Multiplicaiton
Use any strategy to solve 253×31
7,8343
610 ➗ 5
122
A box has a length of 32 inches and a width of 43 inches. What is the area of the box?
1,376 square inches
Estimate the value of 945 ➗ 28
900 ➗ 30 = 30
Use any strategy to solve 315×43
13,545
2,304 ➗ 9
256
4,140 cubic feet
There are 4,250 pounds of trash at the Philly dump. Each trash truck could only hold 125 pounds of trash. How many trash trucks would it take to move all of the trash?
4,250 ➗ 125 = 34
34 trash trucks are needed.
Use the standard algorithm to solve 6,512 x 5
32,560
1,122 ➗ 33
34
James and Frank are looking at a multiplication equation. 55 x 26 = 1,430. They use a calculator and find that this equation is true. James then says that must mean that the following equations are also true: A) 1,430 ➗ 55 = 26
B) 26 ➗ 1,430 = 55
C) 55 ➗ 1,430 = 26
D) 1,430 ➗ 26 = 55
E) 26 x 55 = 1,430
Is James correct? If not which ones are true?
A) 1,430 ➗ 55 = 26
D) 1,430 ➗ 26 = 55
E) 26 x 55 = 1,430
The area of a rectangular field is 8,320 square yards. The width is 65 yards. How long is the field? Show or Explain your reason.
128 yards
Use the standard algorithm to solve 353 x 12
4,236
2,940 ➗ 245
12
Principal B is looking for a new rug for her office. The office has a length of 13 feet and a width of 22 feet. The rug has an area of 295 square feet. Will the rug fit in her office? Why or why not?
No because the area of the office is 286 square feet and the rug is 295 square feet. The rug is too big.
A rectangular prism has a volume of 3,575. It has a length of 25 and width of 13. What is the height?
25 x 13 = 325
3,575 ➗ 325 = 11
82,998
18,480 ➗ 55
336
The dimensions of a crate are 10 inches long, 11 inches wide, and 13 inches high. The crate is filled math books. There is a box with a height of 10 inches, a length of 20 inches, and a width of 30 inches. How many full crates of math books would it take to fill up the box?
Crate Volume = 1,430 cubic inches
Box Volume = 6,000 cubic inches
1,430 x 4 = 5,729
You need 4 full crates of math books to fill the box.
The area of the base (l x w) of a box is 462 square centimeters. It has a height of 23 centimeters. The box is 21cm wide. How long is the box?
What is the volume of the box?
462 ➗ 21 = 22
L=22 W=21 H=23
21x22x23 = 10,626