
Unit 3 Review: Multiply and Divide Rational Numbers
Authored by Kelsey Barrett
Mathematics
7th Grade
CCSS covered
Used 13+ times

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11 questions
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1.
MATCH QUESTION
10 mins • 5 pts
Match each word with its definition.
Expression
A group of numbers, variables, and/or operation symbols that represent a mathematical relationship.
Equation
To put something into a place for safe keeping. A bank deposit is money put into a bank account
Withdrawal
A mathematical statement that uses an equal sign (=) to show that two expressions have the same value
Deposit
The act of taking something away
Round
To approximate the value of a number by finding the nearest ten, hundred, or other place value
2.
MATCH QUESTION
10 mins • 5 pts
Match each word with its definition.
Dividend
The result of multiplication
Fraction
A number that names equal parts of a whole. Names a point on the number line and can also represent the division of two numbers
Divisor
The result of division
Quotient
The number by which another number is divided
Product
The number that is divided by another number
3.
MATCH QUESTION
10 mins • 4 pts
Match each word with its definition.
Terminating Decimals
Decimals that repeat the same digit or sequence of digits forever. It can be written with a bar over the repeating digits.
Opposite Numbers
Numbers that are the same distance from 0 on the number line but in opposite directions. These numbers have the same numeral, but opposite signs. Also called the additive inverse of that number.
Rational Number
A number that can be expressed as the fraction a/b where a and b are integers and b does not equal 0.
Repeating Decimals
Decimals that end, or end in repeated zeros
4.
MATCH QUESTION
10 mins • 3 pts
Match each word with its definition.
Distributive Property
The sum of a set of values divided by the number of values. This is often called the average
Mean
For any nonzero number a, this value would be 1/a. For any fraction a/b would be b/a. Also called the multiplicative inverse of that number.
Reciprocal
Multiplying each term in a sum or difference by a common factor does not change the value of the expression. For any numbers a, b, and c. a(b + c) = ab + ac
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is (-5/6) / (-1/3)?
- 5/18
- 5/2
5/2
5/18
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
The grocery store sells cheddar cheese at the deli counter. The weight of the cheddar cheese changes by -8 lb. in 5 days. What rational number represents the average change in pounds of the cheddar cheese each day?
-1.6
-0.625
0.625
1.6
7.
MULTIPLE SELECT QUESTION
5 mins • 2 pts
Which expressions have a value less than 1? Choose ALL the correct answers.
-7 * 1/2 - 4
-7 *(1/2) *(- 4)
-7 * (1/2 - 4)
-7 + 1/2 * (- 4)
-7 / (-1/2) + 4
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