OwlSheets
Weekend Bike Repairs: Follow the Balance worksheet preview

WorksheetPremium

Weekend Bike Repairs: Follow the Balance

Use a student-run bike-repair business to model signed sums on number lines, reason about opposites, and interpret financial changes.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.1.b

Buy this worksheet: $1.50

Or unlock every Premium worksheet with Premium

PrintUnlock to print
Answer keyUnlock to see answers
Assign to classUnlock to assign with a class code

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, Circle the answer, Short answer

About this worksheet

What students practice

  • Students model p + q by moving |q| units from p in the direction determined by the sign of q.
  • Students identify opposite quantities and explain why their sum is zero.
  • Students interpret signed sums in business balances and repair schedules.

How to use

Have students mark starting points and sketch moves on the number lines. Discuss how a transaction's direction differs from the sign of the ending balance.

Curriculum

Common Core standard covered

7.NS.A.1.b

Understand p + q as moving |q| from p on a number line, see that opposites add to 0, and interpret sums in context.

Preview

OwlSheets.com

Name Date

Weekend Bike Repairs: Follow the Balance

Model signed changes, reverse transactions, and interpret sums.

Read the Moves

Nia and Omar run a weekend bike-repair business. Their net earnings equal money earned minus business expenses. Positive amounts are gains; negative amounts are losses. On a number line, add positive changes by moving right and negative changes by moving left.

1.
Omar models a transaction by starting at 2 and moving 9 units left. Which expression matches his move?−10−9−8−7−6−5−4−3−2−10123456
  • A. 9 + (−2)
  • B. 2 + 9
  • C. −2 + 9
  • D. 2 + (−9)
2.
A $4 expense is modeled by moving 4 units left. The move ends at −6.−8−7−6−5−4−3−2−101234

What was the signed starting balance?   dollars

3.
Nia represents a balance update as p + q, where q = −7. Which instruction works for every starting balance p?
  • A. Start at p and move left to −7.
  • B. Start at p and move 7 units right.
  • C. Start at p and move 7 units left.
  • D. Start at −7 and move 7 units left.

The preview shows the first questions. Unlock the worksheet to see all of it.

Related worksheets