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School Bake: Recipe Reset Plans worksheet preview

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School Bake: Recipe Reset Plans

Students interpret opposite signed quantities as they review recipe adjustments for a school bake sale.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.1.a

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What’s included

  • Single worksheet
  • Auto-graded online
  • 1 Common Core standard
  • Printable answer key
  • 13 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 identify opposite adjustments to the same quantity that combine to make zero.
  • Students find missing signed adjustments that restore an original recipe plan.
  • Students explain why canceling one ingredient's adjustments may not restore an entire recipe.

How to use

Use during a lesson on opposite quantities. Have students identify the quantity and unit before deciding whether adjustments cancel, then discuss the final recipe review.

Curriculum

Common Core standard covered

7.NS.A.1.a

Describe situations where opposite quantities combine to make 0, like gaining and then losing the same amount.

Preview

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Name Date

School Bake: Recipe Reset Plans

Identify opposite adjustments that combine to make zero.

Review the Recipe Plans

A bakery is scaling recipes for a school bake sale. All adjustments are changes to written plans, before mixing. Positive changes increase an amount; negative changes decrease it.

1.
Each row shows two adjustments to one ingredient. Which ingredient returns to its original planned amount?
Recipe Adjustment Record
IngredientFirst change (kg)Second change (kg)
Sugar+0.4−0.2
Flour+0.75−0.75
Oats−0.5+0.25
Butter−0.3−0.3
  • A. The oats return to their original amount.
  • B. The flour returns to its original amount.
  • C. The butter returns to its original amount.
  • D. The sugar returns to its original amount.
2.
Match each first adjustment with the action that cancels it exactly.
  1. Increase the planned flour by 2 1/2 cups.
  2. Decrease the planned raisins by 3/4 cup.
  3. Increase the planned oil by 0.6 liter.
  1. A. Decrease the planned oil by 0.6 liter.
  2. B. Increase the planned raisins by 3/4 cup.
  3. C. Decrease the planned flour by 2 1/2 cups.
3.
A smudged note hides the first change to the planned amount of milk. The second change is −1.5 liters. Together, the two changes make zero.

Write the signed first change:   liters

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