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School Roof Solar: Energy Audit

Practice scientific notation through a school rooftop solar project, including calculations, unit choices, and digital display readings.

Grade 8MathInteractive · Printable

Aligned to8.EE.A.4

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 8
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students add, subtract, multiply, and divide numbers written in scientific notation.
Students choose useful units and convert measurements for a rooftop solar project.
Students interpret E notation in digital records and use it in calculations.

How to use

Use after teaching scientific notation operations. Have students show calculations on scratch paper and explain how they checked units and exponents.

Curriculum

Common Core standard covered

8.EE.A.4

Calculate with numbers in scientific notation, choose sensible units, and read scientific notation produced by technology.

Preview

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Name Date

School Roof Solar: Energy Audit

Calculate, choose useful units, and interpret the project's digital records.

Project Calculations

Use scientific notation where requested. Its coefficient must be at least 1 and less than 10. Watts (W) measure power; watt-hours (Wh) measure energy.

Two sections of the school's rooftop solar array produce the energy shown. Find their combined energy.

Morning Energy Record
Roof section	Energy (Wh)
East	1.85 × 10⁴
West	2.7 × 10³

Combined energy: × 10 to the power of Wh

The solar project generates 3.2 × 10⁴ Wh during a test. School equipment uses 8.5 × 10³ Wh of that energy. How much generated energy is left for other uses?