
Operations with Rational Numbers
Authored by Noni Nyamu
Mathematics
7th Grade
CCSS covered
Used 753+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Nancy spent $44.59 on 5.25 quarts of olive oil. What is the cost of one quart of olive oil? Round to the nearest cent.
$8.38 per quart
$8.49 per quart
$8.57 per quart
$8.92 per quart
Tags
CCSS.6.NS.B.3
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Yuuma applied the steps below to find the product of (–10.2)(–16.4).
Step 1: (–10.2)(–16.4) = (–16.4)(–10.2)
Step 2: = (–16.4)(–10) + (–16.4)(–0.2)
Step 3: = ____________
Step 4: = 167.28
Which expression correctly fills in the blank in Step 3?
(–164) + (–3.28)
164 – 3.28
(–164) + 3.28
164 + 3.28
Tags
CCSS.7.NS.A.1D
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The price of a gallon of gasoline dropped by $0.08 on Wednesday and by 0.25 of that amount on Thursday. Which best represents how the price of a gallon of gasoline changed on Thursday?
–0.32
–0.02
0.02
0.32
Tags
CCSS.7.NS.A.3
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the difference of –96.43 – (–98.67)?
–195.1
–2.24
2.24
195.1
Tags
CCSS.7.NS.A.1C
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In the world’s coldest freezer, sodium gas was cooled to a temperature of 78.5°C below zero and then cooled 194.65°C more. What was the new temperature of the sodium gas?
–273.15°C
–272.7°C
–202.5°C
–116.15°C
Tags
CCSS.7.NS.A.1C
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A student has $78 in his checking account. If the student spends $12 on lunch, which number could be combined with the amount left in the account to make zero?
–90
–78
–66
–12
Tags
CCSS.7.NS.A.1B
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the simplified value of the expression below?
-8 * (-3)
-24
-11
11
24
Tags
CCSS.7.NS.A.2A
CCSS.7.NS.A.2B
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