Adding
Subtracting
Make it Whole
True or False
Multiplying by Powers of 10
100

14.2 + 3.1

17.3

100

4.2 - 3.1

1.1

100

49 x 29

1,421

100

You must line up the decimals when adding.

True

100

85.30 x 10 =

853 or 853.0

200

7.32 + 35.8

43.12

200
75 - 14.25

60.75

200

385 x 28

10,780

200

You must line up the decimals when subtracting.

True

200

 0.009 x 10,000

90

300

147.99 + 7,384.78

7,532.77

300

17.89123 - 4.52

13.37123

300


3,398 divide 29

117 with remainder of 5

300
The bigger number always goes on top in an addition problem.

False

300

Give the product of 562.4349 x 10

What is 562434.9?

400

9,875.401 + 0.5919

9,875.9929

400

Kelly's brother weighs 7.71 pounds. Her newborn kitten weighs 0.24 pounds. How much more does Kelly's baby brother weigh than her kitten?

7.47 pounds

400

Morgan bought 54 pounds of steak for a dinner party. If it cost her $432, how much did each pound cost?

It cost her $8.

400

The bigger number always goes on top in a subtraction problem.

False

400

A boutique manager bought 100 dresses for the shop, each costing $795.30. What is the total cost of the dresses?

The total cost is $79,530.00 or $79,530.