Practice and Review

6 m 6 m 6 m 6 + 6 + 6 = 18 m

27 mm 6.5 mm 2 1 27 6.5 + 6.5 67.0 mm

3 cm 2.5 cm 1 cm 2 cm 1 + 2 + 2.5 + 3 = 8.5 cm

Fact Review

12 − 4 = 8

99 ÷ 9 = 11

8 × 7 = 56

110 ÷ 11 = 10

16 − 9 = 7

2 × 5 = 10

48 ÷ 8 = 6

6 × 7 = 42

63 ÷ 7 = 9

18 − 9 = 9

13 − 7 = 6

2 + 11 = 13

6 × 5 = 30

5 + 3 = 8

15 − 7 = 8

8 + 8 = 16

96 ÷ 8 = 12

4 + 7 = 11

3 + 4 = 7

12 × 9 = 108

The Statue of Liberty is 46 m 5 cm tall from her feet to the top of the torch. The pedestal is 46 m 94 cm high. What is the overall height including the pedestal? The Statue of Liberty is 46 m 5 cm tall from her feet to the top of the torch. The pedestal is 46 m 94 cm high. What is the overall height including the pedestal? The Statue of Liberty is 46 m 5 cm tall from her feet to the top of the torch. The pedestal is 46 m 94 cm high. What is the overall height including the pedestal? The Statue of Liberty is 46 m 5 cm tall from her feet to the top of the torch. The pedestal is 46 m 94 cm high. What is the overall height including the pedestal?

1 46 m 5 cm + 46 m 94 cm 9 2 m 9 9 cm 1 46.05 + 46.94 9 2 . 9 9 m

1 37 m 52 cm + 9 m 57 cm 4 6 m 1 9 cm 47 m 9 cm 1 1 37.52 + 9.57 4 7 . 9 m

The Statue of Liberty is 33 m 86 cm tall from her feet to the top of her head. The entire statue is 46 m 5 cm tall. How much height is added to the statue by the upraised arm and torch? The Statue of Liberty is 33 m 86 cm tall from her feet to the top of her head. The entire statue is 46 m 5 cm tall. How much height is added to the statue by the upraised arm and torch? The Statue of Liberty is 33 m 86 cm tall from her feet to the top of her head. The entire statue is 46 m 5 cm tall. How much height is added to the statue by the upraised arm and torch? The Statue of Liberty is 33 m 86 cm tall from her feet to the top of her head. The entire statue is 46 m 5 cm tall. How much height is added to the statue by the upraised arm and torch?

9 10 15 5 105 46 m 5 cm − 33 m 86 cm 1 2 m 1 9 cm 9 5 10 15 46.05 − 33.86 1 2 . 1 9 m

3 17 47 m 38 cm − 18 m 24 cm 2 9 m 1 4 cm 3 17 47.38 − 18.24 2 9 . 1 4 m

Mount Everest in Nepal is the highest mountain above sea level Mount Everest in Nepal is the highest mountain above sea level. Its elevation is 8848 m. The elevation of Mount Kilimanjaro in Africa is 5895 m. How much higher is the elevation of Mount Everest than Mount Kilimanjaro? Mount Everest in Nepal is the highest mountain above sea level. Its elevation is 8848 m. The elevation of Mount Kilimanjaro in Africa is 5895 m. How much higher is the elevation of Mount Everest than Mount Kilimanjaro? Mount Everest in Nepal is the highest mountain above sea level. Its elevation is 8848 m. The elevation of Mount Kilimanjaro in Africa is 5895 m. How much higher is the elevation of Mount Everest than Mount Kilimanjaro? Mount Everest in Nepal is the highest mountain above sea level. Its elevation is 8848 m. The elevation of Mount Kilimanjaro in Africa is 5895 m. How much higher is the elevation of Mount Everest than Mount Kilimanjaro?

17 7 7 14 8848 m − 5895 m 2 9 5 3 m

Mount Everest in Nepal is the highest mountain above sea level Mount Everest in Nepal is the highest mountain above sea level. Its elevation is 8848 m. The elevation of Mount Kilimanjaro in Africa is 5895 m. How much higher is the elevation of Mount Everest than Mount Kilimanjaro?

Mount Everest 8848 m 9 km = 8.848 km Mount Kilimanjaro 5895 m 6 km = 5.895 km

millibar millibar 1 1000

millibar 1000 millibars = 1 bar

Jill is planning a 150-mile flight Jill is planning a 150-mile flight. She checks the barometer and records the air pressure as 1.008 bars. Three hours later, she checks the barometer again and records the air pressure as 1007 millibars.

1.008 bars × 1000 = 1008 millibars 1008 millibars − 1007 millibars 1 millibar

Bobby got a barometer for his birthday Bobby got a barometer for his birthday. He checks it each morning when he gets up. Friday morning the barometer indicated the air pressure was 1011 millibars. Saturday morning it was 983 millibars.

9 10 10 11 1011 millibars − 983 millibars millibars 2 8

Javier flies a C-130 into a hurricane in order to get important information about the storm. He finds that the approaching hurricane has a barometric pressure of 0.923 bars. When he took off from the airport, the air pressure was 1.006 bars.

1.006 bars − 0.923 bars bars 0.0 8 3 0.083 × 1000 = 83 millibars 9 10 10 10 1.006 bars − 0.923 bars bars 0.0 8 3 0.083 × 1000 = 83 millibars

Gene is a meteorologist for a local television station Gene is a meteorologist for a local television station. As he prepares for the evening news, he notes that the air pressure has gone from 998 millibars to 1003 millibars.

9 9 10 10 13 1003 millibars − 998 millibars millibars 5

Proverbs 22:3 A prudent man foreseeth the evil, and hideth himself: but the simple pass on, and are punished.

2 The Statue of Liberty’s old emergency elevator was 64.5 meters high. A new elevator, installed during the statue’s renovation in the 1980s, is 29 meters high. How much shorter is the new elevator than the old one?

2 5 14 64.5 − 29 35.5 meters

2 The Statue of Liberty’s old emergency elevator was 64.5 meters high. A new elevator, installed during the statue’s renovation in the 1980s, is 29 meters high. How much shorter is the new elevator than the old one? 35.5 meters

3 Each eye of the Statue of Liberty is 0.76 meters wide. What is the width of both eyes? 1 1 0.76 + 0.76 1.52 meters

4 Each of the rays on the Statue of Liberty’s crown has a mass of 68.04 kilograms. What is the mass of all 7 rays? 5 2 68.04 × 7 476.28 kilograms

11 27 m 84 cm + 41 m 93 cm 68 m 177 cm 69 m 77 cm =

12 12 4 1250 5 L 250 mL − 1 L 500 mL 3 L 750 mL

17 8 L 163 mL + 2 L 515 mL 10 L 678 mL

18 10 2 11 15 15 kg 315 g − 5 kg 198 g 10 kg 117 g