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Ec-6 391 > Math > Flashcards

Math Flashcards

1
Q

Divisible by

A

Means it can be evenly divided without remainder

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2
Q

Place value

A

Millions
Hundred thousands
Ten thousands
Thousands
Hundreds
Tens
Ones

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3
Q

Distance around and object, add lenght of all sides

A

Perimeter

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4
Q

Perimeter of a circle is called

A

Circumference formula = 2piR

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5
Q

Lenght x widht

A

Area

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6
Q

Area of circle

A

Pi r 2

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7
Q

Area of a triangle

A

1/2 (bxh)

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8
Q

Slope intercept form

A

y= mx+b

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9
Q

How to determine slope

A

(2,1) and (4,3)
y 3-1=2
x 4-2=2
2/2= 1

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10
Q

All 3 sides have the same lenght and all 3 angles have the same measurement

A

Equilateral triangle

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11
Q

2 sides have the same lenght and 2 angles have the same measurement

A

Isosceles triangle

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12
Q

All 3 sides have different lenghts and all 3 angles have different measurements

A

Scalene triangle

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13
Q

Flat sides of solid figures
box= 6
cone= 1

A

Faces

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14
Q

2 or more edges come together like a corner

A

Vertex/ vertices

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14
Q

Are where 2 faces come together or meet

A

Edges

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15
Q

Turn
Slide
Slip

A

Rotation
Translation
Reflection

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16
Q

Lines that intersect and form right angles (9’)

A

Perpendicular lines

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16
Q

Patterns of polygons or shapes that repeat without any spaces or overlaps

A

Tessellations

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17
Q

Angles exactly 90’

A

Right angles

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17
Q

Run in the same direction and never intersect

A

Parallel lines

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18
Q

Angles less than 90’

A

Acute angles

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19
Q

Angles of a triangle add up to

A

180’

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19
Q

Angles more tha 90’

A

Obtuse angles

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20
Q

Sum of 90’

A

Complimentary angles

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21
Q

Angles of a 4 sided shape add up to

A

360’

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22
Q

Sum of 180’

A

Supplementary angles

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23
Q

Probability

A

total possible outcomes

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24
Q

Single outcome/only one outcome

A

Simple event

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25
Q

Probability calculated during an experiment

A

Exprimental probability

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26
Q

2 or more outcomes

A

Compound event

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27
Q

Number of selected/desired outcomes divided by the total number of outcomes

A

Theoretical probability

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28
Q

Artifacts in Africa show people attempted to quantify time 20,000 years ago

A

Prehistoric mathematical

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29
Q

Developed a Mesopotamian (now Iraq) convention of 360’

A

Babylon mathematics

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29
Q

Used a rod numeral system

A

Chinese mathematics

30
Q

Credited with coining the term mathematics which comes from the Ancient Greek. Greek are responsible for what is taught in geometry

A

Pythagoreans

31
Q

Replace physical manipulatives with pictures/symbols (pictoral stage)

A

Representational stage

31
Q

Follows a pattern

A

Arithmetic

32
Q

Follows a formula

A

Non-arithmetic

33
Q

Planning the goal/objective then the assessment then the lesson(s)

A

Backwards planning

34
Q

Modeling with a physical represention (young)

A

Concrete stage

35
Q

Replace symbols with proper numbers and mathematical notations.
Equations / pre-algebra (older)

A

Abstract stage

36
Q

Auditory

A

Hearing

37
Q

Kinesthetic

A

Hands-on

38
Q

Preoperational

A

2-7 years old

39
Q

Formal operational

A

12+ years old

39
Q

Sensorimotor

A

Birth - 2 years old

40
Q

Concrete operational

A

7-11 years old

41
Q

Information changes over time

A

Line graph

42
Q

Part to whole percentage of types of relationships

A

Pie graph

43
Q

Least common factor of two numbers will always be

A

1

44
Q

Largest factor that all the numbers share
9: 1, 3, 9
12: 1, 2, 3, 4, 6, 12
=3

A

Greatest common factor (GCF)

45
Q

Numbers that can only be divided evenly between 1 and itself
(for example 1 & 5)

A

Prime number

45
Q

Smallest in common
3: 3, 6, 9, 12, 15, 18
5: 5, 10, 15, 20
= 15

A

Least common factor (LCM)

46
Q

Any real number that cannot be expressed as a fraction, no repeating decimals or terminal decimals, have decimals that do not end and do not repeat

A

Irrational numbers

46
Q

Any value that can be represented on a number line, includes rational and irrational numbers

A

Real numbers

46
Q

Whole numbers, numbers that are not fractions and do not include decimals, can be positive or negative

A

Integers

47
Q

Any number that can be written as a fraction using two integers

A

Rational number

48
Q

When you have a term multiplied by terms in a parenthesis, you have to distribute the multiplication over the terms inside the parenthesis
3n(n+5)=3n2+15n

A

Distributive property

48
Q

Numbers can be grouped in a product in any way using parenthesis and still get the same result

(3x5)x2=3x(5x2)

A

Associative property of multiplication

49
Q

Numbers can be multiplied in any order and the result will remain the same

5nx2=2x5n

A

Communative property of multiplication

49
Q

Numbers can be grouped in a sum in any way using parenthesis and still get the same result

(3+1)+2 =3+(1+2)

A

Associative property of addition

50
Q

A solution with specific steps you follow. Follow the stepds and you end up with the correct solution

A

Algorithm

51
Q

Shows how a student performs relatively to their peers

A

Norm-referenced test

52
Q

Numbers can be added in any order without changing the result

5+3=3+5

A

Communative property of addition

53
Q

Assess a student´s knowledge of certain skills and criteria

A

Criterion-referenced test

54
Q

4th stage of Piaget´s stages of cognitive development

A

Formal operational stage
11-16 yrs

55
Q

3rd stage of Piaget´s stages of cognitive development

A

Concrete operational stage
7-11 yrs

55
Q

2nd stage of Piaget´s stages of cognitive development

A

Pre-operational stage
2-7 yrs

55
Q

Stage 1 of Piaget´s stages of cognitive development

A

Sensorimotor stage birth
-2 yrs

56
Q

How to find the median

A

1- Order numbers low to high
2- Count to see if odd/even
3- Find the middle (if odd)
4- If even, find the pair in the middle, add them together, and divide by 2

57
Q

How to find the mean

A

Add all the values in the set and then divide by the total number of values

57
Q

How to find the mode

A

Put numbers in order ad find the one that repeats/appears the most

58
Q

How to find the range

A

Subtract that lowest value from the highest

59
Q

Converting % to a ratio

A

75% to 0.75
0.75 to 75/100 to 3/4
3/4 to 3:4

60
Q

Categorical data

A

Bar graph

61
Q

Converting centimeters to millimeters

A

Multiply by 10

62
Q

Converting meters to centimeters

A

Multiply by 100

63
Q

Convertgin km to m

A

Multiply by 1000

64
Q

Converting ml to liters

A

Divide by 1000

64
Q

Converting kg to grams

A

Multiply by 1000

64
Q

Converting liters to kiloliters

A

Divide by 1000

65
Q

Converting grams to mg

A

Multiply by 1000

66
Q

Way to help remember the metric system
Kilo, Hecto, Deca, Unit, Deci, Centi, Milli

A

Kindergarteners Have Disney Umbrellas During Cloudy Monsoons

66
Q

Bloom´s Taxonomy

A

Remember
Understand
Apply
Analyze
Evaluate
Create

Ec-6 391 (4 decks)

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