Adding and Subtracting Decimals

Basic Addition

100

45.4+7.6

53

200

35.7+52.4

88.1

300

14.68+70.05

84.73

Basic Subtraction

100

6.3-2.7

3.6

200

7.75-3.60

4.15

300

68.99-62.56

6.43

Not So Basic Addition

100

SKIBIDI DOUBLE!! 76+5.89

81.89

200

132.06+37.491

169.551

300

5.888+197.3

203.188

Not So Basic Subtraction

100

6.26-2.5

3.76

200

QUADRUPLE SKIBIDI SIGMA!? 4.802-1.3

3.502

300

6.6-1.991

4.609

Word Problems

100

LeBron went shopping and spent $23.75 on a shirt and $12.50 on a pair of shoes. How much did he spend in total?

$36.25

200

Demar deposited $150.25 into his savings account and later withdrew $45.75. How much money does he have left in his account?

$104.50

300

Emily has 15.5 hours of audiobooks and her friend gave her another 6.75 hours. How many hours of audiobooks does Emily have now?

SKIBIDI DOUBLE!?

22.25 hours

Mystery?!?!

100

TRIPLE SIGMA?! What is the reciprocal of 5/9?

9/5 

200

What is 12/24 x 24/36?

1/3 

300

7 2/3 divided by 10/30

23