FREEBIE Metric System Worksheet - Free Printable
Educational worksheet: FREEBIE Metric System Worksheet. Download and print for classroom or home learning activities.
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Step-by-step solution for: FREEBIE Metric System Worksheet
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Show Answer Key & Explanations
Step-by-step solution for: FREEBIE Metric System Worksheet
Let’s go through each problem one by one and pick the best estimate for the length or height of each object. We’ll think about real-life sizes to help us choose.
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1. The height of a Ferris wheel
Ferris wheels are tall, but not as tall as skyscrapers or mountains.
- 7 m is about 2 stories — too short for a Ferris wheel.
- 7,000 m is 7 km — that’s higher than most mountains! Way too big.
- 70 m is about 20–25 stories — that’s reasonable for a large Ferris wheel (like the London Eye is 135 m, so 70 m is plausible for a smaller one).
- 1 km = 1,000 m — way too tall.
✔ Best choice: C) 70 m
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2. The length of a carrot
Carrots are usually handheld size.
- 15 cm = about 6 inches — that’s a normal carrot length.
- 15 mm = 1.5 cm — too small, like a baby carrot piece.
- 0.5 m = 50 cm — half a meter? That’s longer than your arm — too long.
- 150 cm = 1.5 meters — ridiculous for a carrot!
✔ Best choice: A) 15 cm
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3. The length of a crayon
Standard crayons are about 3–4 inches long.
- 900 mm = 90 cm — almost a meter! Too long.
- 9 mm = less than 1 cm — tiny, like a bead.
- 90 cm = almost a meter — nope.
- 90 mm = 9 cm — about 3.5 inches — perfect for a crayon.
✔ Best choice: D) 90 mm
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4. The length of a rattlesnake
Rattlesnakes can be several feet long.
- 15 cm = 6 inches — too short for an adult rattlesnake.
- 1.5 m = about 5 feet — very reasonable for a large rattlesnake.
- 1.5 km = 1,500 meters — impossible!
- 15 m = 50 feet — way too long; even anacondas don’t get that big.
✔ Best choice: B) 1.5 m
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5. The height of a sunflower
Sunflowers can grow very tall — sometimes over 2 meters.
- 240 mm = 24 cm — about 1 foot — too short for a mature sunflower.
- 240 cm = 2.4 meters — about 8 feet — yes, some sunflowers get this tall!
- 24 m = 80 feet — taller than a house — no way.
- 2.4 km — absurd.
✔ Best choice: B) 240 cm
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6. The length of a fire truck
Fire trucks are big vehicles, but not kilometers long.
- 0.95 km = 950 meters — nearly a kilometer — way too long.
- 950 mm = 95 cm — less than a meter — too short.
- 95 m — longer than a football field — no.
- 9.5 m = about 31 feet — that’s a typical fire truck length.
✔ Best choice: D) 9.5 m
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7. The length of the Titanic
The Titanic was a huge ship, but not a kilometer long.
- 1 km = 1,000 meters — too long (actual Titanic was ~269 m).
- 5,000 m = 5 km — insane.
- 270 m — very close to actual length (269 m) — perfect.
- 5,000 mm = 5 meters — way too short.
✔ Best choice: C) 270 m
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8. The height of a 2-story house
Each story is about 3 meters, so 2 stories ≈ 6 meters.
- 600 cm = 6 meters — perfect.
- 60 m = 20 stories — too tall.
- 600 mm = 0.6 meters — knee-high — no.
- 0.6 m — same as above.
✔ Best choice: A) 600 cm
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Final Answer:
1. C) 70 m
2. A) 15 cm
3. D) 90 mm
4. B) 1.5 m
5. B) 240 cm
6. D) 9.5 m
7. C) 270 m
8. A) 600 cm
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1. The height of a Ferris wheel
Ferris wheels are tall, but not as tall as skyscrapers or mountains.
- 7 m is about 2 stories — too short for a Ferris wheel.
- 7,000 m is 7 km — that’s higher than most mountains! Way too big.
- 70 m is about 20–25 stories — that’s reasonable for a large Ferris wheel (like the London Eye is 135 m, so 70 m is plausible for a smaller one).
- 1 km = 1,000 m — way too tall.
✔ Best choice: C) 70 m
---
2. The length of a carrot
Carrots are usually handheld size.
- 15 cm = about 6 inches — that’s a normal carrot length.
- 15 mm = 1.5 cm — too small, like a baby carrot piece.
- 0.5 m = 50 cm — half a meter? That’s longer than your arm — too long.
- 150 cm = 1.5 meters — ridiculous for a carrot!
✔ Best choice: A) 15 cm
---
3. The length of a crayon
Standard crayons are about 3–4 inches long.
- 900 mm = 90 cm — almost a meter! Too long.
- 9 mm = less than 1 cm — tiny, like a bead.
- 90 cm = almost a meter — nope.
- 90 mm = 9 cm — about 3.5 inches — perfect for a crayon.
✔ Best choice: D) 90 mm
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4. The length of a rattlesnake
Rattlesnakes can be several feet long.
- 15 cm = 6 inches — too short for an adult rattlesnake.
- 1.5 m = about 5 feet — very reasonable for a large rattlesnake.
- 1.5 km = 1,500 meters — impossible!
- 15 m = 50 feet — way too long; even anacondas don’t get that big.
✔ Best choice: B) 1.5 m
---
5. The height of a sunflower
Sunflowers can grow very tall — sometimes over 2 meters.
- 240 mm = 24 cm — about 1 foot — too short for a mature sunflower.
- 240 cm = 2.4 meters — about 8 feet — yes, some sunflowers get this tall!
- 24 m = 80 feet — taller than a house — no way.
- 2.4 km — absurd.
✔ Best choice: B) 240 cm
---
6. The length of a fire truck
Fire trucks are big vehicles, but not kilometers long.
- 0.95 km = 950 meters — nearly a kilometer — way too long.
- 950 mm = 95 cm — less than a meter — too short.
- 95 m — longer than a football field — no.
- 9.5 m = about 31 feet — that’s a typical fire truck length.
✔ Best choice: D) 9.5 m
---
7. The length of the Titanic
The Titanic was a huge ship, but not a kilometer long.
- 1 km = 1,000 meters — too long (actual Titanic was ~269 m).
- 5,000 m = 5 km — insane.
- 270 m — very close to actual length (269 m) — perfect.
- 5,000 mm = 5 meters — way too short.
✔ Best choice: C) 270 m
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8. The height of a 2-story house
Each story is about 3 meters, so 2 stories ≈ 6 meters.
- 600 cm = 6 meters — perfect.
- 60 m = 20 stories — too tall.
- 600 mm = 0.6 meters — knee-high — no.
- 0.6 m — same as above.
✔ Best choice: A) 600 cm
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Final Answer:
1. C) 70 m
2. A) 15 cm
3. D) 90 mm
4. B) 1.5 m
5. B) 240 cm
6. D) 9.5 m
7. C) 270 m
8. A) 600 cm
Parent Tip: Review the logic above to help your child master the concept of metric worksheet.
