SOLVING WORD PROBLEMS WITH MULTIPLICATION

Use a strategy of your choice to solve each problem.

Problem 1 :

The library has 5 mystery books on a shelf. It has 4 times as many fiction books on another shelf. How many fiction books are on the shelf?

Solution :

Number of mystery books = 5

Number of fiction books = 4 × mystery books

= 4 × 5

= 20

There are 20 fiction books on the shelf.

Problem 2 :

Paul runs 2 laps around the gym. Carrie runs 6 times as many laps as Paul. How many laps does Carrie run?

Solution :

Number of laps run by Paul = 2

Carrie runs = 6 x number of laps run by Paul

Carrie runs = 2 × 6

= 12

Carrie runs 12 laps.

Problem 3 :

Violet has 3 markers. She has 6 times as many colored pencils as markers. How many colored pencils does she have?

Solution :

Number of markers Violet has = 3

Number of colored pencils = 3 × 6

= 18

Violet has 18 colored pencils.

Problem 4 :

Owen draws 7 comics in April. He draws 3 times as many comics in May. How many comics does Owen draw in May?

Solution :

Number of comics draws by Owen in April = 7

Number of comics draws by him in May = 3 x 7

= 21

Owen draws 21 comics in May.

Problem 5 :

Tasha used 8 tomatoes to make salsa. She used 4 times as many tomatoes to make sauce. How many tomatoes did Tasha use to make sauce?

Solution :

Tomatoes needed to make salsa = 8

Tomatoes needed to make sauce = 8 × 4

= 32

Tasha used 32 tomatoes to make sauce.

Problem 6 :

There are 7 pear trees on a farm. There are 7 times as many apple trees as pear trees. How many apple trees are on the farm?

Solution :

Number of pear trees = 7

Number of apple trees = 7 × 7

= 49

There are 49 apple trees on the farm.