Mastering Integer Addition and Subtraction

What are integers?

• Only positive numbers

• Only negative numbers

• Positive and negative numbers, including zero

• Numbers with decimals

Tags

CCSS.7.NS.A.1C

How do you add two integers with the same sign?

• Divide the numbers

• Multiply the numbers

• Add the numbers and keep the sign

• Subtract the numbers

Tags

CCSS.7.NS.A.1C

What happens when you add two integers with different signs?

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

• Multiply the two numbers

• Add the numbers and change the sign

• Keep the sign of the smaller number

Tags

CCSS.7.NS.A.1C

When adding two integers with different signs, you should:

• Always keep the negative sign

• Always keep the positive sign

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

• Add the numbers and divide by 2

Tags

CCSS.7.NS.A.1C

How do you subtract integers?

• Divide the numbers

• Add the opposite of the number being subtracted

• Directly subtract one from the other

• Multiply the numbers

Tags

CCSS.7.NS.A.1C

To subtract integers, one should:

• Change the subtraction to addition and use the opposite sign

• Only subtract numbers with the same sign

• Always subtract the smaller from the larger number

• Keep the original signs and subtract

Tags

CCSS.7.NS.A.1C

What is the result of 2 minus 3?

• -5

• 5

• 1

• -1

Tags

CCSS.7.NS.A.1C

What is the result of 15 minus (-5)?

• 10

• -10

• 20

• -20

Tags

CCSS.7.NS.A.1C

What is the result of -14 minus 18?

• -32

• 4

• 32

• -4

Tags

CCSS.7.NS.A.1C