Decimal Computation

Adding and Subtracting

100

45.8 + 9.49 =

55.29

200

84.3 - 13.28 =

71.02

300

7 - 4.677

2.323

400

309.938 + 6.88 =

316.818

500

40.6 - 8.737

31.863

Multiplying

100

19 x .7 = 

13.3

200

93.5 x 3 =

280.5

300

9.4 x 6.2 =

58.28

400

50.27 x .04 =

2.0108

500

.81 x .322

.26082

Dividing

100

16.5/3 =

16.5 divided by 3

5.5

200

44.24/7 =

44.24 divided by 7

6.32

300

41.2/.4 =

41.2 divided by .4

103

400

72.375/.15 =

482.5

500

705/.12 =

5,875

Mixed Decimal Operations

100

951.2 + 3.874 =

955.074

200

951.2 - 3.874

947.326

300

42.06 x 4.4 =

185.064

400

56.28/.4

140.7

500

689/.13 =

5,300

Random

100

What is the name for a quadrilateral that has exactly one set of parallel sides?

Trapezoid

200

There are 60 kids in Kindergarten.

2/5 of the kids like PE as their favorite special.

1/3 of the kids like music as their favorite special.

The rest like art.

How many Kindergarteners like art the best?

16 kids like art the best

300

I have a 100 cubic units water to put into an aquarium.  The dimensions of the aquarium are 3 units x 7.3 units x 4.5 units.

Will the units of water fit into this aquarium?

No!  The volume of the aquarium is 98.55 cubic units.  100 cubic units of water is too much!

400

Elias the baker uses 2 2/3 cups of blueberries for each batch of blueberry muffins he bakes.  On Friday, he made 8 batches of blueberry muffins.

How many cups of blueberries did he use?

He used 21 1/3 cups of blueberries

500

I drove 2.5 miles to go from my house to Wegmans. 

What is the distance, in INCHES, between my house and Wegmans?

158,400 inches