Unit 3, Lesson 8
What Is an Inch?
Grade 2
Warm-up
What do you notice? What do you wonder?
Activity 1
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Find 2 items that are about an inch long.
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________________________________________
- ________________________________________
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- Measure the length of each object.
| object to measure | length in inches |
|---|---|
| marker | |
| colored pencil | |
| 11 connecting cubes | |
| a book | |
| your choice objects: | |
Activity 2
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Here is a rectangle.
Estimate the length of the long side of the rectangle. Use inches.
Estimate: ____________ in
Measure the long side of the rectangle. Use inches.
Actual length: ____________ in
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Here is a square.
Estimate the length of 1 side of the square. Use inches.
Estimate: ____________ in
Measure 1 side of the square. Use inches.
Actual length: ____________ in
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Here is a triangle.
Estimate the length of the longest side of the triangle. Use inches.
Estimate: ____________ in
Measure the longest side of the triangle. Use inches.
Actual length: ____________ in