Math Flashcards
1
Q
Divisible by
A
Means it can be evenly divided without remainder
2
Q
Place value
A
Millions
Hundred thousands
Ten thousands
Thousands
Hundreds
Tens
Ones
3
Q
Distance around and object, add lenght of all sides
A
Perimeter
4
Q
Perimeter of a circle is called
A
Circumference formula = 2piR
5
Q
Lenght x widht
A
Area
6
Q
Area of circle
A
Pi r 2
7
Q
Area of a triangle
A
1/2 (bxh)
8
Q
Slope intercept form
A
y= mx+b
9
Q
How to determine slope
A
(2,1) and (4,3)
y 3-1=2
x 4-2=2
2/2= 1
10
Q
All 3 sides have the same lenght and all 3 angles have the same measurement
A
Equilateral triangle
11
Q
2 sides have the same lenght and 2 angles have the same measurement
A
Isosceles triangle
12
Q
All 3 sides have different lenghts and all 3 angles have different measurements
A
Scalene triangle
13
Q
Flat sides of solid figures
box= 6
cone= 1
A
Faces
14
Q
2 or more edges come together like a corner
A
Vertex/ vertices
14
Q
Are where 2 faces come together or meet
A
Edges
15
Q
Turn
Slide
Slip
A
Rotation
Translation
Reflection
16
Q
Lines that intersect and form right angles (9’)
A
Perpendicular lines
16
Q
Patterns of polygons or shapes that repeat without any spaces or overlaps
A
Tessellations
17
Q
Angles exactly 90’
A
Right angles
17
Q
Run in the same direction and never intersect
A
Parallel lines
18
Q
Angles less than 90’
A
Acute angles
19
Q
Angles of a triangle add up to
A
180’
19
Q
Angles more tha 90’
A
Obtuse angles
20
Q
Sum of 90’
A
Complimentary angles
21
Angles of a 4 sided shape add up to
360'
22
Sum of 180'
Supplementary angles
23
Probability
Ratio of desired/chose
--------------------------------------
total possible outcomes
24
Single outcome/only one outcome
Simple event
25
Probability calculated during an experiment
Exprimental probability
26
2 or more outcomes
Compound event
27
Number of selected/desired outcomes divided by the total number of outcomes
Theoretical probability
28
Artifacts in Africa show people attempted to quantify time 20,000 years ago
Prehistoric mathematical
29
Developed a Mesopotamian (now Iraq) convention of 360'
Babylon mathematics
29
Used a rod numeral system
Chinese mathematics
30
Credited with coining the term mathematics which comes from the Ancient Greek. Greek are responsible for what is taught in geometry
Pythagoreans
31
Replace physical manipulatives with pictures/symbols (pictoral stage)
Representational stage
31
Follows a pattern
Arithmetic
32
Follows a formula
Non-arithmetic
33
Planning the goal/objective then the assessment then the lesson(s)
Backwards planning
34
Modeling with a physical represention (young)
Concrete stage
35
Replace symbols with proper numbers and mathematical notations.
Equations / pre-algebra (older)
Abstract stage
36
Auditory
Hearing
37
Kinesthetic
Hands-on
38
Preoperational
2-7 years old
39
Formal operational
12+ years old
39
Sensorimotor
Birth - 2 years old
40
Concrete operational
7-11 years old
41
Information changes over time
Line graph
42
Part to whole percentage of types of relationships
Pie graph
43
Least common factor of two numbers will always be
1
44
Largest factor that all the numbers share
9: 1, 3, 9
12: 1, 2, 3, 4, 6, 12
=3
Greatest common factor (GCF)
45
Numbers that can only be divided evenly between 1 and itself
(for example 1 & 5)
Prime number
45
Smallest in common
3: 3, 6, 9, 12, 15, 18
5: 5, 10, 15, 20
= 15
Least common factor (LCM)
46
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
Irrational numbers
46
Any value that can be represented on a number line, includes rational and irrational numbers
Real numbers
46
Whole numbers, numbers that are not fractions and do not include decimals, can be positive or negative
Integers
47
Any number that can be written as a fraction using two integers
Rational number
48
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
Distributive property
48
Numbers can be grouped in a product in any way using parenthesis and still get the same result
(3x5)x2=3x(5x2)
Associative property of multiplication
49
Numbers can be multiplied in any order and the result will remain the same
5nx2=2x5n
Communative property of multiplication
49
Numbers can be grouped in a sum in any way using parenthesis and still get the same result
(3+1)+2 =3+(1+2)
Associative property of addition
50
A solution with specific steps you follow. Follow the stepds and you end up with the correct solution
Algorithm
51
Shows how a student performs relatively to their peers
Norm-referenced test
52
Numbers can be added in any order without changing the result
5+3=3+5
Communative property of addition
53
Assess a student´s knowledge of certain skills and criteria
Criterion-referenced test
54
4th stage of Piaget´s stages of cognitive development
Formal operational stage
11-16 yrs
55
3rd stage of Piaget´s stages of cognitive development
Concrete operational stage
7-11 yrs
55
2nd stage of Piaget´s stages of cognitive development
Pre-operational stage
2-7 yrs
55
Stage 1 of Piaget´s stages of cognitive development
Sensorimotor stage birth
-2 yrs
56
How to find the median
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
How to find the mean
Add all the values in the set and then divide by the total number of values
57
How to find the mode
Put numbers in order ad find the one that repeats/appears the most
58
How to find the range
Subtract that lowest value from the highest
59
Converting % to a ratio
75% to 0.75
0.75 to 75/100 to 3/4
3/4 to 3:4
60
Categorical data
Bar graph
61
Converting centimeters to millimeters
Multiply by 10
62
Converting meters to centimeters
Multiply by 100
63
Convertgin km to m
Multiply by 1000
64
Converting ml to liters
Divide by 1000
64
Converting kg to grams
Multiply by 1000
64
Converting liters to kiloliters
Divide by 1000
65
Converting grams to mg
Multiply by 1000
66
Way to help remember the metric system
Kilo, Hecto, Deca, Unit, Deci, Centi, Milli
Kindergarteners Have Disney Umbrellas During Cloudy Monsoons
66
Bloom´s Taxonomy
Remember
Understand
Apply
Analyze
Evaluate
Create
