Decimal Operations Review IM2

Addition

100

0.95 + 5.09 =

6.04

200

111.27 + 9 =

120.27

300

74.832 + 3.05

77.882

400

1.23 + 8 + 2.4

11.63

500

Maya earned $1.82 in her pocket. She earns $2 more dollars for completing her chores. How much money does she have now?

Maya has $3.82 now. 

Subtraction

100

15.68 - 4.23

11.45

200

167.75 - 9.6 =

158.15

300

43.03 - 5 =

38.03

400

12 - 0.4

11.6

500

John has $25 in his "Spend Jar". He wants to buy a new video game for $9.95. How much money will he have after he buys his video game?

John will have $15.05 left.

Multiplication

100

8 x 6.5 =

52

200

4.2 x 1.3 =

5.46

300

3.7 x 78.8 =

291.56

400

14.02 x 0.31

4.3462

500

Buffalo Bill tickets cost $154.55. Mrs. Crispino is buying 12 tickets. How much money will Mrs. Crispino spend?

$1,854.60 on Bills Tickets. 

Division

100

13.8 / 3 =

4.6

200

33.62 / 0.5 =

67.24

300

1.806 / .12 =

15.05

400

164.25 / 1.2

136.875

500

Mrs. Kraft buys 12 Buffalo Bills tickets for $546 and Ms. Marshall buys 15 Eagles tickets for $555. Who spent less money?

Ms. Marshall spent $37 per ticket and Mrs. Kraft spent $45.50 per ticket. Ms. Marshall spent less!

Mixed Review

100

For which 2 operations (addition, subtraction, multiplication, division) do you need to line up the decimal points?

Addition and Subtraction

200

For which operations (addition, subtraction, multiplication, division) do you need to count the number of digits after the decimal points?

Multiplication

300

Which number is the dividend and which number is the divisor? 

146 / 2 

Dividend 146

Divisor 2 

400

Where do your math folders live? 

IN YOUR BACKPACK!

500

What materials do you take out at the beginning of class? 

Math Notes Folder, Math Journal, HW, Pencil Pouch (highlights / pencils)