Adding Positive and Negative Numbers: Key Rules and Practice

Which of the following is an integer?

• 5.5

• √2

• 1/2

• 0

What should you do when adding two positive integers?

• Add them and keep the sign

• Add them and change the sign

• Subtract them and change the sign

• Subtract them and keep the sign

When adding two negative integers, what is the result?

• Zero

• A negative integer

• A positive integer

• It depends on the numbers

If the signs of the integers are different, what should you do?

• Subtract the numbers and change the sign

• Add the numbers and keep the sign of the larger number

• Subtract the numbers and keep the sign of the larger number

• Add the numbers and change the sign

What is the sum of 3 and 6?

• 9

• 3

• -3

• 0

What is the result of adding -7 and -2?

• -9

• 9

• 5

• -5

What is the sum of -13 and 14?

• 27

• -1

• -27

• 1

What is the result of adding 28 and -11?

• 39

• 17

• -39

• -17

What is the sum of -123 and -140?

• -17

• 263

• -263

• 17

When adding integers with different signs, what is a zero pair?

• Two positive numbers

• Two negative numbers

• One positive and one negative number

• Two zeros