Unit 1 Review

x and ÷ by 10, 100, 1000

100

6 x 10

60

200

32 ÷ 100

0.32

300

4.21 x 100

421

400

3.1 ÷ 1000

.0031

500

65.2 x 1000

65200

Exponents

100

3 x 10² 

300

200

2.48 x 10³

2480

300

.347 x 10³

347

400

21.6  ÷ 10⁴

0.00216

500

10 x 10 x 10 is 10 to the power of ____

10³

Comparing & Ordering Decimals

100

13.196 () 13.296

<

200

0.8 () 0.76

>

300

13.006 () 13.06

<

400

Order the numbers in increasing order:

3.04, 0.45, 0.54, 3.41

0.45, 0.54, 3.04, 3.41

500

Place the numbers in decreasing order:

6.43, 6.3, 6.44, 6.33

6.44, 6.43, 6.33, 6.3

Writing Decimals

100

two and five tenths in standard form

2.5

200

6/100 in standard form

.06

300

24.16 in word form

twenty-four and sixteen hundredths

400

367.94 in expanded form

(3x100)+(6x10)+(7x1)+(9x.1)+(4x.01)

300+60+7+.9+.04

500

37.645 in unit form

3 tens 7 ones 6 tenths 4 hundredths 5 thousandths

Rounding

100

14.64 to the tenths

14.6

200

0.751 to the hundredths

0.75

300

17.96 to the nearest whole number

18

400

26.199 to the ones

26

500

45.869 to the hundredths

45.87