7th Grade – The Number System Study Guide
1 - Item #80453B
Tracy has
5
2
17 6 cups of flour in a container. She uses 6 6 cups of flour to make a loaf of bread. How much flour does
Tracy have left in the container?
2 - Item #7238B
Zion bought seven packs of crayons for $22.75. What is the cost of a pack of crayons, in dollars, if all the packs cost the
same?
3 - Item #19361B
Which number-line model represents the sum of 0.50 + (−1.25)?
a.
b.
c.
d.
4 - Item #1560B
Enter the decimal equivalent of
8
.
20
5 - Item #27619B
Is the given expression equal to
Yes
6(1.25𝑏 − 5.25)?
No
7.5 − 31.5𝑏
31.5 − 7.5𝑏
7.5𝑏 − 31.5
6 - Item #7244B
Kasey spilled
7
10
of water from a 5-gallon jug while carrying it up the stairs. How much water, in gallons, is still left in the
jug?
7 - Item # 19527B
Select all the expressions that show the distance between points A and B.
o
o
o
o
7 − (−2)
−2 + 7
|7| + | − 2|
7−2
8 - Item #798B
Enter the value of
3
5
− (− ) − 3.
5
8
9 - Item #7224B
The number line shows the yards gained or lost by a team during a football game.
Enter the difference, in yards, between the first and fourth down.
10 - Item # 22437B
Which number-line model represents the sum
1
4
a.
b.
c.
d.
11 – Interim #12071B Calculator
Enter the number that makes the equation true.
0.13 −
53
100
=
100
−
53
100
+ (−1.25)?
12 – Item #90120B Calculator
The number line shows a set of operations.
Select the expression that represents the operations shown on the number line.
a.
b.
c.
d.
6𝑔 − 5𝑔 + 𝑔
6𝑔 + 15𝑔 + 3𝑔
6𝑔 − 5𝑔 + 3𝑔
6𝑔 − 15𝑔 + 3𝑔
13 – Item #10188B Calculator
At a farm, three employees harvest 96 pounds of food over a certain number of hours. Each employee works the number
of hours shown.
Employee A: 3 hours
Employee B: 4 hours
Employee C: 5 hours
The number of pounds of food harvested by each employee is proportional to the number of hours worked. Fill in the table
with the amount of food, in pounds, each employee harvested.
Employee
A
B
C
Pounds of Food Harvested
14 – Item #13850B Calculator
Kasey added two integers.
Which condition will always give Kasey a positive solution when she adds two integers?
a.
b.
c.
d.
One integer has a positive value, and one integer has a negative value.
The value of the two integers are opposites.
Both integers have positive values.
Both integers have negative values.