STAAR Tutorials

Dividing Fractions

100

3/7 divided by 4/5 (Keep Change Flip)

15/28

200

-1/9 divided by 2/3 (Keep Change Flip)

-1/6

300

2/7 divided by 1/11 (Keep Change Flip)

3 1/7

400

20/23 divided by -9/10 Keep Change Flip

-200/207

500

-63/7 divided by -3/1

3

Proportions

100

3/5 = X/20

X=?

X=12

200

8/11 = 64/X

X=?

X=88

300

-8/17 = X/34

X=?

X=-16

400

13/17 = 91/X

X=?

X=119

500

-7/80 = -56/X

X=?

640

Part to Whole Percents

100

Paul counted the number of cards in his card collection. He has 24 football cards and 36 football cards.What percentage of Paul's cards are football cards?

Hint: (part/whole)

40%

200

Joanne is making baked goods for a fundraiser. She has made 8 pies and 20 cakes. What percentage of her baked goods are cakes? Round to the nearest whole number.

Hint: (part/whole)

~71%

300

Lorie has a coffee cup collection. Her cups are three different sizes:

8 are 10 oz cups

5 are 12 oz cups

7 are 16 oz cups

What percent are 12 oz cups?

Hint: (part/whole)

25%

400

Marcel planted new flowers in her yard. Nine rose bushes, 7 magnolia trees, and 14 lily's. What percent of her new flowers are rose bushes?

Hint: (part/whole)

30%

500

The library got a donation of new books. 15 mystery, 12 graphic novels, 3 historical fiction, and 8 children's books. What percentage of the new books are graphic novels? Round to the nearest whole number.

Hint: (part/whole)

~32%

Conversions

100

Convert .44 to a percent.

44%

200

Convert 75.2% to a decimal.

.752

300

Convert 83% to a fraction.

83/100

400

Convert 29.44% to a decimal.

.2944

500

Convert 3.15 to a percent.

315%

Random

100

-13*14

-182

200

(5² +5)-30+30

30

300

Name 2 prime numbers.

Varies

400

What is the name for half of the distance across a circle?

Radius

500

What is the formula for calculating the area of a triangle?

1/2bh