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Logic (math) > Saxon 8/7 > Flashcards

Saxon 8/7 Flashcards

0
Q

Ellipsis

A

Three dots(…) mean that the list is infinite or goes on without and

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1
Q

Counting numbers

Or natural numbers

A

The numbers we say when we count

{1,2,3,4,5,…}

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2
Q

{ }

A

These symbols are called braces. One use of braces is to designate a set.

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3
Q

Whole numbers

A

Including zero with the set of counting numbers forms the set of whole numbers.
{0,1,2,3,4…}
The set of whole numbers does not include any numbers less than zero, between zero and one, or between any consecutive counting numbers.

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4
Q

The four fundamental operations of arithmetic

A

Addition, subtraction, multiplication, and division

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5
Q

Addends

A

The numbers in an addition problem that are added together

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6
Q

Sum

A

The answer to an addition problem

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7
Q

Subtrahend

A

The number in a subtraction problem being subtracted

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8
Q

Minuend

A

The number in a subtraction problem being subtracted from.

Minuend-subtrahend=difference

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9
Q

Difference

A

The result of a subtraction problem

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10
Q

Product

A

The result of a multiplication problem

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11
Q

Factor

A

1) The numbers in a multiplication problem that are being multiplied together
2) a whole number that divides another whole number without a remainder.
3) to write as a product of factors. We can factors the number 6 by writing it as 2 x 3.

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12
Q

Ways to indicate multiplication

A

4 x 5
4 · 5
4(5)
ab

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13
Q

Dividend

A

The number being divided

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14
Q

Divisor

A

The number being used to divide

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15
Q

Quotient

A

The result of a division problem

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16
Q

Ways to indicate division

A 
Division sign ( ÷ )
Division box (        )
Division bar ( - )
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17
Q

Variable

A

Letters used to represent numbers in formulas and expressions

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18
Q

Evaluate

A

We evaluate an expression by calculating its value when the variables are assigned specific numbers

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19
Q

Fact family

A

A group of three numbers related by addition and subtraction for by multiplication and division. Four mathematical fact statements can be formed using the numbers in a fact family.

The numbers 3, 4, and 7 are a fact family they make these four facts:
3+4=7, 4+3 = 7, 7-3 = 4, 7-4 = 3

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20
Q

Identity property of addition

A

States that when zero is added to a given number, the sum is equal to the given number.
a +0 = a

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21
Q

Commutative property of addition and multiplication

A

a+b=b+a, a x b=b x a

Changing the order of addends or factors does not change the sum.

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22
Q

Identity property of multiplication

A

States that when a given number is multiplied by 1 the result equals the given number.

a x 1 = a

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23
Q

Inverse operations

A

Operations that “undo” one another. Addition and subtraction or multiplication and division.

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24
Q

The property of zero for multiplication

A

States that when he number is multiplied by zero the product is zero

25
Q

Perfect square

A

When we multiply a counting number by itself the product is a perfect square

26
Q

associative property of addition or multiplication

A

States that the grouping of addends or factors does not change the sum or product.
(A + B) + C = A + (B + C)
(A x B) x C = A x (B x C)

27
Q

Number line

A

A line for representing and graphing numbers each point on the line corresponds to a number

28
Q

Equation

A

A statement that uses the symbol “=” to show that two quantities are equal

29
Q

Origin

A

The zero point on a number line

30
Q

Positive numbers

A

Numbers to the right of the origin. Greater than zero

31
Q

Negative numbers

A

Numbers to the left of the origin. Less than zero

32
Q

Integers

A

Include all of the counting numbers as well as their opposites (their negatives) and the number zero

33
Q

Comparison symbol

A 
Greater than (>)
Less than (<)
Equal to (=)
34
Q

Factors of a number

A

The whole numbers that divide the number without the remainder

35
Q

Place value

A

The value of a digit based on its position within a number.

36
Q

Common factor

A

Factors that two numbers have in common

37
Q

Greatest common factor

A

The largest factor that two numbers have in common

38
Q

Line

A

A straight collection of points extending in opposite directions without end.

39
Q

Divisible

A

Able to be divided by another whole number with no remainder

40
Q

Plane

A

A flat surface that has no boundaries. the flat surface of a desk is part of a plane.

41
Q

Geometry

A

A major branch of mathematics that deals with shapes, sizes, and other properties of figures. Some figures we study in geometry are angles, circles, and polygons.

42
Q

Ray

A

A part of a line that begins at a point and continues without end in one direction.

43
Q

Segment

A

A part of a line with two distinct endpoints.

44
Q

Intersect

A

To share a common point or points.

45
Q

Parallel lines

A

Lines in the same plane that do not intersect

46
Q

Perpendicular

A

Two lines that intersect at right angles

47
Q

Angle

A

The opening that is formed when two lines, rays or segments intersect

48
Q

Oblique

A

1) A line that is neither horizontal or vertical.

2) lines in the same plane that are neither parallel nor perpendicular

49
Q

Vertex

A

A point of an angle, polygon, or polyhedron where 2 or more lines, rays, or segments meet. Plural is vertices

50
Q

Right angle

A

An angle that forms a square corner and measures 90°. It is often Marked with a small square

51
Q

Acute angle

A

An angle whose measure is between 0° and 90°. An acute angle is smaller than both a right angle and an obtuse

52
Q

Straight angle

A

An angle that measures 180° and thus forms a straight line

53
Q

Obtuse angle

A

An angle whose measure is between 90° and 180°. An obtuse angle is larger than both a right angle an acute angle.

54
Q

Fraction

A

A number that names part of the whole.

55
Q

Percent

A

A fraction was denominator of 100 is expressed as a percent sign. %

56
Q

Mixed number

A

A whole number and a fraction together

57
Q

Reciprocal

A

The result of inverting a fraction.

58
Q

The product of a fraction and it’s reciprocal

A

Always 1

59
Q

Invert

A

To switch the numerator and denominator of a fraction

60
Q

Improper fraction

A

A fraction with a numerator equal to or greater than the denominator

Logic (math) (2 decks)

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