Math 3

Word Form

100

0.7

Seven tenths

200

1.26

One and twenty six hundredths

300

78.023

Seventy eight and twenty three thousandths

Number Form

100

Write forty two and six tenths

42.6

200

Write one hundred thirty two and three hundred forty one ten thousands

132.341

300

Write six thousand four hundred eighty two ten thousandths

0.6482

Expanded Form

100

Write 4.2 expanded

(4x1) (2x0.1)

200

Write 0.52 expanded

(5x0.1) (2x0.01)

300

Write 33.4 expanded

(3x10) (3x1) (4x0.1)

< > =

100

0.08 __ 0.8

<

200

18.01 __ 18.010

=

300

2.111 __ 2.1

>

Rounding

100

5.51 tenths

5.50

200

62.988 hundredths

62.99

300

6415.2876 tenths

6415.3

400

5974.221 hundreds

6000.0

Estimate Rounding

100

60.7+68.6

60+70=130

200

78.4-23.1

80-20=60

300

502.2+98.9

500+100=600

Estimate Front-End

100

12.78+30.66

42

200

27.44-9.39

18

300

452.999+432.211

884

Estimate Clustering

100

3.84+4.2+3.5+4.1+4

20

200

5.45+5.3942+4.9923

15

300

12.46+12.1+11.8872+12.006+11.90001+12.01

72

Add/Subtract Decimals

100

5.33+2.1

7.43

200

116.22-14.02

102.2

300

11.1+0.4567

11.5567

400

Z= 0.0123 A=0.0028

Solve: Z-A+2

2.0095