Math Review STAAR

Similar figures

100

Equal Angles are...

Congruent

200

Equal Sides are...

Parallel

300

There is a triangle with the height of 14 and another triangle with the height of 3, what is the scale factor?

              Round to the nearest tenth.

0.2

400

What is a scale factor?

The number that you multiply similar figures by and get the other side.

500

If one triangle has a height of 6 and the other one has a height of 19, what is the scale factor?    Round to the nearest tenth.

3.2

Two Step Equations

100

2x + 6 = 8

x = 1 1

200

13x - 39 = 15

Round to the nearest tenth

x = 4.2

300

15 + 23x = 61

x = 2

400

1.5x - 9 = 3

x = 8

500

-5x + 19 = 94

x = -15

Inequalities

100

3x  - 12 < 16

x < 9

200

50x - 17 > 103

x > 2

300

7x + 49 <_ 0

x <_ -7

400

-6x - 15 <_ 45

x >_ -6

500

-7x + 69 < 75

x > 0.1

Probability

100

6 green 5 yellow and 9 red. What is the probability of a red being chosen replaced then a yellow being chosen?

9/80

200

1 yellow 2 green 3 purple. If they make it 600 total colors then how many yellow is there?

100

300

5 yellow marbles, 15 blue marbles, and 10 orange marbles. If they make the total marbles to 150 how many orange marbles will there be?

50

400

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67

500

6/90    equals      ?/45

3

Just math

100

5 + 8

13

200

27/9

3

300

69 x 2

138

400

56 - 16

30

500

5 - 25

-20