Math-Domain 1 and 4

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5,280 Feet

1 mile

Rational Numbers

All values that can be expressed as a fraction or when expressed in decimal form, the expression either terminates or has a repeating pattern.

deci

1/10

Real Numbers

All rationals and irrationals.

Identity Number for 0 or 1

Any number added to 0 gives that number. Any number multiplied by 1 gives that number.

Composite Numbers

Any number that is not a prime number

Irrational Numbers

Any number that is not a rational

Percentage Change (Increase or Decrease) Formula

Change÷Starting Pointx100=percentage change

Natural Numbers

Counting Numbers like 1, 2, 3,...

Range

The difference between the maximum and minimum scores.

144 square inches

1 sq ft

9 sq ft

1 sq yd

2,000 lbs

1 ton

3 feet

1 yard

36 inches

1 yard

365 days

1 year

52 weeks

1 year

Prime Number

A number greater than 1, and that only has 1 and itself as divisors. (ex:2, 3, 5,7,...)

Multiplicative Inverse

A value that when multiplied with any non-zero number equals 1. Any non-zero-number multiplied with its multiplicative inverse equals one. 4/5×5/4=1

Additive Inverse of a Number

A value that, when added to any number, equals 0. Any number added to its additive inverse equals zero. The additive inverse of 7 is -7 and vise versa. 7+-7=0

Intergers

...-3,-2,-1,0,1,2,3,.. (Does not include fractions!!!)

Whole Numbers

0, 1, 2, 3...

4 pecks

1 bushel

100 years

1 century

10 years

1 decade

12 inches

1 foot

4 quarts

1 gal

16 oz

1 lb

1,760 yards

1 mile

2 cups

1 pint

2 pints

1 qt

Centi

1/100

Milli

1/1000

deca

10

hecto

100

kilo

1000

Distributive Property

Multiplication outside parentheses distributing over either addition or subtraction inside parentheses does not affect the answer.

Associative Property

The grouping, without changing the order, does not affect the answer. 8+(4+2)=(8+4)+2 or 8×(2x5)=(8x2)x5

Mean

The mean of a set of data is the sum of the data values divided by the number of data values. Average

Median

The median of a set of data is the value in the middle so that there are an equal number of data values to either side of it.

Mode

The mode of a set of data is the value repeated most often.

Commutative Property

The order in which addition or multiplication is done does not affect the answer. 2+3=3+2 or 2×3=3×2

Probability

The probability of an event is the comparison of the total number of favorable outcomes to the total number of possible outcomes.


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