Operations with Positive and Negative Fractions

Why is it important to thoroughly understand fraction operations?

• Because they are only used in elementary school.

• Because they are not used in real life.

• Because they are only used in advanced Math courses.

• Because they are used in every Math course.

What must be the same when adding or subtracting fractions?

• Signs

• Whole numbers

• Numerators

• Denominators

How do you convert a mixed number to an improper fraction?

• Add the whole number to the numerator.

• Subtract the numerator from the whole number.

• Multiply the whole number by the denominator and add the numerator.

• Multiply the whole number by the numerator and add the denominator.

What is the result of adding 8/10 and 3/10?

• 8/3

• 3/8

• 11/10

• 11/20

What is the first step in multiplying fractions?

• Add the numerators.

• Convert to mixed numbers.

• Reduce if possible.

• Find a common denominator.

What is the product of 5/7 and -2/3?

• -10/21

• -5/21

• 5/21

• 10/21

What is the rule to remember when dividing fractions?

• Multiply-Divide-Add

• Keep-Change-Flip

• Add-Subtract-Multiply

• Flip-Keep-Change

What is the result of dividing -4/9 by -5/3?

• 20/27

• -20/27

• 4/15

• -4/15

How much money did the student spend on bus fares if they had $40 and spent 2/5 of it?

• $8

• $16

• $24

• $20

How much money did the student have left after spending on bus fares, shopping, and snacks?

• $5

• $15

• $9

• $19