7th Grade Math STAAR Reference Materials

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STAAR GRADE 7 MATHEMATICS. REFERENCE MATERIALS. LENGTH. Customary. Metric. 1 mile (mi) = 1,760 yards (yd). 1 kilometer (km) = 1,000 meters (m).
STAAR

STAAR GRADE 7 MATHEMATICS REFERENCE MATERIALS

®

State of Texas Assessments of Academic Readiness

y = mx + b

Constant of proportionality

k =

y x

1

Slope-intercept form

0

Inches

LINEAR EQUATIONS

CIRCUMFERENCE Circle

or

C = πd

2

C = 2π r

AREA A = 1 bh 2

Rectangle or parallelogram

A = bh

Trapezoid

A = 1 (b1 + b2)h 2

Circle

A = πr 2

3

Triangle

4

VOLUME V = Bh

Pyramid

V = 1 Bh 3

Pi

6

ADDITIONAL INFORMATION

5

Prism

π ≈ 3.14

or

π ≈ 22 7 d = rt

Simple interest

I = P rt

Compound interest

A = P (1 + r )t

7

Distance

8

20

STAAR GRADE 7 MATHEMATICS REFERENCE MATERIALS 19

LENGTH

16

17

18

Customary

Metric

1 mile (mi) = 1,760 yards (yd)

1 kilometer (km) = 1,000 meters (m)

1 yard (yd) = 3 feet (ft)

1 meter (m) = 100 centimeters (cm)

1 foot (ft) = 12 inches (in.)

1 centimeter (cm) = 10 millimeters (mm)

14

15

VOLUME AND CAPACITY Customary

13

1 gallon (gal) = 4 quarts (qt)

Metric 1 liter (L) = 1,000 milliliters (mL)

12

1 quart (qt) = 2 pints (pt) 1 pint (pt) = 2 cups (c)

10

11

1 cup (c) = 8 fluid ounces (fl oz)

9

WEIGHT AND MASS

1 ton (T) = 2,000 pounds (lb)

1 kilogram (kg) = 1,000 grams (g)

1 pound (lb) = 16 ounces (oz)

1 gram (g) = 1,000 milligrams (mg)

2 1 0

Centimeters

3

4

5

6

8

Metric

7

Customary