6th Grade Math Textbook, Progress

CHAPTER 8

Practice 8-1

Practice 8-2

526

Multiply. Use the GCF whenever possible.

1a.
^34 

^56 

 170 
 b.
 190 
of 80

2a. 3 
^45 
 1 
^78 
 2 
^12 
 b. 5 
^78 
 3 
^14 

Complete. Name the property of multiplication used.

3a.
^37 
n 0 b.
^78 

 190 
n
^78 

4a.
 191 
 1 n

6 b.(
^12 

^13 
) 
^58 

^12 
(n
^58 
)

Write the reciprocal of each number.

5a.
^34 
 b. 8 c. 2 
^13 

Divide.

6a. 10 
^23 
 1 
^19 
 b. 4 
^17 
 2 c.$10  3 
^13 

7a. 7 
^14 
 b. 21 
^78 
 c.
^34 
 6

Compute. Use the order of operations rules.

1a. 6 
^34 

^12 
 b.
^23 

^13 
(9 6)

2a. 9 
^23 

 172 
 b.
^34 

^56 
(2 8)

Use a coin and the spinner for problems 3–4.

3.Make a tree diagram to

list all possible outcomes.

4.Find the probability.

a. P(heads, 6)

b.P(tails, 5)

Use a number cube labeled 1–6 to find the

probability of each event.

5a.P(1 or 3) b.P(7) c.P(1 through 6)

6.A 7
^12 
-ft board is cut into pieces that are 
^56 
ft

long. How many pieces can be cut?

7.The price of cashew nuts is $9.75 for 1
^12 
lb.

What is the price of 1 lb?

Evaluate each expression.

8a. 4 
^78 
t, when t
^45 
 b.n 1 
^23 
, when n 5 
^12 

Solve for n.

9a.n
 190 
 3 b. 6 n 22

10.Jason has saved $80. He spent 
^34 
of it on a

12.new camera. How much did the camera cost?

11.A sofa was on sale for 
^13 
off the regular price

of $360. Find the sale price of the sofa.

12.Lia bought 
^34 
yd of felt. She used 
^56 
of it to

make a banner. How much of the felt did she

use for the banner?

13.Which has the greater product: 3
^12 

^13 
or

10. 6
    ^14
    
    ^45
    ?

8.Bill has 9
^13 
c of blueberries. He is using half of

them to make blueberry tarts. If each tart will

have 
^23 
c of blueberries, how many tarts can

Bill make?

9.In a survey of 36 sixth graders, 16 have braces.

Predict how many wear braces among the

school district’s 720 sixth graders.

10.A card is chosen from a bag containing cards

labeled A, B, C, D, E.Then a second card is

chosen. If the first card is not replaced, find

P(B, D) and P(A, Cor E).

A jar contains 2 red marbles, 4 green marbles,

and 4 white marbles. One marble is drawn at

random. Find the probability.

11a. P(green) b.P(red) c.P(blue)

12a. P(red or white) b.P(notblue)

13.If 6 people want to be seated, in how many

ways can 4 of them be seated on a bench

that seats 4?

14.From 3 girls and 2 boys, how many teams

of 3 can be formed?

1 5

3

8

26

4

7

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