Decimal Point Unit 3

Adding

100

2.0+3.2

5.2

200

3.14+6.09

9.23

300

10.18+15.07

25.25

400

14.3+2.78

17.08

500

7896.459+28978.35

36874.809

Subtracting

100

1.o-.8

.2

200

21.6-14.5

7.1

300

211.7-109.50

202.2

400

2119.5-1789.9

329.6

500

63967.473-12574.584

51392.889

Measurements

100

784 kilograms=  ? grams

784000

200

34 grams = ? kilograms

.034

300

6.2 grams = 

62000

400

10,500 grams = ? kilograms

10.5

500

100 milliliters = 

.1

Rounding

100

round 1.2 to the nearest whole number

1

200

round 1.52 to the nearest 10th

1.5

300

round 107.63 to the nearest whole number

108

400

round 1189.632 to the nearest hundredth

1189.63

500

round 112789.6758 to the nearest thousandths

112789.676

Expanded Form

100

write 3.1 in expanded number form

(3x1) and (1/10th)

200

write 26.72 in expanded number form

(2x10) + (6x1) + (7 x 1/10) + (2x1/100)

300

write 376.24 in expanded word form

Three hundred seventy-six and twenty-four hundredths

400

write 201.24 in expanded word form

two hundred one and twenty-four hundredths

500

write 124730.789 in expanded number form

(1x100000) + (2x10000) + (4x1000) + (7 x 100) + (2x10) + (0x1) + (7x1/10) + (8x 1/100) + (9 x 1/1000)