Place Value
Expanded Form
Adding
Decimals
Subtracting Decimals
Rounding with Whole Numbers
Rounding with Decimals
Estimating
Sums & Differences
100

6.51

Which number is in the tenths place?

5

100

1,000 + 200 + 30 + 4 + .5

1234.5

100

1.3 + 3.5 =

4.8

100

7.8 - 5.2 =

2.6

100

Round 632 to the nearest tens place.

630

100

Round 2.61 to the nearest tenths place.

2.6

100

Round to the nearest one dollar. Then, add.

$5.67 + $8.20 =

$6.00 + $8.00 = $14.00

200

7.01

Which number is in the hundredths place?

1

200

2 hundreds, 3 tens, 5 ones, 6 tenths

235.6

200

14.5 + 6.2 =

20.7

200

10.5 - 3.2 =

7.3

200

Round 17 to the nearest tens place.

20

200

Round 4.92 to the nearest ones place.

5

200

Round to the one dollar. Then, add.

$4.60 + $3.21 =

$5.00 + $3.00 = $8.00

300

41.36

Which number is in the tens place?

4

300

300 + 40 + 7 + .9 + .07

347.97

300

3.45 + 7.30 =

10.75

300

5.8 - 3.4 =

2.4

300

Round 214 to the nearest hundreds place.

200

300

Round .321 to the nearest hundredths place.

.32

300

Round to the nearest one dollar. Then, subtract.

$14.50 - $3.90 = 

$15.00 - $4.00 = $11.00

400

24.98

Which number is in the hundredths place?

8

400

5 thousands, 9 hundreds, 0 tens, 8 ones, 3 tenths

5,908.3

400

3.01 + 2.50 =

5.51

400

12.09 - 7.32 =

4.77

400

Round 445 to the nearest hundreds place.

400

400

Round $11.81 to the nearest one dollar.

$12.00

400

Round to the nearest one dollar. Then, subtract.

$13.72 - $11.29 =

$14.00 - $11.00 = $3.00

500

1.56

Which number is in the hundredths place?

6

500

1,000 + 600 + 40 + 8 + .7

1,648.7

500

12.34 + 5.82 =

18.16

500

30.99 - 20.54 =

10.45

500

Round 1,516 to the nearest thousands place.

2,000

500

Round $42.89 to the nearest one dollar.

$43.00

500

Round to the nearest one dollar. Then, add.

$340.18 + $450.12 =

$340 + $450 = $790

600

What is the place value of the underlined number?

3.512

thousandths place

600

8 thousands, 0 hundreds, 5 tens, 2 ones, 3 tenths

8,052.3

600

75.10 + 40.17 =

110.27

600

4.15 - 3.50

0.65

600

Round 14,562 to the nearest thousands place.

15,000

600

Round $538.05 to the nearest one dollar.

$538.00

600

Round to the nearest one dollar. Then, add.

$112.34 + $107.83 =

$112 + $108 = $220