Week 8 Rounding and Decimals

Decimal Place Values

100

What is the Place Value(s) of the 8?

2.18

Hundredths

200

What is the expanded form of 25.365

20 + 5 + 3/10 + 6/100 + 5/1000

or 

20 + 5 + 365/1000

300

What is the Value(s) of the 6?

1.620

6/10

six-tenths

400

What is the Expanded Form of 147.65

100 + 40 + 7 + 6/10 + 5/100

or 

100 + 40 + 7 + 65/100

500

What is the Value(s) of the 1 in 1.01?

1 and 1/100

or

1 and one-hundredths

Rounding Whole Numbers

100

Round to the Tens Place.

45,778

45,780

200

Round to the Hundreds Place?

846

800

300

Round to the Thousands Place.

79,578

80,000

400

Round to the Tens Place.

999

*DOUBLE POINTS*

1,000

500

Round to the Hundreds Place.

9,279

9,300

Add/Subtract Decimals

100

7.5 + 1.3

8.8

200

25.2 - 8.1

17.1

300

62.321 + 0.24

62.561

400

60 - 45.98

14.02

500

0.765 + 0.982

1.747

Rounding Decimals

100

Round to the Hundredths Place?

4.2698

4.27

200

Round to the Tenths Place.

9.96

*DOUBLE POINTS*

10

300

Round to the nearest Whole Number.

2.952

3

400

Round to the Thousandths Place.

8,023.2214

8,023.221

500

Round to the nearest Whole Number.

99.98

100

Comparing Decimals

100

0.8 __ 0.1

0.8 > 0.1

Greater Than

200

6.22 __ 62.2

6.22 < 62.2

Less Than

300

1.01 __ 1.10

1.01 < 1.10

Less Than

400

0.88 __ 0.088

0.88 > 0.088

Greater Than

500

18.3 __ 18.6

18.3 < 18.6

Less Than