Math Decimal Review

word form

100

What is 1.678 in word form

one and six hundred seventy eight thousandths

200

What is .309 in word form

three hundred nine thousandths

300

What is 32.1 in word form

thirty two and one tenth

400

What is three thousand forty two and 2 hundreds in decimal form?

3,042.02

500

What is twenty one and four hundred thirty six thousandths in number form

21.436

expanded form

100

What is this number?

50,000+1,000+100+30+2

51,132

200

What number is this?

5x10 + 3x1 + 4 x 1/10+ 2 x 1/1000

53.42

300

What number is this?

9x100 + 2x1 + 1x1/10 

902.1

400

What does this number look like in expanded form?

37.134

30x10 + 7x1 + 1x 1/10 + 3 x 1/100 + 4 x 1/1000

500

What does this number look like in expanded form?

.98

9x1/10 + 8x1/100

great than less than

100

Which is greater?

4.03   or   4.30

4.30

200

Which is greater?

.973  or   .97

.973

300

Which is greater?

10.101 or 10.100

10.101

400

Which is greater?

.001  or  .01

.01

500

Which is greater?

3.06  or  3.060

They are equal

rounding

100

Round to the nearest whole number 

32.01

32

200

Round to the nearest tenth

32.32

32.3

300

Round to the nearest hundredth

32.321

32.32

400

Round to the nearest thousandths

32.3232

32.323

500

Round to the nearest tenth

32.93

32.9

addition/subtraction

100

1- .6

.4

200

32- .98

31.02

300

18.10-16.3

1.8

400

37.06+42

79.06

500

0.01+3

3.01