Adding Integers

Front

What is the result of 3 + -7?

Back

-4

Front

What is the result of -8 + 20?

Back

12

Front

What is the result of 28 + (-30)?

Back

-2

Front

A football team gained 9 yards on one play and then lost 22 yards on the next. Write a sum of integers to find the overall change in field position.

Back

9 + (-22) = -13

Front

Bob lost 5 points on page one of his math test and he lost 9 points on page two of his math test. Which equation best describes Bob's progress on his math test?

Back

-5 + -9 = -14

Front

What is an integer?

Back

An integer is a whole number that can be positive, negative, or zero.

Front

What does it mean to add a negative integer?

Back

Adding a negative integer is the same as subtracting a positive integer.

Front

What is the sum of two negative integers?

Back

The sum of two negative integers is always negative.

Front

What is the sum of a positive integer and a negative integer?

Back

The sum depends on the absolute values; if the positive integer is larger, the result is positive, and if the negative integer is larger, the result is negative.

Front

What is the identity property of addition?

Back

The identity property of addition states that any number plus zero equals the number itself.