 stamps.  She wants to put them in rows of 2.  Draw an array to fit the description. (row of 2 of 5)

2x5=10