What is the length of the pencil in centimeters? Show your reasoning.

Here are the lengths of some snakes at the pet store in inches. Use the data to create a line plot.

Find the value of each sum or difference. Explain or show your reasoning.

Write the time shown on each clock.

1. _______________

2. _______________

3. _______________

Find the value of each expression.

Find the length of each pencil.

1. Partition the ruler into halves of an inch and then quarters of an inch.

   

2. What is the length of the rectangle? Explain or show your reasoning.

Here are the lengths of some pieces of pasta in inches.

The line plot shows the width of some postcards in inches.

Dot plot from 0 to 7 by ones. Hash marks by halves. Horizontal axis, postcard widths, inches. Beginning at 4 and a half, the number of X’s above each increment are 2, 5, 2, 3, 2, 1.

1. How many postcards measured inches?

2. How many postcards measured 6 inches or more?

3. How many postcards were measured for the line plot?

Here are the lengths of some straws in inches. Represent the data on a line plot.

You will need a ruler marked in inches for this problem.

1. Find an object in the classroom or at home that you think will be close to each length.

   • inches

   • 7 inches

   • 33 inches

2. Measure each object using a ruler marked in inches. Was each estimate too high, too low, or just right?

Choose a collection of objects to measure at school or at home. Show your measurement data on a line plot.