9.4 Measuring Weight

Grams, kilograms, and metric tons: picking the sensible unit for an object, converting among them, and dosage or shipping calculations.

Contemporary Mathematics, 9.4 Measuring Weight

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9 exercises

9.4 Exercise 1

Which is the more reasonable value for the weight of a newborn baby:

3.5 kg or
3.5 g?

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9.4 Exercise 3

Which of the following represents a reasonable value for the weight of three lemons?

250 g,
2,500 g, or
250 kg?

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9.4 Exercise 5

The blue whale is the largest living mammal on Earth. Which of the following is a reasonable value for the weight of a blue whale: 149 g, 149 kg, or 149 mt? Explain your answer.

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9.4 Exercise 7

How many kilograms are in 24,300,000 milligrams?

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9.4 Exercise 9

The average ostrich weighs approximately 127 kilograms. How many grams does an ostrich weigh?

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9.4 Exercise 11

How many milligrams are there in 0.025 kilograms?

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9.4 Exercise 13

The maximum weight for a child to safely use a car seat is 29 kilograms. If a child weighs 23,700 grams, can the child safely use the car seat?

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9.4 Exercise 15

A recipe for scones calls for 350 grams of flour. How many kilograms of flour are required to make 4 batches of scones?

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9.4 Exercise 17

The average tomato weighs 140 grams. A farmer needs to order boxes to pack and ship their tomatoes to local grocery stores. They estimate that this year’s harvest will yield 125,000 tomatoes. A box can hold 12 kilograms of tomatoes. How many boxes does the farmer need?

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