Multiplicative Comparisons
Order of Operations
Partial Products
Distributive Property
Potpouri
100
Write a comparison sentence that represents the equation; 45 = 5 x 9
5 times as many as 9 is 45
100
60 x 3 - 72 + 20 = n
n = 128
100
25 x 5 ____
25 x 5 ____ 100 25 ____ 125
100
solve: 6 x (22 + 7)
What is 174
100
In Jim's class, 5 times as many students take the bus as those who walk. A total of 24 students walk or take the bus. How many more students take the bus than walk to school.
What is 16?
200
There are four times as many alligators as crocodiles. If the total number of alligators and crocodiles is 40, how many are there?
What is 32?
200
5 x 17 + 5 x 20 - 32
What is 153?
200
Use partial products to solve 654 x 5
654 x 5 _____ 3000 250 20 ____ 3,270
200
Use expanded form to solve 254 x 6
What is 6 x (200 + 50 + 4) = 1,504
200
Gordon can type 56 words a minute. How many words can he type in 7 minutes?
What is 392 words?
300
Robin buys 40 flowers to put into 5 vases. She writes that 40 is 5 times as many as 8. What other comparison sentences can she write to show the comparison?
40 is 8 times as many as 5.
300
456 - 6 x 8 + 32 = n
What is 440?
300
473 x 9 _____
473 x 9 _____ 3,600 630 27 _____ 4,257
300
Mason plans to use a strategy to find the product of 32 x 250. Write a strategy Mason could use to find the product.
What is 8 x 4 x 250
300
Chan wrote this pattern on his paper. 4 x 3 = 12 4 x 30 = 120 4 x 300 = 1,200 4 x __ = 12,000 What is the unknown number in Chan's pattern.
What is 3,000
400
Jack has 2,613 songs saved on his computer. Dexter has 4 times as many songs saved on his computer as Jack has. How many songs does Dexter have saved on his computer?
What is 10,452 songs
400
8 x 42 + 3 x 59 - 62 = n
What is 451?
400
A mall survey showed that 964 people entered at the main entrance in one hour. What is the best estimate for how many people will enter the main entrance in 6 hours? Then solve using partial products.
Estimate: 6000 people Product: 5,784 people
400
A grocery store has 367 cans of vegetables on each of 4 shelves. Write an expression that can be used to find how many cans of vegetables are on the four shelves.
(4 x 300) + (4 x 60) + (4 x 7)
400
Mrs. Ekins is buying 4 cell phones. The price of each phone is $159. What is the total price of the cell phones.
$636
500
A hobby shop has 4 times as many model airplanes as model helicopters. The total number of models is 35. How many model airplanes does the model shop have?
What is 28 model airplanes.
500
6 x 27 + 2 x 47 - 83 = n
What is 173
500
4,563 x 9 ______ use partial products to solve.
4,563 x 9 ______ 36,000 4,500 360 27 ______ 40,887
500
A store owner ordered 132 boxes of erasers. There are 8 erasers in each box. Use place value and expanded form to write an expression that shows how to multiply 8 x 132, then solve.
What is (8 x 100) + (8 x 30) + (8 x 2) = 1,056
500
Write a comparison model and solve. Kirin has 28 books. this is 7 times as many books as Gail has. How many books does Gail have?
4 books.
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