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Shelter Records: Changes and Targets

Model signed sums on number lines while tracking animal shelter adoption goals, supply changes, and opposite quantities.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.1.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, Circle the answer, Short answer

About this worksheet

What students practice

Students model p + q as a move of |q| units from p in the direction determined by the sign of q.
Students identify opposite quantities whose sum is zero.
Students interpret signed sums in adoption and supply records.

How to use

Have students mark starting points and sketch moves on the number lines. Review how a negative balance describes a shortage, not a negative physical amount.

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.

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Name Date

Shelter Records: Changes and Targets

Use number-line moves to track adoption goals and supply balances.

Model the Changes

The shelter tracks supplies relative to a reserve target. Zero means exactly at the target; positive means above it, and negative means below it. Each item is a separate record.

The towel balance is −6 towels. A donation adds 9 towels. Which move models −6 + 9?