Multiplying/Dividing Rational Numbers Practice

Front

What is a rational number?

Back

A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero.

Tags

CCSS.5.NBT.A.2

Front

How do you multiply two negative numbers?

Back

When you multiply two negative numbers, the result is a positive number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

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 a negative number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

How do you divide a negative number by a positive number?

Back

When you divide a negative number by a positive number, the result is a negative number.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

What is the result of multiplying (5) • (–9) • (–2)?

Back

The result is 90.

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

Front

If the temperature drops 5 degrees every hour for 9 hours, what is the total change in temperature?

Back

The total change in temperature is -45 degrees.

Tags

CCSS.7.NS.A.3

Front

How do you simplify the product of two fractions, such as (-4/5) x (-7/6)?

Back

To simplify, multiply the numerators and the denominators: (-4) x (-7) = 28 and (5) x (6) = 30, resulting in 28/30, which simplifies to 14/15.

Tags

CCSS.7.NS.A.2A

Front

What is the result of the expression (–8)(–3) + (-10)?

Back

The result is 14.

Tags

CCSS.7.NS.A.2C

Front

How do you calculate the hourly wage if Laura earned $92.56 for 13 hours of work?

Back

To find the hourly wage, divide the total earnings by the number of hours worked: $92.56 / 13 = $7.12.

Tags

CCSS.7.EE.B.3

Front

What is the formula for finding the average rate of change?

Back

The average rate of change is calculated as (change in value) / (change in time).

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6