Mathematics CBRC Meaning

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It is a proposition which is consistent with know data, but has neither been verified nor shown to be false.

Conjecture

A cube has a volume of 64 cubic meters. How many dimensions of a cube?

4 meters x 4 meters x 4 meters

It is a relation for which each value from the set of the first components of the ordered pairs is associated with exactly one value from the set of second components of the ordered pairs.

Function

How many vertices on a rectangular solid?

8 vertices

A regular solid where the length, width and height are equal.

Cube

A set of all possible outcomes of a random experiment is called

Sample space

A statement is called _________ if the connective "if and only" is used.

Biconditional

It is a statement that can be demonstrated to be true but by accepted mathematical operations and arguments.

Theorem

A(B+C+D) has the same value with

AB+AC+AD

It usually used with the multi-based arithmetic blocks in developing numeration concepts.

Algebra tiles

All right angles are

equal

It has been described as the greatest "might-have-been" in the history of mathematics.

Biases pascal

These are numbers that used to measure the number of elements in a given set.

Cardinal numbers

It is a learning disability in math

Dyscalcula

It is the Mathematics that is pervasive in identifiable cultural groups.

Ethnomathematics

He invented a method of determining the optimal values of a linear function subject to certain constraints. This method is know as linear programming.

George dantzig

It is a method of determining the optimal values of a linear function subject to certain constraints.

Linear programming

He is also known as the Father of problem solving.

George polya

If two angles have their respective legs parallel, they are equal or

Supplementary angle

It is not a part of the core cognitive process.

Imposing

It is a type of proof in which a statement to be proved is assumed false and if the assumption leads to an impossibility, then the statement assumed false has been proved to be true.

Indirect proof

It is a type of proof in which a statement to be proved is assumed false and if the assumption leads to an impossibility, then the statement assumed false has been proved to be true.

Contraceptive proof

It is the process of reaching a general conclusion by examining specific examples.

Inductive reasoning

He is an 18th century Swiss mathematician that introduced the "Law of Large numbers" in his "The art of conjecture." In statistics, this implies that the larger the sample, the more likely will the sample become representative of the population.

Jacob bernouli

Let p abd q be statements. Then what is this called p --> q is q --> p.

Contrapositive

It is measurements of central tendency thar is not influenced by outliers.

Mean

Hexagon is

Polygon

Sound intensity which is measured using decibel scale also uses common logarithm. Decibel is named after

Alexander graham bell

This is era where the importance of mathematics in science stimulated a new mathematics culture where heavy emphasis was given to the proper instruments for measuring, observing, calculating and recording information.

16th century

These are manipulative materials that would help the students discover the formula for the surface area and volume of a prism and pyramid.

3D models

The approximate shape of the earth is

Sphere

What is the closest value to the square root of 4000?

The correct English translation for the mathematics expression

Sum of the cube of two numbers

It is illustrated in p^(qVr) = (p^q) v (p^r)

Distributive law

The domain of (see the picture) is the set of

All real numbers except 1 and -1

The end goal of mathematical investigation is

Generalization

The exponent in the expression

It is organized in a way a number can be obtained by adding the two previous numbers.

Fibonacci sequence

The four smallest elements of the set {y l y=2x + 1, x € natural numbers are

3, 5, 7 and 9

The grades of students A in Mathematics are as follows: 80, 75, 60, 95 and 100. The range of student A's score is

60 - 100

The intersection of Sets A and B is defined by A B ={x l x € A and x € B}. If A = {a, b, c, d, e} and B = {a, c, f, g}, then AB =

AB = {a, c}

The largest common factor of two or more numbers is called

Greatest common factor

The next three terms in the progression 1/125, 1/25, 1/5, ...

1, 5 ,25

It is a scale of measurement that concerns with categorical data.

Nominal scale

The number 221 is not a multiple of

It is said to be the most basic pattern in nature.

Pattern of rhythm

It is unpredictable and it often contains fractals.

Pattern of visuals

It illustrates how a portion of the data relates with thw whole.

Pie graph

The property illustrates in 5+(2+6)=(5+2)+6 is

Associative property

The side opposite the right angle of a right triangle is the _________ and each of the other two sides is called the _______

Hypotenuse, Leg

The simplified expression of (csc A) (tan A) is

Sec A

The simplified expression of

1/(x+1)

The slope of the equation 5y = 3x + 10 is

3/5

The small number of observation taken from the total number making up a population is called a

Sample

The sum of the sides of a polygon is called the

Perimeter

The value of

The sum of three consecutives integers is 123. These three integers are

40, 41, 42

How many prime numbers between 1 and 100?

How many numbers that can be formed from the digits 3, 4, 5, 6, 7 without repeating any digit?

Sixty three-digit numbers or 63

These were two outstanding astronomers who contributed notably to mathematics in the early part of seventh century: The German ________ and The italian __________

Johann keppler, Galileo galilei

Three consecutive numbers have a sum of 117. These numbers are

38, 39 and 40

To express that there is a significant difference between the food values of the nutrition students (1) and those of the nursing students (2), where x1 is the mean of (1) and x2 is the mean of (2), we write

Ha: x1 x2

Two sets, say A and B are said to be __________ if and only if they are mutually exclusive or if they don't have common elements.

Disjoint sets

Two sets A and B are said to be __________ if and only if they have the same exact number of elements.

Equivalent sets

We do problem solving and mathematical investigation to

Inform research

What kind of pattern consists of a series of shapes that are typically repeated?

Geometric pattern

What type of pattern is common and noticeable among plants and some animals?

Spiral pattern

What do we call a figure can be folded or divided into two with two halves which are the same?

Symmetric figure

What type of symmetry when the left half of a pattern is the same as the right half?

Reflection symmetry

What do we call to an ordered list of numbers called terms, that may have repeated values?

Sequence

What sequence is the reciprocal of the terms behaved in a manner like arithmetic sequence?

Harmonic sequence

It made up of squares whose sizes is behaving like the Fibonacci sequence?

Golden rectangle

What are the characteristics of Mathematical language?

Precise, consice and powerful

Translate the sentence into a mathematical equation: "Two ninths of a number is eleven."

2/9x = 11

It is a collection of well defined objects.

Set

What do we call the members of a set?

Element

What type of set contains only one element?

Unit set

What type of set has no element?

Empty set

It is an illustration of the relationship between and among sets, groups of objects that share something in common.

Venn diagram

What is the study of the principle of correct reasoning, one of the principles in logic that is very much important to study is on how to determine the validity of one's argument?

Logic

It is a statement that can be demonstrated to be true by accepted mathematical operations and arguments.

Theorem

Give two non-empty sets A and B, what do well call the set of all ordered pairs (x, y), where x € A and y € B?

Cartesian product of A and B

A binary operation on a finite set can be represented by a table and this table is called

Cayley table

What type of reasoning is the process of reaching a general conclusion by examining specific examples?

Inductive reasoning

What type of reasoning is process of reaching specific conclusion by applying general ideas or assumptions, procedure or principle or it is a process of reasoning logically from given statement to a conclusion?

Deductive reasoning

What kind of proof assumes that statement to be proved as false and if the the assumption leads to an impossibility, then the statement assumed false has been proved to be true?

Indirect proof

What kind of proof assumes that statement to be proved as false and if the the assumption leads to an impossibility, then the statement assumed false has been proved to be true?

Contrapositive proof

Who is the Father of problem solving?

George polya

What are the four steps of George polya's problem solving method?

1. Understand the problem 2. Devise a plan 3. Carry out the plan 4. Look back or review the solution

What is the study of art of writing and solving codes?

Cryptography

What type of statistica "describes" data in symbolic forms and abbreviated fashions?

Descriptive statistics

What type of statistics has the ability "infer" and to generate and to offer the right tool to predict values that are not really know?

Inferential statistics

It is something that can be measured and observed to vary.

Variable

What scale of measurement is concerned with categorical data?

Nominal scale

What scale of measurement is concerned with ranked data?

Ordinal scale

It is a small number of observations taken from the total number making up a population?

Sample

What measure of central tendency is the most frequently occuring score in a distribution?

Mode

What measure of variability describes the variability of scores by merely providing the width of the entire distribution?

Range

What is the formula for computing the z-score?

z= x - u / 0

100

What kind of graph or plot uses dots to represents values of two different numeric values?

Scatter plot

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