Which unit of measure? | 1st grade, 2nd grade Math Worksheet ... - Free Printable

Let's solve the problem step by step based on the image you described. The worksheet is titled "Appropriate units of measure" and has three sections, each asking which unit would be most appropriate for measuring a specific attribute (length or weight) of various items.

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Section 1: Measure the length of each item

We are to choose the correct unit (inches, miles, pounds, quarts) to measure the length of the given items.

#### Item: A paperclip
- Possible choices: inches, miles, pounds, quarts
- A paperclip is very small.
- Inches are used for small lengths.
- Miles are for long distances (like between cities).
- Pounds measure weight.
- Quarts measure volume/liquid capacity.

✔ Correct answer: inches

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Section 2: Measure the weight of each item

Now we're choosing the best unit to measure weight.

#### Item: A pencil
- Choices: inches, miles, ounces, pounds
- Inches and miles are for length — not weight.
- A pencil is light but not extremely light like a feather.
- Ounces are used for small weights (e.g., food, small objects).
- Pounds are for heavier things (like a person or a bag of sugar).

✔ Correct answer: ounces

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#### Item: A dog
- Choices: inches, pounds, quarts, ounces
- Inches and quarts are not for weight.
- A dog is heavy — much heavier than a pencil.
- Pounds are appropriate for animals like dogs.
- Ounces are too small (a dog weighs many ounces, but pounds are more practical).

✔ Correct answer: pounds

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Section 3: Measure how much liquid each container holds

Now we’re measuring capacity (how much liquid something can hold).

#### Item: A box (likely a juice box or milk carton)
- Choices: tons, inches, pints, pounds
- Tons and pounds are for weight.
- Inches are for length.
- Pints are units of liquid volume.
- A small juice box holds about 8 oz or 0.5 pint — so pint is appropriate.

✔ Correct answer: pints

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#### Item: A large jug (like a water cooler or gallon jug)
- Choices: miles, inches, ounces, gallons
- Miles and inches are for length.
- Ounces are too small for a large container.
- Gallons are used for large amounts of liquid (e.g., a gallon of milk).

✔ Correct answer: gallons

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✔ Final Answers:

Length:
- Paperclip → inches

Weight:
- Pencil → ounces
- Dog → pounds

Capacity (liquid):
- Small box → pints
- Large jug → gallons

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📌 Explanation Summary:

- Use inches for small lengths (paperclip).
- Use ounces for light objects (pencil), pounds for heavier ones (dog).
- Use pints for small liquid volumes, gallons for large ones.
- Avoid using units meant for different measurements (e.g., don’t use "miles" for weight or "quarts" for length).

This worksheet teaches unit selection based on real-world context — a key skill in measurement!