Volume Using Cubes
L- 4 cubes
W- 3 cubes
H- 2 cubes
How many layers are in this rectangular prism?
2 layers
What three dimensions do you need to find the volume of a rectangular prism?
Length
Width
Height
How can you use the distributive property to solve
6 x 9?
A. (3 x 3) x 9
B. (3+3) x 9
C. 6 + (6 x 3)
In using the box method, how would I break apart
27 x 42 into place value?
20 + 7
40 + 2
In using the standard algorithm, what place value do I BEGIN multiplying with?
A. Tens
B. Hundreds
C. Ones
D. Thousands
L- 4 cubes
W- 3 cubes
H- 2 cubes
What is the area of the base in this rectangular prism?
12 square units
Name two formulas for finding the volume of a rectangular prism.
L x W x H
B x H
How could you use the distributive property to find the product of
15 x 5 ?
(Hint: There are two correct answers)
A. (5 + 3) x 5
B. (10+5) + 5
C. (10 x 5) + (5 x 5)
D. (10+5) x 5
In using the box method, how would I break apart 3114 x 86?
3000 + 100 + 10 + 4
80 + 6
When carrying a number over to the next using the standard algorithm, do I add that number or multiply?
Add
If the length of a rectangular prism is 3, the width is 9, and the height is 2... how many cubes are in each layer?
27 cubes
3 in x 2 in x 5 in= 30 cubic inches
What is another formula you could use to find the volume? (hint: B x H)
6 x 5 = 30 cubic inches
How could you use the distributive property to solve
10 x 10?
(Hint: There are two correct answers)
A. (5+5) x 10
B. (5 x 5) + 10
C. (5+5) x (5+5)
D. 10 x (5 x 5)
Solve the problem using the box method?
845 x 20
16,900
Once I finish multiplying the ones place, I move on to multiplying by the tens place. What do I need in the ones place to hold that place value?
a zero
If the base of a rectangular prism is 50 in squared, what could be the length and width?
(Hint: There are two correct answers)
A. 5 in, 10 in
B. 40 in, 10 in
C. 25 in, 2 in
D. 25 in, 25 in
If length of a rectangular prism is 4 cm, the width is 5 cm, and the height is 2 cm, what is the volume?
40 cubic cm
How could you use the distributive property to find
46 x 37?
(Hint: There are two correct answers)
A. 46 + (3 x 7)
B. (46 x 30) + (46 x 7)
C. (4 x 6) x 37
D. (40 x 30)+(40 x 7)+(6 x 30)+(6 x 7)
Solve the problem using the box method:
143 x 32
4,576
Solve the problem by using the standard algorithm.
245 x 21
5,145
The length of a rectangular prism is 2 cubes, the width is 3 cubes, and the height is 5 cubes.
How many cubes are in each layer?
How many layers are there?
What is the volume?
6 cubes in each layer.
5 layers
30 cubic units
If the base of a rectangular prism is 10 cm squared, and the volume of the prism is 60 cubic cm, what is the height of the prism?
6 cm
How could you use the distributive property to find
42 x 67?
(Hint: There are two correct answers)
A. (40 x 60)+(40 x 7)+(2 x 60)+(2 x 7)
B. (40+2) x 67
C. (40 x 2) + (60 x 7)
D. 42 + (60 x 7)
Solve the problem using the box method:
3,458 x 25
86, 450
Solve the problem using the standard algorithm.
3,145 x 26
81,770