Big Ideas Chapter 1 Review

Rick was doing his math homework.

Rick wrote:

2 + 2 + 2 +2

Which is another way to show what Rick wrote?

• 2 x 4

• 5 x 2

• 2 + 4

• 4x2

Riley has a collection of marbles.  He puts the marbles in 2 equal groups.  There are 6 marbles in each group.  How many marbles does Riley have in all?

• 8
• 36
• 12
• 4

Write a multiplication sentence for the following array.

X X X X X X X

X X X X X X X

• 6 x 2 = 12

• 3 x 7 = 21

• 7 x 2 = 14

• 2 x 7 = 14

Emma has 4 bags in each of his 2 toy chests. Each bag has 5 marbles. How many marbles does she have in all?

• 11

• 40

• 20

• 8

This picture shows...

• 3 x 4 = 16

• 16 x 4 = 4

• 4 x 4 = 16

• 8 x 4 = 16

Which multiplication problem is illustrated in the picture?

• 2 x 10 = 20
• 3 x 6 = 15
• 4 x 6 = 24
• 3 x 5  = 15

6 + 6 + 6 + 6 = 24 is repeated addition for _______

• 5 x 6

• 6 x 6

• 3 x 6

• 4 x 6

There are 6 rows of 3 chairs in the classroom. How many chairs are there total?

• 16
• 15
• 18
• 19

Select the multiplication sentence for the follow example:

• 3 x 8 = 24
• 6 x 5 = 30
• 2 x 9 = 18
• 6 x 3 = 18

Which one goes up and down?

• columns
• rows