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Family Kitchen: Weekly Orders worksheet preview

Worksheet

Family Kitchen: Weekly Orders

Calculate weekly restaurant orders with scientific notation, choose useful units, and interpret calculator and digital-scale displays.

Grade 8MathInteractive · Printable

Aligned to8.EE.A.4

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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 8
Subject
Math
Question types
Fill in the blank, Multiple choice, Short answer

About this worksheet

What students practice

  • Students perform operations with scientific notation and ordinary decimal notation.
  • Students choose sensible units for large and small kitchen measurements.
  • Students interpret scientific notation shown by calculators and digital scales.

How to use

Use for independent practice after teaching scientific notation operations. Have students show calculations on separate paper and discuss the final error analysis.

Curriculum

Common Core standard covered

8.EE.A.4

Calculate with numbers in scientific notation, choose sensible units, and read scientific notation produced by technology.

Preview

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Name Date

Family Kitchen: Weekly Orders

Use scientific notation to check deliveries, portions, and kitchen measurements.

Check the Deliveries

Calculate each quantity. When scientific notation is requested, use a coefficient at least 1 and less than 10.

1.
A family restaurant orders 2.4 × 10¹ bags of rice for the week. Each bag contains 1.5 × 10⁴ grams. What is the total mass?
  • A. 3.6 × 10⁵ grams
  • B. 3.6 × 10⁶ grams
  • C. 3.9 × 10⁵ grams
  • D. 3.6 × 10⁴ grams
2.
The weekly oil order contains 4.8 × 10⁴ milliliters. Each bottle holds 6 × 10² milliliters.

How many bottles are in the order?   bottles

3.
The kitchen receives 3.6 × 10⁴ grams of tomatoes on Monday and 8,500 grams on Thursday. Complete the total in scientific notation.

Total mass =   × 10⁴ grams

4.
The restaurant orders 1.2 × 10⁵ grams of flour. By Friday, it has used 4.5 × 10⁴ grams. How much flour remains?
  • A. 7.5 × 10⁴ grams
  • B. 3.3 × 10⁴ grams
  • C. 1.65 × 10⁵ grams
  • D. 7.5 × 10⁵ grams
5.
The weekly order includes 250 stacks of napkins, with 1.6 × 10² napkins per stack. Which is the total number of napkins in scientific notation?
  • A. 4 × 10² napkins
  • B. 4 × 10³ napkins
  • C. 4 × 10⁵ napkins
  • D. 4 × 10⁴ napkins

Choose Units and Plan Portions

Use the stated conversions. Keep units in your calculations.

6.
The kitchen manager wants to record the weekly rice order using a number between 1 and 1,000. Which measurement meets that goal and equals the mass in the table? Use 1 kilogram = 1,000 grams and 1 gram = 1,000 milligrams.
Weekly Rice Delivery
ItemMass in grams
Rice3.6 × 10⁵
  • A. 360 milligrams
  • B. 360 kilograms
  • C. 3,600 kilograms
  • D. 360,000 grams
7.
The weekly equipment order includes a fine strainer with openings 2.5 × 10⁻⁴ meter wide. The manager wants a unit that gives a number between 1 and 1,000. Which equivalent measurement should be recorded? Use 1 meter = 100 centimeters = 1,000 millimeters = 1,000,000 micrometers.
  • A. 2,500 micrometers
  • B. 0.25 millimeter
  • C. 250 micrometers
  • D. 0.025 centimeter
8.
A noodle delivery has a mass of 1.8 × 10⁴ grams. Each serving uses 1.5 × 10² grams of noodles.

How many full servings can the kitchen prepare?   servings

9.
The kitchen orders 18 liters of vegetable oil and 7.5 × 10³ milliliters of olive oil. Use 1 liter = 1,000 milliliters. Complete the combined volume in scientific notation.

Combined volume =   × 10⁴ milliliters

10.
A sugar order contains 3.2 × 10¹ boxes. Each box contains 2.5 × 10² packets, and each packet contains 4 grams of sugar. Complete the total mass in scientific notation.

Total mass = 3.2 × 10ⁿ grams, where n =  

Read the Digital Records

In a calculator or scale display, E means “times 10 to the power of.” For example, 2.7E3 means 2.7 × 10³.

11.
The delivery scale shows 6.25E4 with the unit set to grams for the weekly onion order.

Write the mass in ordinary decimal notation:   grams

12.
A precision scale shows 4.8E−3 kilograms for a sample of seasoning from the weekly order. What is that mass in grams? Use 1 kilogram = 1,000 grams.
  • A. 4,800 grams
  • B. 4.8 grams
  • C. 48 grams
  • D. 0.0048 gram
13.
To plan portions from a potato order, the manager divides the total mass in grams by the grams per portion. The calculator entry is (9.6E4) ÷ (1.2E2), and its result is 8E2.

How many portions does this result represent?   portions

14.
Two weekly produce deliveries have masses of 4.2 × 10⁴ grams and 3 × 10³ grams. Eli adds the coefficients and the exponents and records 7.2 × 10⁷ grams. Explain why this method does not work, and give the correct total in scientific notation.

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