Volume of a Cube (2)grade 5 4th quarter.pdf

grade 5 4th quarter

1. Volume of a Cube
and a Rectangular
Prism
Explore how to find the volume of a cube and a
rectangular prism using unit cubes and volume
formula.

2. Measure volume using unit cubes
Determine volume of a rectangular prism
At the end of the lesson, you'll be able to:
Learning Outcomes
Determine volume of a Cube

3. Count the
Cubes
Can you tell how many
smaller cubes were used to
build this figure?

4. Count the
Cubes
Can you tell how many
smaller cubes were used to
build this figure?
It contains 15 smaller cubes!
ANSWER KEY

5. V =3 x 3 x 3 = 27 cubic units
3 units
Volume of a cube
Volume of a cube
= e x e x e
V = e x e x e
3 units
length (l)
width (w)
height (h)
V = 125 cm
3 units
V = 125 cm

6. V = 5 cm × 5 cm × 5 cm
V = 125 cm
width (w)
length (l)
5 cm
height (h)
Volume of a cube
Volume of a cube
= s x s x s
3
V = s x s x s
5 cm
5 cm

7. How about the
volume of this box?
Volume = ?
V = e
3
Find the volume of the box
6 cm

8. How about the
volume of this box?
Volume = ?
V = e
3
V = 6 m x 6 m x 6 m = 216 cm
6 m

9. width (w)
3 units
length (l)
3 units
height (h)
5 units
Volume of a Rectangular Prism
Volume of a rectangular prism
= length × width × height
V = 5 x 3 x 3
V = 45 cubic units
V = l × w × h

10. width (w)
2 in
length (l)
5 in
height (h)
7 in
Volume of a Rectangular Prism
Volume of a rectangular prism
= length × width × height
V = 5 in × 2 in × 7 in
V = 70 in
3
V = l × w × h

11. find the volume of the
block of cheese
Volume = ?
V = l x w x h
7 cm
4 cm
1 cm

12. volume of the
block of cheese
Volume = ?
V = l x w x h
7 cm
4 cm
1 cm
V= 7cm × 4cm x 1cm = 28cm
3

13. What is the formula
for Volume?
V= L x W x H
Volume of
rectangular prism
V= s
Volume of a Cube
3

14. Group Activity
Work with your group and try to
unlock the MAGIC WORD by
finding the key letters in the
boxes from answers in the table.

18. Thank you!