Name:____________________________
7th Grade Math
NP #39
Weekly Homework September 19-23, 2016
Write Neatly. Organize and Show all Work. NO Work, No CREDIT
(1.) Add:
-15 + 17 =
(5.) Subtract:
13 – (-2) =
(9.) Multiply:
-19 x 4 =
(13.) Divide:
42 ÷ -6 =
(2.) Add:
-14 + (-56) =
(6.) Subtract:
-12 – 15 =
(10.) Multiply:
- 46 x -9 =
(14.) Divide:
-28 ÷ -7 =
(3.) Add:
(-9.1) + 7.2 =
(7.) Subtract:
1.2 - (-5.4) =
(11.) Multiply:
-1.2 x -6
(15.) Divide:
-83.23 ÷ -4.7 =
4)Add:
(8.) Subtract: Use KCC
(12.) Multiply:
(16.) Divide: use KCF

3
1

4
5
3
8
1
− (− ) =
5
2 9


3 11
−
3 5
÷ =
9 6
SHOW YOUR WORK
17. A mermaid is swimming at sea level when a human comes by. She dives underwater at a rate
of 8 meters per second. She continues to descend for 20 seconds. What depth is she now?
5
2
18. Jim is running on a trail that is 4 of a mile long. So far he has run 3 of the trail. How many
miles has he run so far?
19. In May, Jim’s lunch account has a balance of $58.19. If lunch costs $2.74 per day,
how many days will Jim be able to buy lunch before his account runs out of money?
20. What is the difference between the high and low temp in the thermometer?
21. Darren bought an apple for $0.85, a sandwich for $4.50, and a bottle of water
for $1.50. How much did Darren spend?
22. Alex borrowed $12.50 from his friend Danny. He paid him back $8.75. How
much does he still owe?