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# EXAM 1 Study Aids or… Think, Multiply, Divide, Conquer - PowerPoint PPT Presentation

EXAM 1 Study Aids or… Think, Multiply, Divide, Conquer. Conversion Factors. Every Conversion Factor can be Written Three Different Ways. Convert Miles to Kilometers. Given 1 in. = 2.54 cm. Convert Miles to Kilometers. Given 1 in. = 2.54 cm Calculate how many cm are in 1 foot.

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Study Aids

or…

Think, Multiply, Divide, Conquer

Every Conversion Factor can be Written Three Different Ways

epw 9/17/2008

Given 1 in. = 2.54 cm

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

1 ft = 12 in.

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

1 ft = 12 in.

1 ft = 12 in. x 2.54 cm

1 in.

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

1 ft = 12 in.

1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

1 ft = 12 in.

1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

1 mile = ???? ft

epw 9/17/2008

Given 1 in. = 2.54 cm

Calculate how many cm are in 1 foot

1 ft = 12 in.

1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

1 mile = 5280 ft

epw 9/17/2008

• Given 1 in. = 2.54 cm

• Calculate how many cm are in 1 foot

• 1 ft = 12 in.

• 1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

• 1 mile = 5280 ft x 30.48 cm

ft

epw 9/17/2008

• Given 1 in. = 2.54 cm

• Calculate how many cm are in 1 foot

• 1 ft = 12 in.

• 1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

• 1 mile = 5280 ft x 30.48 cm = 160934.4 cm

ft

epw 9/17/2008

• Given 1 in. = 2.54 cm

• Calculate how many cm are in 1 foot

• 1 ft = 12 in.

• 1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

• 1 mile = 5280 ft x 30.48 cm = 160934.4 cm

ft

• Now convert 160934.4 cm to km

epw 9/17/2008

100 cm = 1 m

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m 1 km = 1

1000 m

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m 1 km = 1

1000 m

160934.4 cm x 1 m

100 cm

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m 1 km = 1

1000 m

160934.4 cm x 1 m

100 cm

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m 1 km = 1

1000 m

160934.4 cm x 1 m x 1 km =

100 cm 1000 m

epw 9/17/2008

100 cm = 1 m 1 m = 1

100 cm

1 km = 1000m 1 km = 1

1000 m

160934.4 cm x 1 m x 1 km = 1.6093 km

100 cm 1000 m

epw 9/17/2008

• Given 1 in. = 2.54 cm

• Calculate how many cm are in 1 foot

• 1 ft = 12 in.

• 1 ft = 12 in. x 2.54 cm = 30.48 cm

1 in.

• 1 mile = 5280 ft x 30.48 cm = 160934.4 cm

ft

•  1 mile = 1.6093 km

epw 9/17/2008

epw 9/17/2008

1 mi = 1.6093 km

epw 9/17/2008

1 mi = 1.6093 km

(1 mi)2 = (1.6093 km)2

epw 9/17/2008

1 mi = 1.6093 km

(1 mi)2 = (1.6093 km)2

1 mi2 = 2.5898 km2

epw 9/17/2008

1 mi = 1.6093 km

(1 mi)2 = (1.6093 km)2

1 mi2 = 2.5898 km2

One square mile is 2.5898 square kilometers

epw 9/17/2008

1 acre is 43,560 square feet

epw 9/17/2008

1 acre is 43,560 square feet

How many acres are in a square mile?

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

1 = 1 acre

43,560 ft2

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

1 mi. = 5280 ft

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2

epw 9/17/2008

• 1 acre is 43,560 square feet

• How many acres are in a square mile?

• 3 ways to write the conversion factor

1 acre = 43,560 ft2

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

epw 9/17/2008

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

epw 9/17/2008

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

epw 9/17/2008

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

1 mi2 = 27,878,400 ft2 x 1 acre

43,560 ft2

epw 9/17/2008

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

1 mi2 = 27,878,400 ft2 x 1 acre

43,560 ft2

epw 9/17/2008

1 = 1 acre 1 = 43,560 ft2

43,560 ft2 1 acre

(1 mi.)2 = (5280 ft)2 = 52802 ft2 = 27,878,400 ft2

1 mi2 = 27,878,400 ft2 x 1 acre = 640 acres

43,560 ft2

epw 9/17/2008