Word Problems
A coffee shop sold 745 cups of Coffee in one week. If the same number of cups of Coffee were sold for in a row, how many cups be sold in all?
5,215 cups of coffee would be sold in 7 weeks in a row.
What is the product of 4x1,239. Please show your work, use any strategy you choose.
The product is 4,956
What is an Array? You may explain it by providing an example.
An array is a way to display objects in rows and columns.
What is the product of 242 x 7
1,694
Find the product of 2 x 4,538. Use a bar diagram to solve
9,076.
Leanne rode the train 168 miles round trip 6 times last month. What is the total distance Leanne rode the train? Solve using any strategy you choose.
Leanne rode the train for 1,008 miles in total.
What is the product of 9 x 539? Show your thinking!
The product is 4,851.
Wha is partial product? You may explain it by providing an example.
Partial products are found by breaking one factor in a multiplication problem into ones, tens, hundreds, and so on. You then add all of the numbers at the end.
Find the product to 4 x 325. Show your thinking!
1,300
Write and solve an equation that represents the given bar diagram
Equation is 4 x 48=b
B ⇒ 192
Linda bakes 325 chocolate chip cookies and 45 sprinkle cupcakes every hour. How many baked goods are baked in 4 hours?
In 4 hours Linda bakes 1,480 baked goods.
Select all the partial products for 8 x 321
8
80
160
1,600
2,400
The partial products that apply are
2,400 ⇒ 8 x 300 = 2,400
160 ⇒ 8 x 20 = 160
8⇒ 8 x 1 = 8
What is the distributive property? You may explain it by providing an Example.
an example of the distributive property is
6+(10x8) = (6x10) + (6x8)
in other words it is like decomposing (breaking apart) a number.
What is the product of 7 x 3,570
24,990
Select all of the expressions that could be used to find
1,235 x 9
9 x (1,000 + 200 + 20 + 5)
9 x (1,000 + 200 + 30 + 5)
(9 x 1,000 ) +( 9 x 200)+ (9 x 30)+(9 x 5)
1,235+9
9 x 1,235
The following expressions can be used to find the answer.
Number 2
Number 3
Number 4
Mr. Lee wants to buy his 3 daughters and 2 sons a computer. The computer costs $120
Part A. Mr.lee thinks that the total should be ABOUT $500. Is this amount reasonable? Explain
Part B. Now write and solve an equation to find the total cost of the computers. Explain why your answer is reasonable.
Part A: first I need to add his daughters and sons together. 3+2=5, he has 5 kids in total. Next, I need to find about how much the computers will cost. I think I can multiply 5x120, which equals $510. I think his answer is reasonable because 510 rounded to the nearest hundred is $500. I know I need to round because I saw the word "about."
Part B: to find the total I know can multiply 5x 120, which I know equals $510, because I solved it.
What are the partial products when finding 1,874 x 3 select all that apply.
5,400
2,000
3,000
210
2,400
12
The following options are the products you get
Number 3
Number 4
Number 5
Number 6
What is the associative property of multiplicatioN? You may use an example to explain.
The associative property of multiplication states that order does not matter when are you multiplying because the product stays the same.
(4x3) x 2 = 24
4 x (3x2) = 24
(4x3) x 2 = 4 x (3x2)
1. Write an equation for 3 x 312.
2. Then draw a bar diagram
3. Then Solve the equation
Equation ⇒ 3 x 312 = S
S=936
Which of the following is equivalent to 8 x 493?
(8x400)+(8x90)+ (8x3)
(8x400)+93
493x8
(8x500) - (8x93)
(8x500) - (8x7)
The following are correct
Number 1
Number 3
W rite your own multiplicatio word problem and then solve it. Think of all the components of a word problem.
answers may vary.
Use partial product to solve 3 x 12,536
The product is 37,608.
1. What is commutative property of multiplication?
2. What is a numerical expression?
3. what is an area model?
* you may use examples
1. The order of factors can be changed and the product stays the same.
4 x 3 x 2=24 or 3 x 2 x 4=24; order, but same product.
2. A numerical expression contains numbers and at least one operation.example is 6x4.
3. An area model is rectangle used to model multiplication of whole numbers.
1. Find the product of 3 x 536.
2. Now, multiply the answer to the above equation by 7.
3. then multiply that answer by 9.
1. 1,608
2. 11,256.
3. 101,304
Select all of the equations that have a product of 640.
(6x100) + (4x10)
9 x 54
60 x 4 x 1
160 x 4
(6 x 100)+ (4 x 10)
.
The following equations have a product of 640.
Number 1
Number 4
Number 5