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National Park Road Trip: A Scale Notebook worksheet preview

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National Park Road Trip: A Scale Notebook

Estimate large park records and tiny natural features with powers of 10, then use the estimates to compare quantities.

Grade 8MathInteractive · Printable

Aligned to8.EE.A.3

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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, Circle the answer, Short answer

About this worksheet

What students practice

  • Students round very large and very small quantities to a single digit times a power of 10.
  • Students use rounded quantities to determine how many times as large one quantity is as another.

How to use

Use after introducing powers of 10. Have students record their rounded quantities before finding comparison factors, then discuss the final explanation.

Curriculum

Common Core standard covered

8.EE.A.3

Estimate very large or very small quantities as a single digit times a power of 10, and tell how many times bigger one is.

Preview

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National Park Road Trip: A Scale Notebook

Estimate park records and tiny features, then compare their sizes.

Prepare the Trip Notebook

For every requested estimate, round to one significant digit: d × 10ⁿ, where d is a whole number from 1 to 9. Use rounded values for comparisons unless told otherwise. The notebook records are practice data.

1.
Select every notebook entry that is rounded correctly to one significant digit.

Park brochure downloads: 7,630,000 ≈ 8 × 10⁶Dust grain width: 0.0000348 m ≈ 3 × 10⁻⁴ mRoad-trip photo pixels: 23,100,000 ≈ 2 × 10⁷Thin mineral layer: 0.000000719 m ≈ 7 × 10⁻⁷ m

2.
At a park visitor center, a microscope image labels a pollen grain as 0.0000582 meter wide. Complete its one-significant-digit estimate.

Estimated width =   × 10⁻⁵ m

3.
A park's online road guide received 9,760,000 views. Which estimate uses the required single-digit form?
  • A. 9 × 10⁶ views
  • B. 9 × 10⁷ views
  • C. 1 × 10⁷ views
  • D. 1 × 10⁶ views

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