STAAR Blitz Day 1

Equations

100

5x+1 = 11

x=2

200

4x-9=3

x=3

300

6x-16=20

x=6

400

11x+11-4=84

x=7

500

2x+8x+9 =99

x=9

Decimals to Fractions

100

0.7

7/10

200

0.12

3/25

300

.65

13/20

400

.19

19/100

500

.008

1/125

Formulas

100

What is the formula I=Prt tell you?

Simple Interest

200

What does the formula A=1/2bh tell you?

Area of a triangle

300

What does 22/7 mean?

Pi

400

What does the formula A=1/2(b1+b2)h mean?

Area of a Trapezoid

500

What does the formula A=P(1+r)^t mean?

Compound Interest

Multiplying Fractions

100

3/4 x 9/10

12/40 OR 3/10

200

1/3 x 4/9

4/27

300

5/11 x 5/11

25/121

400

6/9 x 1/12

6/108 OR 2/39

500

13/15 x 4/7

52/105

Scale Factor

100

1/5 = x/15

x=3

200

2/7 = 14/x

x=49

300

9/11 = 72/x

x=88

400

2/5 = x/125

x=50

500

9/16 = x/64

x=36