Topic 1 Review

Decimals to Fractions

100

0.08

8/100

200

0.9

9/10

300

0.005

5/1000

400

0.3

3/10

500

0.004

4/100

Exponents

100

5x10⁵ is equal to what number

500,000

200

write 400 in exponent form 

4x10²

300

7x10³ in standard form 

7,000

400

Write 40,000 using exponents 

4x10⁴

500

4x10⁴

40,000

Expanded Form

100

5467

5x1000+4x100+6x10+7x1

200

3.45

3x1+4x1/10+5x1/100

300

40.7

4x10+7x1/10

400

20.245

2x10+2x1/10+4x1/100+5x1/1000

500

4.67

4x1+6x1/10+7x1/100

Word Form

100

7895

seven thousand eight hundred ninety five

200

32.43

thirty two and forty three hundredths 

300

2.676

two and six thousand seventy six thousandths

400

2.4

two and four tenths

500

7.05

seven and 5 hundredths

Rounding

100

Round 9.56 to the nearest tenth

9.6

200

Round 8.74 to the nearest whole number

9

300

Round 9.432 to the nearest hundredth 

9.43

400

Round 7.732 to the nearest tenth 

7.7

500

Round 3.42 to the nearest whole number 

3