Basic Facts
Decimal Multiplication Patterns
Mult. By Whole Number
Decimal by Decimal
Math Story
100

0.6 x 0.3 =

0.18

100

0.6 x 10 = 

6

100

6.32 x 3 = 

18.96

100

7.9 x 3.4 = 

26.86

100

Emily went ice-skating with 3 friends. Admission tickets cost $5.25 each and a hot chocolate costs $0.25. They ordered 3 hot chocolates. What is the total cost of the admission tickets and hot chocolate?

$21.75

200

0.9 x 0.5 =

0.45

200

Jorge is making a model of the Statue of Liberty in NYC. The height of the statue is 1,353 feet. If the model is 1/100 of the actual size of the statue, how tall is the model?

13.53 feet

200

4.5 x 8 = 

36.0

200

7.02 x 3.4 = 

23.868

200

Rhianna is making a shelf to store her collection of rocks and shells. She is using 5 pieces of wood that are each 3.25 feel long. How much wood will Rhianna use to make the shelf?

16.25 feet

300

0.03 x 0.4 = 

0.012
300

0.3 x 1/10

0.03

300

40.7 x 5 = 

203.5

300

Charlie has a rabbit that weighs 1.2 kilograms. Cliff's rabbit weighs 2.9 times as much as Charlie's rabbit. How much does Cliff's rabbit weigh?

3.48 kilograms

300

Ganesh is make a scale model of the Space Needle in Seattle Washington. The space needle is 605 feet tall. If the model is 1/100 the actual size of the Space Needle, how tall is the model?

6.05 feet

400

0.7 x 0.04 = 

0.028

400

10x 18.72

1,872

400

Pete wants to make turkey sandwiches for two friends and himself. He wants each sandwich to contain 3.5 ounces of turkey. How many ounces of turkey does he need?

10.5 ounces

400

What if you multiplied 2.8 by 1.74? What would be the place value of the product? Explain and Justify.

thousandths place value, 3 decimal places. 

400

At a tailor shop, it costs $6.79 to shorten a pair of pants and 4 times as much to shorten a dress. It would cost Michelle $_______ to shorten one pair of pant and shorten one dress. 

$33.95

500

0.004 x 0.4

0.0016

500

Kristen is making bracelets for a party. She needs to make 1,000 bracelets and knows that 1 bracelet uses 1.75 inches of string. How much string will Kristen need?

1,750

500

Gasoline costs $3.37 per gallon. Mary's father puts 6 gallons of gasoline in the tank of his car. How much will the gasoline cost?

$30.33

500

Gina bought 2.5 pounds of peaches that cost $1.38 per pound ay the store. Amy went to a different store and purchased 3.5 pounds of peaches at $0.98 per pound. Who spend more money? How much more money? 

Gina; $0.02

500

A builder buys 24.5 acres of land to develop a new community of apartment buildings.

A builder plans to use 0.25 of the land for a park. How many acres will he use for the park? 

6.125 acres