Review: 7.NS.A.3

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero, but does not include fractions or decimals.

Front

How do you represent a temperature decrease in integers?

Back

A decrease in temperature is represented by a negative integer. For example, if the temperature drops from 14 degrees to -11 degrees, the change is -25 degrees.

Front

What does it mean to be below sea level?

Back

Being below sea level means that the location's elevation is represented by a negative integer. For example, -1800 ft indicates a depth of 1800 feet below sea level.

Front

How do you calculate the new temperature after a decrease?

Back

To calculate the new temperature after a decrease, subtract the decrease from the initial temperature. For example, 14 - 25 = -11 degrees.

Front

What is the equation to find a fraction of a number?

Back

To find a fraction of a number, multiply the number by the fraction. For example, to find 3/4 of 200, calculate 200 * (3/4) = 150.

Front

What is the result of adding two negative integers?

Back

Adding two negative integers results in a more negative integer. For example, -3 + -5 = -8.

Front

What is the result of subtracting a negative integer from a positive integer?

Back

Subtracting a negative integer is the same as adding its positive counterpart. For example, 5 - (-3) = 5 + 3 = 8.

Front

How do you convert a temperature change into an integer?

Back

A temperature change is represented as a negative integer if it decreases and a positive integer if it increases. For example, a drop of 30 degrees is -30.

Front

What is the formula to calculate how many items can be made from a total amount?

Back

To calculate how many items can be made, divide the total amount by the amount needed for one item. For example, 17.16 cups / 0.33 cups per brownie = 52 brownies.

Front

What does it mean when a submarine is at -3300 ft?

Back

It means the submarine is 3300 feet below sea level.