### Chapter Review

##### The Metric System

For the following exercises, determine the base unit of the metric system described: liter, gram, or meter.

1.

amount of juice in a carton

2.

weight of a puppy

3.

height of a wall

For the following exercises, choose the smaller of the two units.

4.

hectogram or centigram

5.

decameter or kilometer

6.

milliliter or deciliter

7.

Convert 236 cm to meters (m).

8.

Convert 137.5 mg to grams (g).

9.

You purchase 15 kg of birdseed. You divide the birdseed into 10 bags. How many grams of birdseed are in each bag?

10.

A track is 650 m long. If you run 8 laps around the track, how many kilometers did you run?

##### Measuring Area

For the following exercises, determine the most reasonable value for each area.

11.

bedroom floor

12 km

12 m

12 cm

12 mm

12 km

^{2}12 m

^{2}12 cm

^{2}12 mm

^{2}12.

nature preserve

800 km

800 m

800 cm

800 mm

800 km

^{2}800 m

^{2}800 cm

^{2}800 mm

^{2}13.

desk surface

0.125 km

0.125 m

0.125 cm

0.125 mm

0.125 km

^{2}0.125 m

^{2}0.125 cm

^{2}0.125 mm

^{2}For the following exercises, convert the given area to the units shown.

14.

650,000 cm

^{2}= __________ m^{2}15.

17 m

^{2}= __________ cm^{2}16.

759 cm

^{2}= __________ mm^{2}17.

A laptop is 30 cm by 20 cm. A sticker on the laptop cover measures 15 mm by 15 mm. How many square centimeters of the laptop cover is still visible?

18.

A dining room wall is 2.75 m by 2.25 m. A window on the wall is 0.75 m by 1.5 m. How many square meters is the surface of the wall?

19.

A floor is 6 m by 4 m. A rug on the floor measures 200 cm by 100 cm. How much of the floor, in m

^{2}, is not covered by the rug?20.

A ceiling is 4 m by 2.5 m. A skylight in the ceiling measures 75 cm by 80 cm. How much of the ceiling, in m

^{2}, would need to be painted if you decide to change the color of the ceiling?##### Measuring Volume

For the following exercises, determine the most reasonable value for each volume.

21.

aquarium

65,750 km

65,750 m

65,750 cm

65,750 mm

65,750 km

^{3}65,750 m

^{3}65,750 cm

^{3}65,750 mm

^{3}22.

carton of soup

94,000 L

94 L

940,000 mL

940 mL

94,000 L

94 L

940,000 mL

940 mL

23.

gift box

6,250 km

6,250 m

6,250 cm

6,250 mm

6,250 km

^{3}6,250 m

^{3}6,250 cm

^{3}6,250 mm

^{3}For the following exercises, convert the given volume to the units shown.

24.

59,837 mm

^{3}= __________ cm^{3}25.

12.5 dm

^{3}= __________ mL26.

368 cm

^{3}= __________ mm^{3}27.

A box has dimensions of 15\,{\text{cm}} \times 10\,{\text{cm}} \times 25\,{\text{cm}}. The box currently holds 1,750 cm

^{3}of black beans. How many cubic centimeters of black beans are needed to completely fill the box?28.

The dimensions of a small storage unit are 3\,{\text{m}} \times 3{\text{m}} \times 3\,{\text{m}}. What is the volume of a medium storage area with dimensions twice the size of the small unit?

29.

How much liquid, in liters, can a container with dimensions of 35\,{\text{cm}} \times 15\,{\text{cm}} \times 20\,{\text{cm}} hold?

30.

A box is 20 cm long and 15 cm wide. The volume of the box is 2,100 cm

^{3}. What is the height of the box?##### Measuring Weight

31.

What is the most reasonable estimate for the weight of a small stack of coins?

120 mg

12 g

1.2 kg

0.12 mt

120 mg

12 g

1.2 kg

0.12 mt

For the following exercises, convert the given weight to the units shown.

32.

7,900 g = __________ kg

33.

81 g = __________ mg

34.

0.12 kg = __________ g

For the following exercises, determine the total weight in the units shown.

35.

four 450 mg tablets ________ g

36.

six 45 g candy bars ________ kg

37.

seven 1.5 g buttons ________ mg

38.

A box of chocolate weighs 2.75 kg. If you share the candy bar equally with 5 friends, how many grams of chocolate does each person get?

39.

You purchase 15 tomatoes that weigh 100 grams each. If tomatoes cost $1.18 per kilogram, how much did you pay?

40.

A value-size package of ground chicken costs $23.00. The package weighs 2.5 kg. What is the cost per gram of the chicken?

##### Measuring Temperature

For the following exercises, convert the temperatures to the nearest degree.

41.

365 Â°F = __________ Â°C

42.

42 Â°C = __________ Â°F

43.

575 Â°F = __________ Â°C

44.

135 Â°C = __________ Â°F

45.

â€“20 Â°F = __________ Â°C

46.

73 Â°C = __________ Â°F

47.

The temperature of a welderâ€™s torch increases 1,112 ÂşF every 3 minutes. About how many minutes does it take for the torch to increase 1,200 ÂşC?

48.

A substance is heated to 302 ÂşF. As the substance cools the temperature drops 4 ÂşC every 3 minutes. How many minutes until the temperature of the water reaches 130 ÂşC?

49.

On November 1 the temperature was 40 ÂşF. On December 1 the temperature was 7 ÂşC. Which day was cooler?

50.

The instructions to cook lasagna say to set the oven at 475 ÂşF. To the nearest degree, what is the temperature in degrees Celsius?