Adding, Subtracting & Rounding Decimals

True/False

100

When adding and subtracting decimals, you always include the decimals.

True

200

When adding and subtracting decimals, you always put the longer number on top.

False... Bonus point if you can tell me why?!

300

True or False:

20 - 18.7 = 2.7

False

400

When subtracting decimals you put the first number in the number sentence on top.

True

500

True or False 

192.83 + 123.27 = 316.1

True!

Adding Decimals

100

3.14 + 5.12 = 

What is 8.26?

200

14.73+15.1=

What is 29.83?

300

3 + 4.55=

What is 7.55?

400

17.82 + 3.66 + 4.65 + 23=

49.13

500

105.679 +30 + 409.5+ 98.65=

643.829

Subtracting Decimals

100

20.8 - 7.34=

What is 13.46?

200

34.63 - 27.9=

What is 6.73?

300

15- 0.48=

What is 14.52?

400

6 - 2.33=

What is 3.67?

500

45.87-23.645

22.225

Rounding

100

Round 65.75 to the nearest whole number

66

200

Round 567.6453 to the nearest Hundredth.

567.65

300

Round 0.1234 to the nearest whole number

0

400

23746.346 to the nearest tenth

23746.3

500

Which of the following numbers rounds to 2.8 when rounded to the nearest tenth? Write all that apply. 

2.82             2.893              2.784       

       2.849              2.741

2.82            2.784            2.849

Random Knowledge

100

Can you find penguins in Africa? 

answer yes or no

yes

200

The Statue of Liberty is a gift to the United States from what country? 

France

300

When was the war of 1812?

1812

400

In what State was Coca Cola invented?

Georgia 

500

What is the name of the mountain in The Grinch? 

Mount Crumpit