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Health/Etymology/Math > Algebra 1 - lessons 1-4 > Flashcards

Algebra 1 - lessons 1-4 Flashcards

1
Q

What is a mixed number?

A

The sum of a whole number and a fraction

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2
Q

What is a mathematical line?

A

A straight line with no width or ends

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3
Q

What is a line segment?

A

A part of a line

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4
Q

When 2 lines cross, they…?

A

Intersect

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5
Q

What is the point where the 2 lines intersect called?

A

Point of intersection

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6
Q

What do we call 2 lines that are in the same plane and don’t intersect?

A

Parallel lines

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7
Q

What are the lines that make square corners at the intersection point called?

A

Perpendicular lines

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8
Q

What are the angles made by perpendicular lines called?

A

Right angles

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9
Q

What do 2 right angles form?

A

A straight angle.

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10
Q

What is an angle smaller than a right angle called?

A

Acute angle

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11
Q

What is an angle larger than a right angle called?

A

Obtuse angle

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12
Q

What is a polygon?

A

Simple, closed, flat geometric figure whose sides are line segments

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13
Q

A polygon’s sides are always equal to the number of its…?

A

Vertices

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14
Q

What do you call a polygon with an indentation?

A

Concave polygon

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15
Q

What do you call a polygon without an indentation?

A

Convex polygon

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16
Q

What do you call a polygon whose sides all have the same length?

A

Equilateral polygon

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17
Q

What do you call a polygon whose angles all have the same measure?

A

Equiangular polygon

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18
Q

What do you call polygons in which both all sides have the same length and all angles have the same measure?

A

Regular polygon

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19
Q

What are tick marks used for?

A

They show which sides have equal length and which angles have equal measure

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20
Q

How many degrees do all three-angled triangles have when the angles add up?

A

180 degrees

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21
Q

What do you call a triangle with a right angle?

A

Right triangle

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22
Q

What do you call a triangle with each of its angles being less than 90 degrees?

A

Acute triangle

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23
Q

What do you call a triangle with an angle that’s more than 90 degrees?

A

Obtuse triangle

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24
Q

What do you call a triangle with all of its angles having equal measure?

A

Equiangular triangle

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25
Q

What do you call a triangle with 2 sides of equal length?

A

Isosceles triangle

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26
Q

What do you call a triangle where all its sides have equal length?

A

Equilateral triangle

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27
Q

What do you call a triangle where each of its sides have a different length?

A

Scalene triangle

28
Q

In any triangle, the angles opposite sides of equal lengths have equal measures, and vice versa; true or false?

A

True

29
Q

What do the three angles in any triangle equal when added together?

A

180 degrees

30
Q

What do you call a quadrilateral that has 2 pairs of parallel sides?

A

Parallelogram

31
Q

What do you call a quadrilateral that has exactly 2 parallel sides?

A

Trapezoid

32
Q

What do you call a parallelogram with 4 right angles?

A

Rectangle

33
Q

What do you call an equilateral parallelogram?

A

Rhombus

34
Q

What do you call a rhombus with 4 right angles?

A

Square

35
Q

What does perimeter mean?

A

The measure/distance around

36
Q

What do you call the point on a circle that equals the same distance from the circle’s center?

A

Radius

37
Q

What do you call the thing that is twice the length of the radius of a circle?

A

Diameter

38
Q

What do you call a circle’s perimeter?

A

Circumference

39
Q

What is an example of an irrational number?

A

Pi (3.14)

40
Q

A number is an idea; true or false?

A

True

41
Q

The value of a numeral is the number represented by that numeral; true or false?

A

True

42
Q

What do we call the numbers that we use to count objects/things?

A

Natural/counting numbers

43
Q

What do we call any number that can be used to describe a physical distance greater than 0?

A

Positive real number

44
Q

0 is a positive number; true or false?

A

False

45
Q

0 is a real number; true or false?

A

True

46
Q

All positive real numbers don’t have negative counterparts; true or false?

A

False

47
Q

What do we call positive numbers’ negative counterparts?

A

Negative real numbers

48
Q

Is a numeral with no sign positive or negative?

A

Positive

49
Q

Negative numbers and positive numbers are also known as ____ numbers

A

Signed

50
Q

What is the base point of a number line associated with 0 called?

A

Origin

51
Q

What does it mean to place a dot on a number line and have it indicate the location of a number?

A

Graph a number

52
Q

The dot is the _____ of the _____ (on a number line)

A

Graph, number

53
Q

A number is the _____ of the _____ (on a number line)

A

Coordinate, point

54
Q

How can we tell if one number’s graph is greater than another number’s graph (on a number line)?

A

Whichever is furthest on the right

55
Q

What is the term for both the numbers being added together and the result of those numbers being added together?

A

Addend, sum

56
Q

When subtracting one number from another, what is the first number called, the second number called, and the result called?

A

Minuend, subtrahend, difference

57
Q

What is the term for both the numbers being multiplied together and the result of those numbers being multiplied together?

A

Factor, product

58
Q

When dividing numbers, what do we call the first number, the second number, and the result?

A

Dividend, divisor, quotient

59
Q

What are unit multipliers?

A

Numbers with units being multiplied together that can change the units of numbers

60
Q

How many ft = 1yd?

A

3 ft

61
Q

How many in = 1 ft?

A

12 in

62
Q

How many ft = 1 mile?

A

5280 ft

63
Q

How many cm = 1 in?

A

2.54 cm

64
Q

How man cm = 1 m?

A

100 cm

65
Q

How many mm = 1 cm?

A

10 mm

66
Q

How many m = 1 km?

A

1000 m

Health/Etymology/Math (14 decks)

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