Addition Problems
Subtraction Problems
Decimal Addition
Decimal Subtraction
Place Value
100

4 + 9 =

13

100

17 - 9 = 

8

100

0.1 + 0.34 =

0.44

100

0.5 - 0.3 =

0.2

100

What number is in the hundreds spot?

45370

3

200

43 + 18 =

61

200

143 - 97 =

46

200

0.03 + 2.23 =

2.26

200

68.26 - 1.26 =

67

200

what number is in the thousandths spot?

245746.601

1

300

15437 + 47658 =

63095

300

5874 - 2089 =

3785

300

13.497 + 2.06 =

15.557

300

1.456 - 1.236 =

0.22

300

What number is in the tenths spot?

1874.986

9

400

857629 + 6447 =

864076

400

91451 - 65423 =

26028

400

4236.09 + 12.802 =

4248.892

400

456132.006 - 1246.68 =

454885.326
400

Round to the nearest hundred thousand.

1683465

1700000

500

4736965 + 3880050 =

8617015

500

7312049 - 4622 =

7307427

500

654123.316 + 5423976.079 =

6078099.4

500

6147932.402 - 2468234.364 =

3679698.04

500

Round to the nearest hundredth.

187465.179

187465.18