Praxis Mathematics 5903
cardinal numbers - CORRECT ANSWER-counting numbers (1..2..3..),
specifically used for stating 'how many' of something there are
ordinal numbers - CORRECT ANSWER-numbers that describe position or order
(first, second . . .) of something in a list
expanded form - CORRECT ANSWER-a number written as the sum of the
values of its digits (I.E 872 -> 800 + 70 + 4)
expanded notation - CORRECT ANSWER-A number written as a product of its
place values [I.E 874 -> (80 x 100) + (7 x 10) + (4 x 1)]
scientific notation - CORRECT ANSWER-a method of expressing a quantity as a
number multiplied by 10 to the appropriate power (I.E 4,000,000 -> 4 x 10^6)
attribute blocks - CORRECT ANSWER-ideal for working on teaching sorting,
patterns, and attributed of geometrical figures
base-10 blocks - CORRECT ANSWER-Blocks which show base 10 number
values
bar diagram - CORRECT ANSWER-A bar diagram is used to illustrate number
relationships.
Fraction strips - CORRECT ANSWER-a representation that shows the different
ways fractions can be broken into equal parts
Additive Identity Property - CORRECT ANSWER-The sum of any number and
zero is that number a+0=a
, Inverse Property - CORRECT ANSWER-the sum of a number and its opposite is
0 a+(-a)=0
The product of a number and it's multiplicative inverse is 1 a(1/a) = 1
Distributive Property - CORRECT ANSWER-a(b + c) = ab + ac
reciprocal - CORRECT ANSWER-a number that, when multiplied by another
number, gives 1 (I.E 3's reciprocal is 1/3)
1/3 and 2/3 as a decimal - CORRECT ANSWER-0.33, 0.66 (repeating)
1/5, 2/5, 3/5, and 4/5 as a decimal - CORRECT ANSWER-0.2, 0.4, 0.6, 0.8
1/9 -> 8/9 as a decmial - CORRECT ANSWER-0.11 repeating, 0.22 repeating,
and so on
1/8 as a decimal - CORRECT ANSWER-0.125
converting decimal to percent - CORRECT ANSWER-move the decimal point
two place values to the right
ratio - CORRECT ANSWER-A comparison of two quantities by division, use of a
colon, or use of the word "to"
rate - CORRECT ANSWER-A ratio that compares two quantities measured in
different units (I.E 25 miles/ 1 hour)
proportion - CORRECT ANSWER-An equation stating that two ratios are equal
(used to solve problems asking for a 4th value)
prime number - CORRECT ANSWER-A whole number that has exactly two
factors, 1 and itself.
composite number - CORRECT ANSWER-A number with more than two factors
GCF (Greatest Common Factor) - CORRECT ANSWER-The largest number that
can divide each number from a set of numbers without a remainder.
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