Measuring Matters Activity 1.3 PLTW Fast & Curious

What unit of measurement do these sketches use?

• Inches

• Use of fractions

• Centimeters

• Use of decimals

How long is the main body? (the horizontal dimension)

• 3 in.

• 4 in

• 11 in

• 11 1/2 in

How wide is the unfolded main body? (the vertical dimension in the figure)

• 11 in

• 4 in

• 3 in

• 1/2 in

How wide will the main body be after folding along the dotted lines?

• 11 in

• 4 in

• 3 in

• 1/2 in

In the air scoop sketch, what do the 1/8 dimensions represent?

• the dimensions represent height, width, & length

• the distance in inches

• the distance in centimeters

• the distance between the top corners of the air scoop and the dotted lines

In the air scoop, what do the 3/8 dimensions represent?

• the distance between the sides of the main body and the dotted lines

• the distance between the bottom corners of the air scoop and the dotted lines

• the distance between the top corners of the air scoop and the dotted lines

• the distance between the sides of the air scoop and the dotted lines

Look at the linking cube in Figure 5. What is the correct measurement?

• 1/2 in

• 3/4 in

• 12/16 in

• 1/4 in

Look at the linking cube in Figure 6. What is the correct measurement?

• 1.5 cm

• 2 cm

• 1.8 cm

• 1.9 cm

US Customary system uses what unit of measurement?

• inches

• centimeters

• finger tip length

• arms length

Metric system uses what unit of measurement?

• inches

• centimeters

• finger tip length

• arms length