Operations with Decimals

Addition/Subtraction

100

3.4 + 2.4

What is 5.8

200

25.348 + 19.832

What is 45.18

300

19.729 - 4.32

What is 15.409

400

5439.3298 + 2.39

What is 5441.7198

500

1289.36 - 47.627

What is 1241.733

Multiplication

100

0.2 x 13

What is 2.6

200

232 x .93

What is 215.76

300

.2039 x 3.4

What is .69326

400

1.4783 x 4.38

What is 4.474954

500

12.376 x 234.1

What is 2897.2216

Division

100

90/0.9

100

200

78.9/.01

7890

300

12 / .04

What is 300

400

1.896 /.08

What is 23.7

500

98.02 / 2.9

What is 33.8

Order of Operations

100

This is used to determine the order of operation

What is BEDMAS

200

The first step to completing the equation 7.4 x (23+54)-66 is

(23+54)

300

4 x (3.7 + 79.2) - 96.3

235.3

400

17/4 x 16 + (3.2 x 7.4)

91.68

500

127+ 12 x (78.9-62.4)/ 2.2

217

Problem Solving

100

A bag of carrots weighs 30.6 grams. If there are 6 carrots in the bag how much does each one weigh?

5.1 grams

200

If Connor McDavid scored 2.4 points per game over an 82 game season, how many points would he finish the season with?

197 points

300

The Earth rotates the sun in 365 days.  If the Earth rotates the Sun 29.4 times for every revolution Saturn makes, how many days does it take Saturn to rotate the Sun?

10,731 days

400

Jamie has been saving up to buy a new sweater that costs $80.  If they get $3.50 a week in allowance how many weeks will it take to be able to buy the sweater?

23 weeks

500

For a party Sarah bought 2 pizzas for $22.47 each and 5 cans of pop for $1.63 each.  If her and her 4 friends split it evenly, how much does each person pay?

$10.62