Multiplicative Comparisons
What is the multiplication equation for the following problem?
Sara has 4 cookies, John has 5 times as many as Sara. How many cookies does John have?
4 x 5 = 20
Convert: 2 pounds to ____ ounces
32 ounces
The giraffe drinks 3 gallons of water a day. The dog drinks 11 quarts a day. Which animal drinks more and explain?
The giraffe drinks more water a day because 12 quarts is more than 11 quarts.
A rectangle has two sides lengths of 8 cm and two side lengths of 20 cm. What is the perimeter?
56 cm
21 x 4
84
What is the multiplication equation for the word problem:
A dog weighs 6 pounds. A horse weighs 9 times as much as the dog. How much does the horse weigh?
6 x 9 = 54
Convert: 4 pounds to _____ ounces
64 ounces
At a state park, Lin is hiking on a 9-kilometer-long trail. How many meters long is the trail? Explain your reasoning.
9,000 meters
What is the perimeter of the square? One side length is 17 cm.
68 cm
13 x 7
91
Write the multiplication equation for the word problem:
A large jar has 42 marbles. That is 7 times as many marbles as are in a small jar. How many marbles are in the small jar?
____ x 7 = 42
Convert: 3 kilograms = _______ grams
3,000 grams
Jacob says a lake is 300 meters deep. Jacob says that is equal to 3 centimeters. Explain why Jacob is wrong.
Jacob divided by 100, instead of multiplying by 100.
A rectangle has a perimeter of 20 cm. One side is 4 cm. How long is the other side of the rectangle?
The other side is 6 cm
32 x 4
128
Write the multiplication equation for the word problem:
A giraffe is 36 feet tall. It is 6 times as tall as a goat. How tall is the goat?
____ x 6 = 36
Convert: 5 yards to _____ feet
15 feet
A puffin has a wingspan of about 0.5 meters. What is that length in centimeters?
50 centimeters
Andre draws a rectangle that is 5 centimeters long and 6 centimeters wide.
What is the perimeter of Andre’s rectangle?
22 cm
15 x 6
90
Write the multiplication equation for the word problem:
One box holds 8 crayons. A larger box holds 5 times as many crayons. How many crayons are in the larger box?
8 x 5 = _____
Convert: 7 quarts = _____ cups
28 cups
Kiran is using clay for an art project. He has 3 blocks of clay that weigh 750 grams each.
Does Kiran have more or less than 2 kilograms of clay? Explain your reasoning
He has more than 2 kilograms in clay because when I add 750, three times it equals 2250.
A square has a perimeter of 19 cm. How long is each side of the square?
Explain or show your reasoning
4 3/4 cm
11 x 14
154