Exploring Rational Expressions: Addition and Subtraction

What should you do if you have a hard time keeping your work organized?

• Ask the teacher for the answer

• Draw a line to visually separate steps

• Use a calculator

• Skip the problem

What is the result of 14 + 9?

• 21

• 25

• 23

• 19

If you have 23 - 9, what should the result be?

• 14

• 18

• 12

• 16

What operation should you use to get rid of subtraction?

• Division

• Multiplication

• Addition

• Subtraction

What is the result of 116 - 72?

• 74

• 64

• 54

• 44

How do you handle a negative number when adding?

• Add the numbers directly

• Subtract and keep the sign of the larger number

• Multiply the numbers

• Ignore the negative sign

What is the result of 61 - 18?

• 45

• 47

• 43

• 49

How do you get rid of multiplication by a negative number?

• Subtract the negative number

• Multiply by another negative number

• Divide by the negative number

• Add the negative number

What is the result of 48 divided by -4?

• -12

• 16

• 12

• -16

What is the result of -32 divided by 8?

• -4

• 4

• -8

• 8