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Aquarium Care: Feeding at Different Scales worksheet preview

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Aquarium Care: Feeding at Different Scales

Practice scientific notation with aquarium feeding schedules, tank-care measurements, useful units, and digital equipment displays.

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, Matching, Short answer

About this worksheet

What students practice

  • Students add, subtract, multiply, and divide quantities written in scientific notation.
  • Students choose useful measurement units for aquarium-care quantities.
  • Students interpret scientific notation displayed by digital equipment and calculators.

How to use

Use after teaching operations with scientific notation. Have students show calculations on scratch paper and check that each final coefficient is at least 1 and less than 10.

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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Aquarium Care: Feeding at Different Scales

Calculate feeding amounts, choose useful units, and interpret digital displays.

Feeding Schedule Calculations

Use the stated feeding amounts. In scientific notation, the coefficient must be at least 1 and less than 10.

1.
The nursery tank receives both scheduled portions each day.
Nursery Feeding Schedule
Feeding timeFood mass (g)
8 a.m.6.4 × 10⁻²
4 p.m.9.6 × 10⁻²

Complete the daily total in scientific notation:   × 10 to the power of   g.

2.
A tank holds 4 × 10² fish. Each fish receives 3.5 × 10⁻³ gram of food at one feeding. What is the total food mass for that feeding?
  • A. 1.4 × 10¹ g
  • B. 1.4 × 10⁻¹ g
  • C. 7.5 × 10⁻¹ g
  • D. 1.4 × 10⁰ g
3.
A sealed food container holds 1.26 × 10² grams. One tank uses 4.2 × 10⁻¹ gram each day. Assume none is wasted.

How many days will the food last?   days

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