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Extra Practice 3.1 Systems of Measurement
Extra Practice 3.2 Converting Measurements
Extra Practice 3.3 Surface Area
Extra Practice 3.4 Volume
Answer Key
3.1 – Systems of Measurement
1)
a. 53.6 cm
b. 43.6 cm
c. 7.6 m
2) 780 cm
3) 240 m
4) 122 ft
5) 33.3 m
6) 104 m
7) 1100 cm
8) 13.5 feet of 2 by 4, 52.5 feet of 2 by
2
9) 12 feet
10) 740 boards
11) No they wouldn’t fit
12) 19 geraniums
13) Barely fit
3.2 – Converting Measurements
1) 760 ft2
2) 2.5 m, so yes it will fit
3) 141.5 cm2
4) 20.3 by 10.2 cm
5) $2227.14
6)
a) $28.56
b) $31.23
c) $121.80
7) Omit
8)
a) 27 boxes
b) $511.65
9) OMIT
3.3 – Surface Area
1) 468 in2
2) 66 ft2
3) 11305 in2
4)
a) 961.3 in2
b) 6.7 ft2
5) 149.3 in2
6) 1.4 ft2
7) 374 ft2
8) 214 in2
9) OMIT
10) $1234.80
11) $1312.85
12) $179.70
3.4 Volume
1)
a) 12960 in3
b) 7.5 ft3
2) 11.25 ft3
3) No
4) 3 bags
5) 7.5 ft3 of hay
6) 4446 in3
7)
a) 14.5 gal
b) $43.36
c) $120.29
8) 2667.5 ft3
9) 6 ft 2 in