Adding Fraction
Subtracting
Multiply
Divide
100

Line up the decimal 38.125+17.9=

56.025

100

Line up the decimal       49.7-12.3=

37.40

100

line up the last digit 48x.35=

don't forget to count your decimal places and move your decimal

16.8

100

The first number goes in the box and move your decimal straight up.

79.2/3

26.4

200

Line up the decimal 4.82+16.917=

21.737

200

Line up the decimal     141.2-79.83=

61.37

200

line up the last digit 12.7x3.6

don't forget to count your decimal places and move your decimal

45.72

200

The first number goes in the box and move your decimal straight up.

11.68/4

2.92

300

Line up the decimal 56.25+12.375=

68.625

300

Line up the decimal     139.75-42.32=

97.43

300

line up the last digit 19.75x.04

don't forget to count your decimal places and move your decimal

.79

300

Move your decimal places first then the first number goes in the box and move your decimal straight up.

9.8/3.5

2.8

400

Line up the decimal .025+72.385=

72.410

400

Line up the decimal     193.773-14.02=

179.753

400

line up the last digit 12.93x2.7

don't forget to count your decimal places and move your decimal

34.911

400

Move your decimal places first then the first number goes in the box and move your decimal straight up.

5.8/.08

72.5

500
Line up the decimal 138.255+12.38=

150.635

500

Line up the decimal      194.69-48.732=

145.958

500

line up the last digit 12.33x4.01

don't forget to count your decimal places and move your decimal

49.443

500

Move your decimal places first then the first number goes in the box and move your decimal straight up.

1.53/.09

17