Name: ___________________________________ Date: _____________ Period: _______
Math 7 Study Guide Test Date: Thursday, December 11, 2014
* What are the rules for Multiplying and Dividing rational numbers?
* What is the Order of Operations? Write them below to help you study!
!
!
!
!
!
!
Multiplying Rational Numbers
Problem
1. Evaluate:
-215 • -1
2. The speed of a car dropped
15.75 mph every hour for 3
hours. What is the total
number of dropped speed
in the 6 hours?
!
3. The temperature during the
day was dropping 2 ¼
degrees every hour. How
many degrees did the
temperature drop after 8 ½
hours? 4. Evaluate:
!
(2.9) (-7.3)
!
!
5. Each of a football team's 3
plays resulted in a loss of 5
yards. How many yards in
total did they lose in the 3
plays?
Work Space
Name: ___________________________________ Date: _____________ Period: _______
Problem
Work Space
6. What is the area of a
triangle with a base length of
2 ½ inches and a height of 2
inches?
(A=½bh)
7. Evaluate:
!
!
!
Dividing Rational Number
Problem
Work Space
8. Evaluate:
!
-4 ¾ ÷ 2
!
!
9. Evaluate:
!
-73197647.631 ÷ 0
10. The price of one share at
Apple declined $55.25 in 5
days. How much did the price
of one share decline, on
average, per day?
11. Yvette went to the grocery
store. She bought 7 ½ ounces
of sugar. She is splitting them
into ¼ ounce packages. How
many packages can she make?
Name: ___________________________________ Date: _____________ Period: _______
Problem
Work Space
12. Explain why ZERO cannot
be a divisor. (In other words:
Why can you not divide a
rational number by zero?).
Defend your response!
13. How many
pound
packages can you make with
10 pounds of sunflower seeds?
14. Evaluate:
!
!
!
15. Evaluate:
!
!
!
Order of Operations
Problem
16. Evaluate:
!
13.5 - 3.5 + (-5)(2)
!
!
17. Evaluate:
!
(-12 + 9) + ( ½ + ¾ ) -7
!
!
!
!
!
Work Space
Name: ___________________________________ Date: _____________ Period: _______
Problem
Work Space
18. Sally’s savings account
balance was $45.80. Sally
made 3 withdrawals from her
savings account of $5.15.
What is her current balance?
19. The table gives the daily
high temperatures for one
week during the winter. Find
the average daily high
temperature for the week.
Round your answer to the
nearest tenth.
!
20. Carol had a chocolate bar.
She ate one-half of the bar at
lunch time. Her friend, Sara
ate one-half of what was left
and a third friend, Ted ate
one-half of what was left.
How much of the whole candy
bar did Ted eat?
!
(Draw a diagram and explain
your process)
!
Review your notes!
Review your quiz!
Review your rules for adding, subtracting, multiplying, and dividing rational numbers!
Come to class with questions :)