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Set Shop and Seat Sale Shortcuts worksheet preview

Worksheet

Set Shop and Seat Sale Shortcuts

Use operation properties to multiply and divide rational numbers in theater set-building and ticket-sale situations.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.2.c

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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 use commutative and associative properties to multiply rational numbers efficiently.
  • Students use the distributive property to simplify rational-number products and quotients.
  • Students rewrite division using reciprocals and evaluate proposed calculation strategies.

How to use

Have students identify useful factors or parts before calculating. Use the final explanation to discuss when division can be distributed over a sum.

Curriculum

Common Core standard covered

7.NS.A.2.c

Use properties of operations as strategies to multiply and divide rational numbers.

Preview

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Name Date

Set Shop and Seat Sale Shortcuts

Use operation properties to make rational-number calculations efficient.

Choose a Shortcut

Use operation properties to simplify each calculation. Record any intermediate steps on separate paper.

1.
The theater club is cutting trim for its set. Use the table and group factors to find the total length of trim.
Set Trim Plan
Set sectionsStrips per sectionMeters per strip
740.25

7 × 4 × 0.25 =   m

2.
A ticket spreadsheet contains (−1.25) × 13 × 8. Which rewrite uses the commutative and associative properties to create a whole-number factor first?
  • A. Use [(−1.25) × 8] × 13.
  • B. Use [(−1.25) × 13] + 8.
  • C. Use [(−1.25) × (−8)] × 13.
  • D. Use [(−1.25) + 8] × 13.
3.
A refund calculation is (−3/4) × 28. Use 28 = 20 + 8 and the distributive property.

(−3/4) × 28 =  

4.
A set-planning calculation is (−7/8) ÷ (1/4). Which product has the same value?
  • A. Multiply (7/8) × 4.
  • B. Multiply (−8/7) × (1/4).
  • C. Multiply (−7/8) × 4.
  • D. Multiply (−7/8) × (1/4).
5.
The club's account contains the calculation (−18 + 4.5) ÷ 1.5. Divide each term in the numerator by 1.5, then add.

(−18 + 4.5) ÷ 1.5 =  

Build Sets and Sell Seats

Choose an efficient strategy for each situation. Negative amounts represent decreases in the club's account or backward movements.

6.
Each of 18 backdrop frames needs one board costing $2.75 and one connector costing $1.25. Use the distributive property to find the total cost of these materials.

Total cost: $ 

7.
The club refunds 12 tickets from one performance and 8 from another. Each refund changes the account by −$6.50. Which expression correctly combines the refunds?
  • A. Use (−6.50) × (12 − 8).
  • B. Use (−6.50) ÷ (12 + 8).
  • C. Use (−6.50) + (12 × 8).
  • D. Use (−6.50) × (12 + 8).
8.
A sliding set platform moves backward 0.125 meter with each turn of a handle. Backward movement is negative. During each of 9 checks, the handle makes 8 turns. Regroup the factors to find the total signed movement.

Total signed movement:   m

9.
The club sells 49 seats at $7.50 each. Which calculation correctly uses 49 = 50 − 1 to find the revenue?
  • A. Calculate 7.50 × 50 − 1.
  • B. Calculate 7.50 × 50 − 7.50 × 1.
  • C. Calculate 7.50 × 50 + 7.50 × 1.
  • D. Calculate (7.50 − 1) × 50.
10.
A crew has 10.5 meters of fabric from one roll and 7.5 meters from another. Each curtain panel needs 0.75 meter. There is no waste. Use (10.5 + 7.5) ÷ 0.75 to find how many panels the crew can make.

The crew can make   panels.

Check the Reasoning

Decide which rewrites preserve a value. Pay attention to grouping, signs, and reciprocals.

11.
A crew member claims that (−24 ÷ 3) ÷ 2 equals −24 ÷ (3 ÷ 2) because division is associative. Which statement correctly checks the claim?
  • A. The claim is false; the values are −4 and −16, respectively.
  • B. The claim is false; the values are −16 and −4, respectively.
  • C. The claim is true; both expressions equal −4.
  • D. The claim is true; both expressions equal −16.
12.
A planning sheet shows (−5/6) × (6/5) × 2.4. Select every rewrite that preserves its value.

[(−5/6) × (6/5)] × 2.4−1 × 2.41 × 2.42.4 × [(6/5) × (−5/6)]0 × 2.4

13.
A spreadsheet divides a signed adjustment by −2/3. Complete an equivalent multiplication calculation by writing the reciprocal.

5.4 ÷ (−2/3) = 5.4 ×  

14.
Noor needs to evaluate 15 ÷ (0.5 + 0.25) while planning fabric cuts. She rewrites it as (15 ÷ 0.5) + (15 ÷ 0.25). Is her rewrite valid? Find the value of each expression and explain why the distributive property does or does not apply.

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