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inchcalculator.com12 inch / 30 cm rulerUS Letter

March 30 Name Date Objective: Solve addition and subtraction word problems using the ruler as a number line. Bill the frog jumped 7 centimeters less than Robin the frog. Bill jumped 55 centimeters. How far did Robin jump?

1. Use the ruler below to draw one line that begins at 2 cm and ends at 12 cm. Label that line

R. Draw another line that begins at 5 cm and ends at 11 cm. Label that line S.

a. Add 3 cm to Line R and 4 cm to Line S.

b. How long is Line R now? ______ cm

c. How long is Line S now? ______ cm

d. The new Line S is _____ cm (shorter/longer) than the new Line R.

2. An ant walked 12 centimeters to the right on the ruler and then turned around and walked

5 centimeters to the left. His starting point is marked on the ruler. Where is the ant

now? Show your work on the broken ruler.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

3. All the parts of the path below are equal length units.

a. Fill in the empty boxes with the lengths of each side.

b. The path is _____ length units long.

c. How many more parts would you need to add for the path to be 21 length units

long?

_____ parts

4. The length of a picture is 67 centimeters. The width of the picture is 40

centimeters. How many more centimeters is the length than the width?

3

March 31

Students will measure the length of an object using a whole

number of nonstandard units of measure.

Compare Kim’s and Nadia’s measurments. Are they the same?

I think different units can be used to meaure

because____________________________________________________________

__________________________________________________________________.

Which is longer, 1 foot or 12 inches? I think measuring in smaller units is different

than measuring in larger units

because___________________________________________________________.

Why would you measure something in feet instead of inches? Why would you

measure something in inches instead of feet?

April 1

Students will be able to estimate length in inches, centimeters and

feet. Students will be able to solve problems using measurement.

1. Use the inch ruler. Measure the length of your shoe to the

nearest inch. ___________________inches

2. Jasmine has a jump rope that is 84 inches long. Marie’s is

13 inches shorter than Jasmine’s. What is the length of

Marie’s jump rope?

3. Mr. Ramos has knitted 19 inches of a scarf he wants to be

1 yard long. How many more inches of scarf does he need

to knit?

4. In the 100-yard race, Jackie has run 76 yards. How many

more yards does she have to run?

5. Frankie has a 64-inch piece of rope and another piece that

is 18 inches shorter than the first. What is the total length

of both ropes?

2.

Estimate the length of the ribbon. The ribbon is about

_________________inches long.

3. Use the ruler to measure the length of the ribbons. What is

the actual length? ______________inches long.

April 2

Students will be able to use different units to estimate lengths.

1. Estimate the length of your pencil in inches. Write the

estimate. ___________________________

Measure the length of your pencil in inches. Write the length.

Explain why you might estimate the length instead of measuring

it?______________________________________________

2. Use the quarter to estimate the length of the gray bar.

The gray bar is about ________ inches long.

Use an inch ruler to find the actual length of the gray bar.

The actual length is ________ inches

3. Use the paper clip to estimate the length of the gray bar.

The gray bar is about ________ centimeters long.

Use a centimeter ruler to find the actual length of the gray bar.

The actual length is ________ centimeters. Use the paper clip to estimate the length of the cups.

4.

The cups are about ________ centimeters long.

Use a centimeter ruler to find the actual length of the cups.

The actual length is ________ centimeters

April 3

Students will be able to compare the lengths of objects by

determining which measure is greater than or less than the

other. Students will use addition and subtraction to compare

lengths.

1. Use a centimeter ruler.

Find the length of a marker to the nearest centimeter.

Find the length of a sheet of paper to the nearest centimeter.

2.

Look Back

Explain how to find the difference between the length of

the spoon and the length of the fork in centimeters.

3. Use a centimeter ruler to measure the button and the piece of tape.

________ centimeters ________ centimeters

Complete the equation to compare the lengths.

________ − ________ = ?

How much longer is the piece of tape than the button?

________ centimeters

4. Use a centimeter ruler to measure the pencil and the string.

________ centimeters _________ centimeters

Complete the equation to compare the lengths.

________ − ________ = ?

How much longer is the pencil than the string?

________ centimeters

5. Use a centimeter ruler to measure the toy sneaker and the ribbon.

________ centimeters _________ centimeters

Complete the equation to compare the lengths.

________ − ________ = ?

How much longer is the ribbon than the toy sneaker?

________ centimeters