Texas TEA Official Reference Materials

6th Grade STAAR Math Reference Sheet & Formula Chart

Official Texas TEA formulas for area of triangles and trapezoids, volume of right rectangular prisms, and conversion tables for Grade 6 Mathematics.

Area & Volume Formulas (TEKS 6.8B, 6.8C, 6.8D)

Official formulas provided on the Texas Grade 6 STAAR Mathematics reference sheet.

MeasurementGeometric FigureFormulaExplanation & Calculation Strategy
AreaTriangleA = ½bh or A = (bh) / 2Base times perpendicular height divided by 2.
Rectangle / ParallelogramA = bhBase times perpendicular height.
TrapezoidA = ½(b₁ + b₂)h or A = ((b₁ + b₂)h) / 2Half the sum of parallel bases times perpendicular height.
VolumeRight Rectangular PrismV = Bh (where B = lw)Base area B (length × width) multiplied by the vertical height h.

Customary & Metric Conversions (TEKS 6.4H, 6.5A)

Official unit conversions provided on the Grade 6 reference materials chart.

Customary Conversions

Length

1 mile (mi) = 1,760 yards (yd) = 5,280 feet (ft)

1 yard (yd) = 3 feet (ft) = 36 inches (in.)

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

Volume and Capacity

1 gallon (gal) = 4 quarts (qt)

1 quart (qt) = 2 pints (pt)

1 pint (pt) = 2 cups (c)

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

Weight and Mass

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

1 pound (lb) = 16 ounces (oz)

Metric Conversions

Length

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

1 meter (m) = 100 centimeters (cm) = 1,000 millimeters (mm)

1 centimeter (cm) = 10 millimeters (mm)

Volume and Capacity

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

Weight and Mass

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

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

Time Conversions

1 year = 12 months = 52 weeks = 365 days

1 week = 7 days • 1 day = 24 hours

1 hour = 60 minutes • 1 minute = 60 seconds

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Reference Questions

6th Grade STAAR Math Reference Sheet FAQs

Key questions regarding 6th-grade formula usage, trapezoid calculations, and test policies.

What area formulas are provided on the 6th Grade STAAR Math reference sheet?

The Texas Grade 6 Mathematics Reference Materials chart provides area formulas for triangles (A = 1/2 bh or A = bh / 2), rectangles and parallelograms (A = bh), and trapezoids (A = 1/2 (b₁ + b₂)h or A = (b₁ + b₂)h / 2). Students should notice that base times height (bh) replaces length times width (lw) in middle school TEKS.

How is the volume of a right rectangular prism represented in 6th grade?

Under TEKS 6.8D, volume is written as V = Bh, where capital B represents the area of the base (b × h or l × w). The formula sheet emphasizes understanding that volume represents repeated layers of identical base cross-sections.

Can 6th grade students use a calculator on the STAAR Math test?

In Texas, Grade 6 students do not receive a standard calculator on the STAAR Math test unless specified under district accommodation policy or an approved IEP/504 plan. When four-function calculators are permitted under specific accommodations, standard graphing calculators remain prohibited.

How do students calculate the area of a trapezoid using the formula chart?

To calculate the area of a trapezoid using A = 1/2 (b₁ + b₂)h: first add the lengths of the two parallel bases (b₁ and b₂), then multiply the sum by the perpendicular height h, and finally divide the product by 2 (or multiply by 0.5).