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Steps and Heart Rate: Audit the Log worksheet preview

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Steps and Heart Rate: Audit the Log

Practice integer division, rational quotients, zero restrictions, and equivalent negative fractions using fitness tracker logs.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.2.b

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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 7
Subject
Math
Question types
Fill in the blank, Multiple choice, Matching, Short answer

About this worksheet

What students practice

  • Students divide signed integers with nonzero divisors and interpret rational results.
  • Students recognize equivalent placements of a negative sign in a quotient.
  • Students distinguish zero quotients from undefined division by zero.

How to use

Have students work through the tracker logs independently, showing calculations on scrap paper. Discuss the final explanation and why average step counts can be fractional.

Curriculum

Common Core standard covered

7.NS.A.2.b

Know integers can be divided when the divisor is not 0, that the result is rational, and that -(p/q) = (-p)/q = p/(-q).

Preview

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Name Date

Steps and Heart Rate: Audit the Log

Interpret signed quotients and check equivalent fraction forms.

Read and Check the Log

Use signed numbers for changes and corrections. Give exact answers as integers, decimals, or fractions.

1.
After a walk, Amara checks her heart rate. Find the average signed change per minute using ending rate minus starting rate.
Recovery Readings
Minutes after walkHeart rate (bpm)
0101
486

The average signed change was   bpm per minute.

2.
A tracker report contains the check 18 ÷ (−5). What is its value?
  • A. 3.6
  • B. −13
  • C. −3.6
  • D. −0.36
3.
A tracker counted 26 hand motions as steps during four equal recording periods. Removing them gives a total correction of −26 steps. Find the average signed correction per period.

The average correction was   steps per period.

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