Dividing Rational #'s
Multiplying Rational #'s
Subtracting Rational #'s
Adding Rational #'s
Vocabulary
100

Two things you must do when dividing fractions 

change the divisor to its reciprocal then multiply

100

multiplying an even amount of negative factors results in a __________ product

Positive

100

Solve the problem

15 - (-8)

23

100

-16 + (-8)

-24

100

The dividend must always be greater than the divisor

FALSE

200

8.2 divided by -4

-2.05

200

12.80 x 1 x  -6.3

-80.640

200

Mickey borrwed $75.00 from his grandparents to purchase a season pass to a theme park. After saving up his allowance for one month, he is able to pay them $24.65. How much does Mickey still owe his grandparents?

Mickey owes his grandparents $50.35 because he borrwed $75.00 and he paid $24.65.

200

6.25 + (-8.50)

-2.25

200

When multiplying an odd number of negative factors the product will be ___________

Negative

300

-2/3 divided by 1/2

-1 1/3

300

4.5 x 3

13.5

300

-9/10 - (-3/10)

-6/10 = -3/5

300

-54.26 + (-15.42)

-69.68

300

All negative decimals and fractions belong in which category of numbers

Rational

400

-8/9 divided by -4/9

2

400

-15.6 x -2

31.2

400

-20 - 9

-29

400

-1 1/2 + 2 7/10

1 1/5

400

What number must you multiply by the divisor and divided if the divisor is 3.58

100

500

1 3/8 divided by 1/8

11

500

-7/10 x 1/4

-7/40


500

10.8 - (-6.4)

17.2

500

-6/11 + -3/11

-9/11

500

Dividing fractions is the same as

multiplying by the reciprocal