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45 Cards in this Set

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