Chapter 5 Go Math Review

Vocabulary

100

In the problem 4 X 9 = 36, the numbers 4 and 9 are called what?

factors

200

A group of objects arranged in rows and columns

array

300

In the equation 4x5=20, 20 is the _________

product

400

3, 6, 9, 12 is a __________ because it has an order that you can predict

pattern

500

A number sentence that uses the equal sign to show that two amounts are equal

examples: 4+5=9   

                4+5= 6+3

equation 

Patterns and Equations

100

True or False

4 X (2 + 3) = 10 x 2

True

200

True or False

9 x (4+4) = 9 x 6 

False

300

Is the unknown factor 9?

6 x __ = 56

No

400

Is the unknown factor 9?

8 x __ = 72

Yes

500

**DOUBLE JEOPARDY

Describe a pattern for the table and find how many pencils are in 3 and 4 packs.

Packs of Pencils      Number of Pencils

    1                                     8

    2                                   16

    3                              ________  

    4                              _______

Multiply the number of packs by 8

3 packs = 24

4 packs = 32

Unknown Numbers

100

3 x b = 24

8

200

c x 5 = 45

9

300

___ x 4 = 40

10

400

p = 7 x 8

56

500

n x 7 = 21

3

Multiples of 10

100

40 x 3 = ___

120

200

7 x 50 = ____

350

300

60 X 8 = ____

480

400

6 X 70 = ____

420

500

5 x 80 = ____

400