1. Whole Numbers
Worksheet
1
Write out each of the following as a basic numeral:
a
10^1
b
10^2
c
10^3
d
10^4
e
10^5
f
10^6
2
How many zeros should we use when writing 10^9 as a basic numeral? Explain your answer.
3
Find the number expressed by the following:
a
2 \times 10^{5}
b
3 \times 10^{2}
c
7 \times 10^{3}
d
1 \times 10^{4}
e
8 \times 10^{1}
f
6 \times 10^{6}
g
3 \times 1
h
5 \times 10^{7}
4
Find the number expressed by the following:
a
3 \times 10^{4} + 7 \times 10^{3}
b
1 \times 10^{3} + 4 \times 10^{1}
c
2 \times 10^{3} + 3 \times 10^{1}
d
2 \times 10^{5} + 8 \times 10^{2}
e
4 \times 10^{2} + 1 \times 10^{1}
f
3 \times 10^{1} + 5 \times 1
g
7 \times 10^{3} + 6\times 10^{2}+4 \times 10^{1}
h
3 \times 10^{2} + 2 \times 10^{1} +5 \times 1
i
6 \times 10^{4}+3 \times 10^{2} + 5 \times 1
j
3 \times 10^{4} + 2 \times 10^{3} + 9 \times 10^{1} + 5 \times 1
k
2 \times 10^{5} + 5 \times 10^{4} + 6 \times 10^{3} + 7 \times 10^{1}
l
2 \times 10^{4} + 2 \times 10^{3} + 7 \times 10^{2} + 7 \times 10^{1} + 6 \times 1
m
5 \times 10^{4} + 7 \times 10^{3} + 0 \times 10^{2} + 2 \times 10^{1} + 1 \times 1
n
9 \times 10^{5} + 4 \times 10^{4} + 7 \times 10^{3} + 1 \times 10^{2} + 6 \times 10^1 + 6 \times 1
5
Express the following numbers in expanded form using powers of ten:
a
60
b
100
c
1000
d
3000
e
7000
f
200
g
8000
h
60\,000
i
80\,000
j
700\,000
k
200\,000
l
3\,000\,000
6
Express the following numbers in expanded form using powers of ten:
a
2487
b
2200
c
8003
d
6803
e
7024
f
6265
g
23\,000
h
92\,003
i
33\,057
j
30\,006
k
62\,487
l
124\,465
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