Illustrative Mathematics Grade 7 Unit 5 Review

Front

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

Back

The result is a more negative number. For example, -5 + -4 = -9.

Front

What does it mean when a temperature is below zero degrees Celsius?

Back

It means the temperature is in the negative range, indicating it is colder than the freezing point of water.

Front

How do you find the difference between two temperatures?

Back

Subtract the lower temperature from the higher temperature. For example, the difference between -7°C and 0°C is 7°C.

Front

What is the sum of -5 and -4 on a number line?

Back

To find the sum, start at -5 and move 4 units to the left, landing at -9.

Front

What does a debit in a bank account represent?

Back

A debit represents money being taken out of the account.

Front

What does a credit in a bank account represent?

Back

A credit represents money being added to the account.

Front

If a submarine is at -500 feet and dives down another 500 feet, what is its new altitude?

Back

The new altitude is -1000 feet.

Front

What is the difference in height between a whale at -1960 feet and a plane at 8500 feet?

Back

The difference is 10,460 feet.

Front

How do you solve the equation b + 14.5 = 10?

Back

Subtract 14.5 from both sides to find b = -4.5.

Front

What is the total distance walked if someone walks ¾ miles east and then ¾ miles west?

Back

The total distance is 1.5 miles.