Multiplicative Comparison
Han read 4 books during the summer. Priya read 3 times as many books as Han.
How many books did Priya read?
Priya read 12 books.
4 x 3 = 12
How many centimeters are in 1 meter?
100 centimeters = 1 meter
How many ounces are in 1 pound?
16 ounces = 1 pound
Ms. Marsha bought 2 gallons of milk. How many cups of milk does she have?
32 cups
16 x 2 = 32
How do you find the perimeter of a 2D shape?
Add up all of the sides!
Mai exercised 3 times as many hours as Tyler last week. Mai exercised for 15 hours.
How many hours did Tyler exercise?
Tyler exercised for 5 hours.
? x 3 = 15
5 x 3 = 15
How many grams are in 1 kilogram?
1,000 grams = 1 kilogram
How many cups are in 1 gallon?
16 cups = 1 gallon
Priya’s dog weighs 12 pounds. How many ounces is that?
192 ounces
There are 16 ounces in a pound, so 12 pounds is 12×16 or 192 ounces.
Andre drew a rectangle that is 5 centimeters long and 6 centimeters wide.
What is the perimeter of Andre’s rectangle?
22 centimeters, since 5 + 6 + 5 + 6 = 22.
Diego has 8 songs on his playlist. Mai has 3 times as many songs as Diego.
How many songs does Mai have on her playlist?
Mai has 24 songs on her playlist.
8 x 3 = 24
How many milliliters are in 1 liter?
1,000 milliliters = 1 liter
How many quarts are in 1 gallon?
4 quarts = 1 gallon
Which of these measurements would be greater than 1 meter?
1. The length of a finger
2. The width of a paperclip
3. The height of our classroom door
4. The length of your math book
The height of our classroom door
1 meter is about the size of the flag pole in our classroom.
A rectangle has a length of 6 feet and a width of 3 feet.
Find the perimeter of the rectangle.
The rectangle has a perimeter of 18 feet.
6 + 6 = 12
3 + 3 = 6
12 + 6 = 18 feet
Lin scored 6 points in her basketball game on Saturday. She scored 3 times as many points in her basketball game on Sunday.
How many points did Lin score altogether in the two games?
Altogether, Lin scored 24 points.
She scored 18 points on Sunday (6 x 3 = 18)
18 + 6 = 24
A tuna fish can swim 200 kilometers in a day.
The camel travels 40 kilometers in a day.
How many times farther does the tuna fish travel than the camel?
The tuna fish travels 5 times farther than the camel.
5×40=200
How many cups are in 1 quart?
1 quart = 4 cups
The Burj Khalifa is a skyscraper in Dubai, India. It is 828 meters tall.
Is that more or less than 1 kilometer?
It is less than (<) 1 kilometer
There are 1,000 meters in a kilometer, so the building is close to a kilometer tall but less.
A rectangle has perimeter 19 cm. One side is 4 cm. How long is the other side of the rectangle?
5 and 1/2cm
Two sides are 4 cm and that leaves 19−8 or 11 cm for the other two sides. Since those sides are the same length, they are 5 and 1/2 cm each, since 5 and 1/2 + 5 and 1/2 = 11
On Sunday, Priya spotted 5 crows and 13 eagles flying through her neighborhood park. Andre said he spotted 4 times as many birds.
What was the total number of birds spotted by Priya and Andre?
90 birds were spotted by Priya and Andre.
5 + 13 = 18 birds spotted by Priya
18 x 4 = 72 birds spotted by Andre
18 + 72 = 90
An Andean condor has a wingspan of about 3 meters.
What is that length in centimeters?
300 centimeters
3 x 100 = 300
How many feet are in 1 yard?
1 yard = 3 feet
A bottle of water holds 250 milliliters.
How many of those bottles does it take to make 1 liter?
4 bottles, because 1 liter is 1,000 milliliters and 4×250=1,000
A rectangle has a perimeter of 32 inches.
It has a width of 10 inches.
What is its length?
Its length is 6 inches
32 - 20 = 12
12 divided by 2 = 6