Topic 1 - 2 Review

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What is a terminating decimal?

Back

A terminating decimal is a decimal number that has a finite number of digits after the decimal point. For example, 0.75 is a terminating decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

What is a repeating decimal?

Back

A repeating decimal is a decimal number that has one or more digits that repeat infinitely. For example, 0.333... is a repeating decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

How do you determine if a fraction is a terminating or repeating decimal?

Back

A fraction is a terminating decimal if its denominator (in simplest form) has only the prime factors 2 and/or 5. If it has other prime factors, it is a repeating decimal.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

Front

If a car uses 1/3 of a gallon of gas to travel 8 miles, how do you find the distance traveled on 6 gallons?

Back

First, find the distance per gallon: 8 miles / (1/3 gallon) = 24 miles per gallon. Then multiply by 6 gallons: 24 miles/gallon * 6 gallons = 144 miles.

Tags

CCSS.7.RP.A.1

Front

What is the result of adding a negative number to a positive number?

Back

When you add a negative number to a positive number, you subtract the absolute value of the negative number from the positive number.

Tags

CCSS.7.NS.A.1C

Front

Calculate (-7) + 15.

Back

The result is 8.

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CCSS.7.NS.A.1C

Front

What is the product of a positive number and a negative number?

Back

The product of a positive number and a negative number is always negative.

Tags

CCSS.7.NS.A.2A

Front

Calculate 5 x (-4).

Back

The result is -20.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the formula for multiplying fractions?

Back

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CCSS.5.NF.B.6

Front

Back

Tags

CCSS.5.NF.B.6