6th Grade Math Textbook, Progress

CHAPTER 7

Practice 7-1

Practice 7-2

525

Add or subtract. Write each answer in simplest

form.

1a.
^59 

^49 
 b.
^78 

^58 
 c. 
^1116 

 156 

2a.
^78 

^34 
 b.
^13 

^56 
 c. 
 190 

^12 

3a.(
 134 

 134 
) 
^67 
 b.
 172 

^14 

Estimate the sum or difference.

4a.
^57 

 190 
 b.
 196 

^17 
 c. 
^1112 

^59 

5a. 9 
^23 
 3 
^18 
 b. 7 
^15 
 7 
^56 
 c. 19 
^19 
 9 
^78 

6a. 12 
^15 
 7 
^23 
 b. 41 
^12 
 19 
^57 
 c. 10 
^13 
 3 
^34 

Compute. Use the addition properties.

7a. 1 
^23 
(
^16 

^16 
) b. 3 
^12 
 5  2 
^14 

8a.
 190 
(
^15 

^25 
) b. 2 
^14 
 2 
^13 

^14 

0 9. How much is 
^16 
increased by 
^14 
?

10.Find the sum of 
^17 
, 
 241 
, and 
^23 
.

11.Anita is a runner on the school track team.

12.Upon reaching the 
^78 
-mi marker of the 1
^12 
-mi

12.track, how much farther must she run to get to

the end of the track?

12.The sum of nand 1
^34 
is 4. Find the value of n.

13.Ethan spent 1
^78 
h working on a model airplane.

12.Then he spent 2
^16 
h raking leaves. About how

12.much time did Ethan spend on those two

activities?

14.From the sum of 
 170 
and 
^35 
, subtract 
^23 
.

Add or subtract. Write each answer in simplest

form.

1a.  2 
^23 
 b.  6 
^58 
 c.  12 
^16 


1a.  3 
^15 
 b.  3 
^12 
 c.  08 
^45 

2a.  3 
^34 
 b.  9 
^13 
 c.  11

1a.  1 
^12 
 b.  6 
^12 
 c.  08 
^37 

3a.  7 
^47 
 b.  4 c.  8 
^13 


1a.  5 
^56 
 b.  2 
^23 
 c.  5 
^34 

Evaluate each expression.

4a.ab 4 
^12 
^11 , when a 3 
^17 
and b  5 
^23 

4b.x y, when x16 and y 3 
^56 

Solve and check.

5a.c
^23 

^1112 
 b.t 2 
^13 
 5 
^13 

6a.q
^35 

 115 
 b.m 3 
^25 
 7

0 7. Add 2
^56 
to the difference between 5 and 2
 172 
.

0 8. A team practiced 2
^12 
h before lunch and

12.then 1
^34 
h after lunch. What is the total time

it practiced?

0 9. A recipe calls for 3
^13 
c of white flour, 1
^14 
c

12.of whole wheat flour, and 
^12 
c of rice flour.

12.Find the total amount of flour in the recipe.

10.Jeannette has three jump ropes: 6
^12 
ft, 9
^23 
ft,

12.and 7
^18 
ft. Estimate the total length.

11.On Monday, a certain stock opened at

12. 67
    ^18
    points. By Friday its value was 80
    12.points. Find its increase in value.

12.Ted weighed 145
^12 
lb. After 2 months of

12.dieting, he weighed 136
^13 
lb. How much

weight did he lose?

13.Mary needs 6
^25 
yd of ribbon. She has 4
^34 
yd.

How much more ribbon does she need?

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