Estimation
Estimate the Product:
14 X 16
10 X 20 = 200
The product of 2 numbers multiplied together is 4,000. If one factor is 2,000, what is the other factor?
2
At Michael's Motorcycles, they sold 8 motorcycles for 12 dollars each yesterday. Today they sold 6 motorcycles for 14 dollars each. How much money did they make for BOTH days?
180 dollars
Write an expression that can be used to help us solve this problem: (Hint, what would we multiply to get our partial products)
15
X20
(10 X 20) + (5 X 20)
Pick a strategy and multiply:
32
X 27
864
Estimate the Product
35 X 56
40 X 60 = 2,400
The product of 2 numbers multiplied together is 2,100. If one factor is 70, what is the other factor?
30
At Jai'Shawn's Jurrasic Adventure, they sold 22 childrens tickets for 15 dollars each. They also sold 14 adult tickets for 18 dollars each. How much money did they earn from tickets?
582 Dollars
Write an expression that can be used to help us solve this problem: (Hint, what would we multiply to get our partial products)
32
X22
(20 X 30) + (20 X 2) + (2 X 30) + (2 X 2)
Pick a strategy and multiply:
52
X 56
2,912
Estimate the Product
42 X 91
40 X 90 = 3,600
The product of 2 numbers multiplied together is 3,000. If one factor is 5, what is the other factor?
600
This month, Ari read 13 pages 12 times in the month. Last Month, she read 17 pages 13 times. How many pages did she read in all?
377 Pages
Use the area model to find the PARTIAL Products for the following problem
68
X24
(60 X 20) + (8 X20) + (4 X 60) + (4 X 4)
1200, 160, 240, 16
Pick a strategy and multiply:
48
X 31
1,488
Estimate the Product:
65 X 74
70 X 70 = 4900
The product of 2 numbers multiplied together is 9,000. If one factor is 300, what is the other factor?
30
Mr. Smith's math class of 21 students solved 32 math problems each last week. This week, they solved 38 math problems for each person. How many math problems did they solve altogether?
1,470
Choose the expression that matches the following product: 260
23×10
20×10+3×10
13×20
1×20+3×20
10×20+3×20
13 X 20 or 10X20 + 3X20
Pick a strategy and Multiply:
68
X 73
4,964
Estimate the Product
68 X 84
70 X 80 = 5,600
The product of 2 numbers multiplied together is 7,200. If one factor is 90, what is the other factor?
80
Essence's red photo album has 17 pages. Each page has 8 pictures. Her blue photo album has 14 pages, and each page has 9 pictures.
What is the total number of pictures in Essence's two albums?
262 pages
Which expression shows 320?
(30 X 1) + (2 X 10)
30 X 2 X 10
30 X 20 X1
20 X 16
(30 X 10) + (2 X 10)
20 X 16, or (30 X 10) + (2 X 10)
Pick a strategy and multiply
97
X 86
8,342