Rewrite 10,000 as a power of 10.
Rewrite 0.0001 as a power of 10.
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What happens when you multiply a number by 10?
What happens when you multiply a number by 100?
What happens when you multiply a number by 104?
What happens when you multiply a number by 100?
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So, try these:
28,000 x 101
370 x 103
8100 x 100
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What happens when you divide a number by 10?
What happens when you divide a number by 100?
What happens when you divide a number by 100?
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Try these:
890 ÷ 101
790000 ÷ 103
87 ÷ 100
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Challenge:
5100 x 10-1
2380 ÷ 10-4
65 x 10-2
54 ÷ 10-2
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How can 30 be rewritten as a one digit number times a power of 10?
How about 4000?
0.00005
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Rewrite 300,000,000 as a one digit number times a power of 10.
Rewrite 0.0000000003 as a one digit number times a power of 10.
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Powers of 10
Which is bigger, 103 or 10-3?
How many times bigger?
How about 104 and 105?
How many times bigger?
What about 10-9 and 10-11?
How many time bigger?
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Which numbers is bigger, 400 or 20?
How many times bigger?
What about 4 x 102 or 2 x 101?
How many times bigger?
10
Which is bigger, 0.0003 or 0.06?
By how much?
How about 3 x 10-4 and 6 x 10-2?
By how much?
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Try these: Identify which number is bigger and by how much:
2 x 105 ______ 4 x 103
6 x 10-4 ______ 3 x 10-1
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