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45 Cards in this Set
- Front
- Back
Name the smallest 5 Whole Numbers.
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0, 1, 2, 3, 4
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Name the set of Natural Numbers.
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{1, 2, 3, 4...}
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What is each item in a set called?
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element
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Besides one, what can a Prime Number be divided by?
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itself
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What is the only even Prime Number?
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2
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What are the smallest 5 Prime Numbers?
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2, 3, 5, 7, 11
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How many of the smallest 5 Prime Numbers are odd?
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4
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Is 0 an element of the Whole Number set?
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yes
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Is 0 an element of the Natural Number set?
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no
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Is 0 an element of the Integer set?
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yes
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Integers include all the Whole Numbers and what?
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their opposites
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What is {...-3, -2, -1, 0, 1, 2, 3...} called?
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set of integers
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Which Whole Number is neither positive or negative?
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0
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How many Whole Numbers are greater than -3 and less than 4?
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4
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What two Integers are 4 units from zero on the number line?
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4 and -4
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|-3|
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3
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|4|
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4
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|-2.6|
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2.6
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|-3| + |3| - (-5)
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11
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(-6) - |-6| + (3)(2)
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6
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(Fill in the blank) When adding integers of the same sign, we add their _____, and give the result the same sign.
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Absolute Values
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(Fill in the blank) When adding integers of the _____ signs, we take their absolute values, subtract the smaller from the larger, and give the result the sign of the integer with the larger absolute value.
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opposite
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(Fill in the blank) _____ an integer is the same as adding its opposite.
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Subtracting
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67 + (+32)
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99
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-34 - (-33)
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-1
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(Fill in the blank) To multiply a pair of integers if both numbers have the same sign, their product is the product of their _____ (their product is positive).
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absolute values
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(Fill in the blank) If the numbers have opposite signs, their product is the opposite of the _____ of their absolute values (their product is negative).
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product
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(Fill in the blank) In the product 4 • 3, both numbers are _____, so we just take their product.
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positive
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(Fill in the blank) In the product
- 4 • - 5, both numbers are negative, so we take the product of their _____. |
absolute values
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(Fill in the blank) In the product of
- 7 • 6, the first number is negative and the second is positive, so we take the product of their absolute values, and give this result a _____. |
negative sign
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(Fill in the blank) In the product of
12 • (-2), the first number is positive and the second is negative, so we take the product of their absolute values, and give this result a _____. |
negative sign
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(Fill in the blank) If the number of factors in a multiplication problem is even, the product is _____.
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positive
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(Fill in the blank) If the number of factors in a multiplication problem is odd, the product is _____.
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negative
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4 • (-2) • 3 • (-11) • (-5)
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-1320
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(Fill in the blank) To add or subtract fractions, the must be converted to common _____.
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denominators
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Margaret has a cooking project. She needs 2/3 cup of butter for the cake and 1 1/4 cups of butter for the icing. How much butter will she need?
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1 11/12 cups of butter
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Harold has worked 1 5/8 hours and 4 3/4 hours on two days this week. How many hours has he worked?
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6 3/8 hours
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Caroline has a project for which she must use a 2 foot length of board. If she has used 1 3/8 of it today, how much remains?
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5/8 feet
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(Fill in the blank) To multiply Fractions
change mixed numbers to _____ fractions. |
improper
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(Fill in the blank) To multiply Fractions multiply _____ and multiply denominators.
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numerators
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(Fill in the blank) A _____ is a fraction inverted (turned over).
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reciprocal
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(Fill in the blank) To add and subtract Decimals line up the _____ using the decimals.
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numbers
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5.6 + 4 + 3.75
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13.35
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65.4 - 6.54
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58.86
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18 - (6.7 + 3.45)
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7,85
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