Decimal Place Value
Expanded Form
Place Value Name
Rounding
Find the sum or difference
100

What is the place value of 5?

4.5

five tenths or .5

100

Write the number in expanded form.

46.45

40x1 + 6x1 + 4 x (1/10) + 5 x (1/100)

100

What is the place value of 3?

12.340

tenths

100

Round to the nearest tenths.

2.923

2.9

100

8.98 + 1.28 + 6.36 = 

16.62

200

What is the place value of 3?

9.030

three hundredths or .03

200

Write the number in expanded form.

147.52

100x1 + 40x1 + 7x1 + 5x(1/10) + 2 x (1/100)

200

What is the place value of 0?

123,409

tens

200

Round to the nearest whole number.


11.808

12


200

3.3 + 2.1 + 4.5 + 7.3 = 

17.2

300

What is the value of 9?

 112.109

nine thousandths or .009

300

Write the number in expanded form.

21,167.5

20,000x1 + 1,000x1 + 100x1 + 60x1 + 7x1 + 5x(1/10)

300

What is the place value of 1?

1,432,500

Millions

300

Round to the nearest hundredths.

1.977

1.98

300

$12.75 + $6.25 + $4.71 = 

$23.71

400

What is the value of 7?

35.447

seven thousandths or .007

400

Write the number in expanded form.

179,105.98

100,000x1 + 70,000x1 + 9,000x1 + 100x1 + 5x1 + 9x(1/10) +  8x(1/100)

400

What is the place value of 6?

423,578.896

 Thousandths

400

Round to the nearest hundreds.

382.139

400

400

In the 2004 Olympics, the gold medalist for the men's long jump had a jump of 8.59 meters. In 2008, the gold medalist for the men's long jump had a jump of 8.34. How much farther did the 2004 gold medalist jump compared to the 2009 gold medalist? 


0.25 meters

500

What is the place value of 7?

37.81

500

Write the number in expanded form.

341,870.672

300,000x1 + 40,000x1 + 1,000x1 + 800x1 + 70x1 + 6x(1/10) + 7x(1/100) + 2x(1/1000)

500

What is the place value of 7?

1.007

 Thousandths

500

Round to the nearest hundredths THEN order the numbers from least to greatest. 

1.567; 1.449; 1.744; 1.517


1.45; 1.52; 1.57; 1.74

500
Jayden bought a video game for $69.78. He paid with a $100 bill and received $26.73 in change. How much was the sales tax? 

$3.49

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