Week 15MondayMeasuring in Inches
1Warm-up: Choose the Tool

Warm-up — Circle the best tool to measure each thing: ruler or measuring tape?

the length of your pencil

ruler / measuring tape

how tall the door is

ruler / measuring tape

the side of a book

ruler / measuring tape

around your waist

ruler / measuring tape

2How to Use a Ruler

How to measure: Line up one end of the object with the 0 end of the ruler. Read the number where the object ends.

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2
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5
inches

This ruler shows 6 inches. Each big mark is 1 inch.

3Estimate First, Then Measure

Estimate First! BEFORE measuring, write your guess. Then use the ruler to measure.

Line A

My estimate: inches    Measured: inches

Line B

My estimate: inches    Measured: inches

Line C

My estimate: inches    Measured: inches


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2
3
4
5
inches
4Measure in Inches

Use the ruler to measure each line to the nearest inch.

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10
11
inches


1. inches
2. inches
3. inches
4. inches
5Word Problem

Read carefully. Think about what is happening.

Ben measured his crayon. It was 4 inches long. His marker was 6 inches long. How many inches longer is the marker than the crayon?

Draw or write your thinking:

inches longer