Measurement and Data: Estimating Length 2.MD.3 Facts & Worksheets ... - Free Printable

Let's solve this "Estimating Length" activity step by step.

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🔍 Objective:

Classify each item (A–L) into the appropriate unit of measurement:
- Centimeters (cm) – for smaller objects
- Meters (m) – for larger objects

We are to write the letter of each item in the correct column based on its size.

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✔ Step-by-step Analysis:

#### A. Smartphone
- Size: About 15 cm tall
- ✔ Centimeters (cm)

#### B. Statue of Liberty
- Very tall – over 90 meters
- ✔ Meters (m)

#### C. Car
- Typically 4–5 meters long
- ✔ Meters (m)

#### D. Elephant
- Large animal, about 3–4 meters long
- ✔ Meters (m)

#### E. Notebook
- Standard size: ~20–30 cm
- ✔ Centimeters (cm)

#### F. Basketball
- Diameter around 24 cm
- ✔ Centimeters (cm)

#### G. Camera
- Handheld device, about 10–15 cm
- ✔ Centimeters (cm)

#### H. Pyramid
- Very tall structure (e.g., Great Pyramid is ~146 m)
- ✔ Meters (m)
> Already given in the answer key: H → meters

#### I. Envelope
- Small, about 20–30 cm
- ✔ Centimeters (cm)

#### J. Butterfly
- Wingspan usually a few centimeters (e.g., 5–10 cm)
- ✔ Centimeters (cm)

#### K. Basketball Court
- Standard court is about 28 meters long
- ✔ Meters (m)

#### L. Ferris Wheel
- Very large; typically 50–100+ meters tall
- ✔ Meters (m)

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📊 Final Classification:

| Centimeters (cm) | Meters (m) |
|------------------|------------|
| A, E, F, G, I, J | B, C, D, H, K, L |

> Note: The answer key already has H under meters — which is correct.

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✔ Final Answer:

Centimeters (cm):
A, E, F, G, I, J

Meters (m):
B, C, D, H, K, L

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This classification helps students understand real-world scale and appropriate units for measuring length.