Unit 8 Review

Look at the key and the ruler.

What is the length of the key in centimeter ?

___ _____

Which statements below are true about the measurements of the objects?

• The flat-brush is 12 centimeters longer than the paintbrush.

• The flat-brush is 3 centimeters shorter than the paintbrush.

• The paintbrush and flat-brush are 19 centimeters long.

• The paintbrush is 4 centimeters longer than the flat-brush.

• The paintbrush is 3 centimeters longer. Than the flat-brush.

Sarah and Layla are comparing the length of their hair. Sarah’s hair is 28 inches long. Layla’s hair is 11 inches long.

How much longer is Sarah’s hair than Layla’s hair?

​ (a)   Inches

• 17
• 39
• 7
• 27
• 29

What is the perimeter of the figure?

____ meters

Which is the best tool to use to measure the length of a mural at the mall?

• Ruler

• Yardstick

• Measuring tape

• Scale

Josh is decorating the perimeter of a rectangular picture frame with ribbon. Each square is 1 unit. Count the unit squares to determine the perimeter of the picture frame ?

• 35 units

• 16 units

• 28 units

• 40 units

Look at the shelf and the rulers.

What is the length of the shelf in feet ?

___ foot

The length of the paper clip is ​ (a)   inches. The length of the marker is ​ (b)   inches. The marker is ​ (c)   inches longer than the paper clip.

• 4
• 10
• 6
• 12
• 9
• 1

Laura used 17 centimeters of ribbon to make a headband. Then , she used 56 centimeters of ribbon to make a belt. In total, how many centimeters of ribbon did Laura use ?

___ ______

Which unit would you use to measure the length of an eraser ?

• Meters

• Centimeters

• Feet

• Yards