Facts
Word Problems
Adding Decimals
Multiplying Decimals
Subtracting Decimals.
Dividing Decimals
100

When adding and subtracting decimals, it's important to line up the __________ in both numbers. 



Decimal point or place value

100

At a restaurant last week, 4 times as many hot dogs were sold as hamburgers. The restaurant sold a total of 588 hot dogs last week. How many hamburgers were sold last week at the restaurant?

147 hamburgers

100

Add these decimals. 21.74 + 8.27

30.01

100

Multiply these decimals. 0.03 x 100

3

100

Subtract these decimals.

3.53 - 2

1.53

100

4.6 / 2

2.3

200

the number you are dividing into is called ____________

Dividend

200

Some tubes of paint cost 94 cents each including tax. Lexi paid $18.80 in all. How many tubes of paint did she buy?

20 tubes of paint

200

Add these decimals.

17 + 9.54

26.54

200

Multiply these decimals. 0.7 x 2.6 

1.82

200

Subtract these decimals.

2.15 - 1.05

1.1

200

0.98 / 1

0.98

300

the number you are dividing by is called ______________

Divisor

300

Alison bought 142 inches of ribbon to make bows for her friends. She needs 12 inches of ribbon to make each bow. How much ribbon will she have left over?

10 inches

300

Add these decimals. 6.125 + 18

24.125

300

Multiply these decimals.

0.23 x 7.5

1.725

300

Subtract these decimals.

10.71 - 0.7

10.01

300

4 divided by 50

.08

400

The answer to a division problem is called the

Quotient

400

A giraffe measures 6 meters tall. An elephant measures 3.2 meters tall. The height of the giraffe is how many times as tall as the heigh of the elephant?


1.875

400

Add these decimals. 4.67 + 29.1

33.77

400

Multiply these decimals. 2.5 x 3.04

7.6

400

Subtract these decimals.

1.72 - 0.8

0.92

400

49.6 / 6.2

8

500

How to divide two decimals.

  1. Write in long division form

  2. Make the divisor a whole number by moving the decimal point to the ______

  3. Move decimal point the same number of places in dividend

  4. Complete long division

  5. Carry up decimal point to final answer

Right

500

Julia has $5.68. She buys as many bookmarks as she can for 75 cents. How many bookmarks can she buy?

7 bookmakrs

500

Add these decimals.

5.2 + 3.11

8.31

500

Multiply these decimals. 4.04 x 5.3

21.412

500

Subtract these decimals.

2.54 - 1.82

0.72

500

Divide 7.14 by 0.7

10.2