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The numbers 1, 2, 3, 4....are called __________.
Natural or counting numbers
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The numbers 0, 1, 2, 3...are called ____________.
Whole numbers
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The numbers...-2, -1, 0, 1, 2...are called ___________.
Integers
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Fractions and integers fall into a category called _________.
Rational numbers
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Square root of 3 and pie are examples of ____________.
Irrational numbers
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A prime number is a number that can be divided evenly only by _____________.
One and itself.
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A composite number is divisible by ____________.
More than one and itself.
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The first four square numbers greater than zero are ____, ____, ____, ______.
1, 4, 9, 16
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The first four cube numbers greater than zero are _____, ____, _____, _____.
1, 8, 27, 64
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"5 times 4" can be written a number of ways. Show three of them.
5 x 4; 5 * 4, 5(4)
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List the property represented by:
3 + 0 = 3
Additive property
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List the property represented by:
4 x 1 = 4
Mulitplicative property
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List the property represented by:
3 + 6 = 6 + 3
Commutative property of addition
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List the property represented by:
4 + (6 + 2) = (4 + 6) + 2
Associative property of addition
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List the property represented by:
3 + (-3) = 0
Additive inverse
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List the property represented by:
4(3 + 5) = 4(3) + 4(5)
Distributive property of multiplication and addition
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List the property represented by:
7 x 1/7 = 1
Mulitplicative inverse
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List the property represented by:
6 x 8 = 8 x 6
Commutative property of multiplication
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List the property represented by:
(2 x 6) x 3 = 2 x (6 x 3)
Associative property of multiplication
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In the number 543,216, which digit is in the ten thousands place?
4
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Express 367 in expanded notation.
(3 x 102) + (6 x 101) + (7 x 100)
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Simplify 3[5 + 2(3-1)]
1. 3[5 + 2(3-1)]
2. 3[5 + 2(2)]
3. 3[5 + 4]
4. 3[9] = 27
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12 - (4 - 7 + 6) =
12 - 4 + 7 - 6 = 9
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An improper fraction has ______________________.
a numerator that is larger than or equal to the denominator.
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Change 17/3 to a mixed number.
5 2/3
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Change 9 1/4 to an improper fraction.
37/4
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Change 1/4 to twelfths
3/12
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List all the factors of 30.
1, 2, 3, 5, 6, 10, 15, 30
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List the first four mulitples of 7.
7, 14, 21, 28
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3/7 + 4/5=
15/35 + 28/35 = 43/35 = 1 8/35
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What is 45% of 30?
x = .45(30)
x = 13.5
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21 is 30% of what number?
21 = .30x
70 = x
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15 is what percent of 120?
15 = 120x
.125 or 12 1/2%
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What is the percent increase from 120 to 150?
Percent change = change divided by starting point
30/120 = .25 = 25%
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Express 360,000 in scientific notation.
3.6 x 105
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Express 0.0002 in scientific notation.
2 x 10-4
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(3 x 105)(2 x107) =
6 x 1012
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(7 x 103)(5 x 108)
3.5 x 1012
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