Working with units

Jan wants to make ribbons for her friends.  She needs 30 inches of ribbon.  She has 4 feet of ribbon.  How many inches of ribbon does she have? Is that enough to make ribbons for her friends?

• 48 inches; no
• 48 inches; yes
• 34 inches; no
• 34 inches; yes

What will the resulting units be?

• inches

• feet

• meters/ft

• inches/ft

Jessica is measuring two line segments. The first line segment is 30 cm long. The second line segment is 500 mm long. How long are the two line segments together? (answer in cm)

• 80 cm

• 800 cm

• 800 mm

• 80 mm

A car travels at a rate of 120 kilometers per hour. If 1 mile equals 1.6 kilometers, which equation could be used to find the number of miles the car travels per hour?

• $\frac{120\ km}{1.6\ km}=\frac{1\ mi}{x\ mi}$

• $\frac{120\ km}{1\ km}=\frac{1.6\ mi}{x\ mi}$

• $\frac{1.6\ km}{1\ mi}=\frac{x\ mi}{120\ km}$

• $\frac{1.6\ km}{1\ mi}=\frac{120\ km}{x\ mi}$

Main street is 2.6 km long. There are 13 sets of stop signs on Main street, each the same distance apart. How many meters apart are the stop signs?

• 20 meters

• 50 meters

• 200 meters

• 500 meters

Cinnamoroll uses 18 inches of ribbon per decorative box. If he needs to make 6 boxes, how much ribbon in feet, will Cinnamoroll need to buy?

• 108 feet

• 9 feet

• 12 feet

• 8 feet

Mary buys a reel of thread for sewing. There are 10 m of thread on the real. She uses 210 cm. How much is left on the reel in centimeters?

• 220 cm

• 200 cm

• 1000 cm

• 790 cm

A roll of wire holds 3 meters of wire. About how many inches of wire does the roll hold?

• 0.076 inches

• 0.915 inches

• 10.98 inches

• 118.11 inches

Carlos has a 1.2 meter long piece of wood. He wants to cut it into 3 equal lengths. How long should each piece be in millimeters?

• 40mm
• 400mm
  400mm
• 4,000mm
• 40,000mm

Convert 46 feet and 6 inches into meters and centimeters.

1 ft = 12 in; 1 ft = 0.3048 m; 1 m = 100 cm

• 14.2 m

• 14 m and 1.73 cm

• 14 m and 17.3 cm

• 14 m and 0.173 cm