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### Calculators? Formulas?

### Questions? used to determine the area of the trapezoid.

What Students Need to Know!

Jan Martin, SD DOE

Director of Assessment

SDCTM

Feb. 8, 2014

Calculators

Grade 6 – 4 Function Calculator as needed

Grade 7 & 8 – Scientific Calculator as needed

Link to on-line calculator: http://sbac.portal.airast.org/practice-test/calculators/

Grade 6

https://sat1.sbacpt.tds.airast.org/student/Scripts/Calculator/TDSCalculator.html?mode=Basic

Use the Equation Tool to create an expression that could be used to determine the area of the trapezoid.

Grade 7 & 8 used to determine the area of the trapezoid.

https://sat1.sbacpt.tds.airast.org/student/Scripts/Calculator/TDSCalculator.html?mode=Scientific

Formulas and Measurement Conversions used to determine the area of the trapezoid.

- Considerations in the development of the item writing guidelines for measurement conversions, formulas, and other mathematical facts:
- Construct being measured
- Overall coherence of the CCSSM
- System constraints

Formulas not included for any item type used to determine the area of the trapezoid.

List C: The formulas listed here are not included for any item type at any grade level in the Smarter Balanced summative and interim assessments.

- Perimeter or area of a rectangle
- Perimeter or area of a parallelogram
- Perimeter or area of a trapezoid
- Perimeter or area of a square
- Perimeter or area of a triangle
- Circumference or area of a circle
- Arc length
- Area of a sector of a circle
- Sum of interior angles of a polygon
- Measure of one interior angle of a regular polygon
- Surface area of a rectangular prism
- Surface area of cube
- Surface area of right pyramids with rectangular or triangular base
- Volume of right rectangular prism
- Volume of cube
- Quadratic formula
- Pythagorean Theorem

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