Name
LESSON
Date
Class
Practice C
1-2 Exponents
Find each value.
1. 38
2. 75
3. 502
4. 94
5. 303
6. 125
Compare. Write , , or .
7. 72
8. 93
48
10. 100,000
106
11. 27
810
63
9. 64
103
12. 46
84
Write each number using an exponent and the given base.
13. 343, base 7
14. 625, base 5
15. 1,728, base 12
16. 225, base 15
17. 1,000,000, base 100
18. 1,225, base 35
19. 6,561, base 9
20. 2,187, base 3
21. 8,000, base 20
22. Jacob has 7 times as many postcards as Austin has. Austin has
7 times as many postcards as Angela has. Angela has 7 times
as many postcards as Samuel has. Samuel has 7 postcards.
Write the number of postcards Jacob has in both exponential
form and standard form.
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All rights reserved.
15
Holt Mathematics
Practice B
1-2 Exponents
Practice A
1-2 Exponents
LESSON
LESSON
Find each value.
Multiply.
1. 42
2. 23
16
4•4
2
4. 92
•
2
•
2
5. 43
81
6
•
6
256
81
9
13. 3, base 3
2
14. 8, base 2
1
5
3
16. 81, base 9
2
17. 64, base 4
2
9
4
20. 36, base 6
8
21. 16, base 2
62
3
24
11
12. 73
216
343
33
112
30
22. 256, base 4
602
202
20. 121, base 11
2
3
21. 3,600, base 60
23. 400, base 20
19. 900, base 30
5
2
3
53
10
18. 243, base 3
5
2
16. 125, base 5
2
25
17. 32, base 2
19. 9, base 3
15. 100, base 10
1
4
4
2
14. 25, base 25
2
2
22. 27, base 3
1,000
11. 63
400
13. 16, base 4
15. 16, base 4
18. 64, base 8
3
144
8. 111
Write each number using an exponent and the given base.
Use an exponent and the given base to write each number.
12. 25, base 5
49
7. 103
10. 202
1
32
4. 72
27
6. 122
9. 16
11. 25
3. 33
16
5. 44
1
10. 91
2. 24
25
36
7. 70
243
9. 34
100
8
6. 35
64
8. 102
1. 52
3. 62
23. 512, base 8
44
24. 196, base 14
83
142
25. Damon has 4 times as many stamps as Julia. Julia has 4 times
as many stamps as Claire. Claire has 4 stamps. Write the
number of stamps Damon has in both exponential form and
standard form.
24. The first day, Jessie has $2. The second day, she has twice as
much money as the first day. The third day, she has twice as
much money as the second day. Write the amount of money she
has on the third day in exponential form. Then write the amount
in standard form.
43 stamps; 64 stamps
23; $8
26. Holly starts a jump rope exercise program. She jumps rope for
3 minutes the first week. In the second week, she triples the
time she jumps. In the third week, she triples the time of the
second week, and in the fourth week, she triples the time of the
third week. How many minutes does she jump rope during the
fourth week?
25. Kevin runs 5 miles on Monday. The total number of miles he
runs that week is 5 times the number of miles he runs on
Monday. How many miles does Kevin run that week?
25 miles
81 minutes
13
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
Holt Mathematics
LESSON
Find each value.
2. 75
The exponent tells you how many times to multiply the base
by itself.
3. 502
16,807
5. 303
6,561
2,500
• To find 34, multiply the base (3) times itself 4 times.
248,832
Find each value.
Compare. Write , , or .
7. 72
8. 93
48
10. 100,000
106
11. 27
810
63
9. 64
12. 46
103
84
1. 43 4
•
4
•
4
64
2. 15 1
•
1
•
1
•
3. 52
14. 625, base 5
3
7
16. 225, base 15
15
5
100
12
9
3
6. 62
36
9. 53
4
10. 24
125
16
• You can write 64 using an exponent with the base 8.
8 • 8 64
2
35
21. 8,000, base 20
7
So, 64 82.
Think: How many times
must you multiply 8
times itself to get a
product of 64?
203
Write each number using an exponent and the given base.
22. Jacob has 7 times as many postcards as Austin has. Austin has
7 times as many postcards as Angela has. Angela has 7 times
as many postcards as Samuel has. Samuel has 7 postcards.
Write the number of postcards Jacob has in both exponential
form and standard form.
11. 216, base 6: 36 • 6
12. 16, base 4
42
74 postcards; 2,401 postcards
15. 81, base 9
92
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All rights reserved.
1
27
18. 1,225, base 35
3
20. 2,187, base 3
4
3
17. 1,000,000, base 100
2
19. 6,561, base 9
4
1
5. 33
8. 41
64
15. 1,728, base 12
•
8
7. 82
Write each number using an exponent and the given base.
1
4. 23
25
13. 343, base 7
To multiply, say to
yourself:
3 times 3 is 9
9 times 3 is 27
27 times 3 is 81
34 3 • 3 • 3 • 3 81
6. 125
27,000
exponent
34
base
6,561
4. 94
Holt Mathematics
Review for Mastery
1-2 Exponents
Practice C
1-2 Exponents
LESSON
1. 38
14
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
15
Copyright © by Holt, Rinehart and Winston.
Holt Mathematics
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
107
and 36 • 6 6•6•6
13. 8, base 2
23
so, 216 63
.
14. 9, base 3
32
16. 27, base 3
33
17. 49, base 7
72
16
Holt Mathematics
Holt Mathematics