Decimals (and some other stuff)

Adding Decimals

100

24.5 + 172.89

What is:

197.39

200

22.5 + 6.33 + 0.784

What is: 

29.614

300

Stacia saved $41.56 from her birthday money, but she didn't enough to buy the new headphones she wanted.  After two months she had saved another $35.50 from babysitting and had exactly enough money to buy the headphones.  How much were they?

What is: 

$77.06

400

A local bakery sells three types of cookies: chocolate chip, peanut butter, and oatmeal raisin. On Tuesday, they baked 12.75 dozen chocolate chip cookies, 15.2 dozen peanut butter cookies, and 8.55 dozen oatmeal raisin cookies. If they sold 9.375 dozen chocolate chip cookies, 11.8 dozen peanut butter cookies, and 6.15 dozen oatmeal raisin cookies, what is the total number of dozens of cookies remaining unsold?

What is: 

9.175 dozen

Subtracting Decimals

100

595.76 - 84.3

What is:

511.46

200

80.59 - 7.468

What is:

73.122

300

Joe and Frank weigh themselves before a wrestling match.  Joe weighs 110.75lb and Frank weighs 113.45lb.  How much more does Frank weigh than Joe?

What is: 

2.7lb

400

Josephine did an experiment in class observing the growth of a pea plant.  She measured the plant over the course of 5 weeks.  The measurements during the first 4 weeks were: 2.3in, 3.56in, 4.6in, and 5.23in.  How much did the plant grow between the 3rd and 4th week?

What is: 

0.63in

500

Josephine did an experiment in class observing the growth of a pea plant.  She measured the plant over the course of 5 weeks.  After the 4th week the plant was 5.23in tall, but there was a storm and the plant lost 1.3 inches when a dead portion had to be cut off.   By the 6th week the plant was 4.71in.  How much did the plant grow after the storm?

What is:

0.78 inches

Adding and Subtracting Fractions

100

3 ⅗ + 1 ⅔ 

What is: 

5  4/15

200

6 ½ - 3 ⅝

What is: 

 2 ⅞

300

A square has sides that are 2 ⅚ inches long.  What is the perimeter of the square?

What is: 

11 ⅓

Other Stuff

100

Find the volume of a rectangular prism with a width of 7cm, a length of 8cm, and a height of 14m.

What is:

784cm³

200

Find all the of factors of 36 and 42 to determine the greatest factor that both numbers have in common (the GCF).

What is:

6

300

Solve: 155 ÷ 5 x [(3.56 − 1.8 + 13.126) + 0.114]

What is: 

2250

400

Solve: 6 x 3/5

What is:

18/5 or 3 ⅗ 

500

Solve: 2/3 of 8

What is:

16/3 or 5 ⅓ 

Comparing and Ordering Decimals

100

Choose the larger decimal: 

5.689 or 5.678

What is: 

5.689

200

Choose the larger decimal: 

0.569 or 0.59

What is: 

0.59

300

Round the following number to the nearest tenths place: 

2.363

What is:

2.4

400

Round to the nearest ones place:

3.259

What is:

3

500

Write the following as a number:

(3 x 100) + (4 x 1) + (6 x 0.1) + (9 x 1/100)

What is:

304.69