Operations with Decimals

Addition

100

0.95 + 5.09 =

6.04

200

DOUBLE POINTS!

11.27 + 9.4 =

20.67

300

9.6 + 0.18 =

9.78

400

1.23 + 8

9.23

500

Which of the following animals sleeps standing up?

A) Gorillas
B) Flamingos
C) Hedgehogs
D) Ravens

B. Flamingos

Subtraction

100

5.68 - 4.23 =

1.45

200

67.75 - 8.1 =

59.65

300

What was the lifespan of a T-Rex?

a. 10-20 years        b. 20-30 years

c. 40-50 years        c. 70-80 years

B. 20-30 years

400

12 - 4.61 =

7.39

500

62 - 48.6

13.4

Multiplication

100

Which state is the ice cream capital of the world?

a. Michigan       b. Oregon

c. Iowa             d. Ohio

c. Iowa

200

4.2 x 1.8 =

7.56

300

3.7 x 0.8 =

2.96

400

DOUBLE POINTS!

0.07 x 0.4

0.028

500

.23 x 6.7

1.541

Multi-digit Division

100

1,962/6

327

200

What food is ordered most in America?

a. Fried Chicken       b. Mac n' Cheese

c. Cheeseburger       d. Pizza

a. Fried Chicken

300

TRIPLE POINTS!

4,752/12

396

400

40,644/18

2,258

500

34,874/53

658

Mixed Review

100

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

Addition and Subtraction

200

DOUBLE POINTS!

For which operation (addition, subtraction, multiplication, division) do you count the number of digits to the right of the decimal point to place the decimal in the answer?

Multiplication

300

What digit do you need to add to the dividend (after the decimal point) when there are no more numbers to bring down?

0

400

What is the most popular color of car?

a. blue        b. black

c. silver       d. white

d. White

500

Do we make the divisor (outside) or the dividend (inside) a whole number?

Make the divisor a whole number.