Exploring Integer Addition and Subtraction

What is the main difference between whole numbers and integers?

• Integers are always positive.

• Whole numbers can be negative.

• Whole numbers include fractions.

• Integers can be positive or negative.

What is the result of adding -4 and -5?

• 1

• 9

• -9

• -1

When adding a negative and a positive integer, what determines the sign of the result?

• The sign of the first integer.

• The sign of the second integer.

• The sign of the integer with the greater absolute value.

• The sign of the integer with the lesser absolute value.

What is the result of adding -4 and 5?

• -9

• 1

• -1

• 9

What is the sum of 4 and -4?

• 8

• 0

• -4

• 4

What is the equivalent of adding a negative number?

• Adding a positive number.

• Adding zero.

• Subtracting a positive number.

• Subtracting a negative number.

If you are at 1000 meters and walk 200 meters down, what is your new altitude?

• 200 meters

• 1000 meters

• 800 meters

• 1200 meters

What is the equivalent of subtracting a negative number?

• Subtracting a positive number.

• Adding a positive number.

• Subtracting zero.

• Adding a negative number.

What is the difference in altitude between 1025 meters above sea level and 155 meters below sea level?

• 1180 meters

• 870 meters

• 155 meters

• 1025 meters

What is the general rule for subtracting a negative number?

• a - (-b) = -a + b

• a - (-b) = a - b

• a - (-b) = a + b

• a - (-b) = -a - b