Copyright © Swun Math Grade 8 Unit 2 Lesson 5 C TEFinal Check for Understanding
(Teacher Checks Work)
Directions: Write the expanded and standard form.
Power Expanded Standard
54
53
52
51
(^50)
Solution:
Power Expanded Standard
54 5 • 5 • 5 • 5 625
53 5 • 5 • 5 125
52 5 • 5 25
51 5 5
50 1 1
2.
Power Expanded Standard
53
52
51
50
5 –^1
5 –^2
5 –^3
Solution:
Power Expanded Standard
53 5 • 5 • 5 125
52 5 • 5 25
51 5 5
50 1 1
5 –^1
1
5
1
5
5 –^2 1
5 •
1
5
1
25 or
1
52
5 –^3
1
5 •
1
5 •
1
5
1
125 or
1
53
Closure
Recap today’s lesson with one or more of the following questions:
(^)
MP3: Why is any number to the zero-power equal to 1?
MP 8 : What patterns do you notice?