Math 7 Semester 1 Review

Front

What is the result of -12 - (-18)?

Back

6

Front

How many meters would be in 30 seconds if the rate is 4 meters per second?

Back

120 meters

Front

What does -15 + (-9) represent in a real-life situation?

Back

Frank owes his friend 15 dollars and his brother 9 dollars.

Front

If a dolphin is swimming 15 feet below the surface and leaps 10 feet above, how far did it leap altogether?

Back

25 feet

Front

What is the product of (-2)(5)(-2)(-3)?

Back

-60

Front

What is the definition of a negative number?

Back

A number less than zero.

Front

What is the definition of an absolute value?

Back

The distance of a number from zero on the number line, always positive.

Front

What is the rule for multiplying two negative numbers?

Back

The product of two negative numbers is positive.

Front

What is the rule for adding two negative numbers?

Back

The sum of two negative numbers is negative.

Front

What is the formula for calculating distance?

Back

Distance = Speed × Time.