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Directed Line Segment: VECTORS • A line segment with direction is called a directed line segment. • If ‘A’ and ‘B’ are two distinct points in the space‚ then the ordered pair (A‚ B) is called as a directed line segment and is denoted by """""# . ! • In """""# ‚ ‘A’ is called initial point and ‘B’ is called terminal ! point of """""# . ! • The distance from ‘A’ to ‘B’ is called the length or magnitude of """""# . The length or magnitude of """""# ! ! is denoted by ’"""""# ’. Thus
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Montessori way of teaching mathematic is truly a wonderful and interesting way to learn the concepts of mathematics. Mathematic is very important for our daily life. Mathematic relates to numbers and numbers are around us all the time‚ so it is very important to introduce numbers to the child at very early age‚ but before you introduce numbers it is important to lay a strong foundation of practical life activities and sensorial training to the child. Practical life activities allows the child to
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HOW DOES THE CHILD PROGRESS FROM CONCRETE TO ABSTRACT IN THE MATHEMATICS MATERIALS‚ Mathematics is the most eye opening of the entire Montessori curriculum. It is full of fascinating and beautiful hands on materials that bring the mathematical concept to life. The goal of Dr. Montessori was not just to teach the children the children to recognize numbers and calculate but enable them to think logically. The mathematics materials develop the child mathematical mind‚ the ability to reason abstract
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voltage/current signals by a phasor is first explained. The polar/Cartesian (rectangular) form of phasor‚ as complex quantity‚ is described. Lastly‚ the algebra‚ involving the phasors (voltage/current)‚ is presented. Different mathematical operations – addition/subtraction and multiplication/division‚ on two or more phasors‚ are discussed. Keywords: Phasor‚ Sinusoidal signals‚ phasor algebra After going through this lesson‚ the students will be able to answer the following questions; 1. What is meant by
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Functions of Combinational Circuits • Adders A circuit to perform addition of two binary numbers‚ to produce a sum and carry out‚ is called a HalfAdder. In multi-bit binary numbers‚ after adding the two least significant bits‚ the addition becomes one of adding two operands plus the carry produced by the previous add. The circuit to implement this operation is called a Full-Adder. A circuit to add two multi-bit binary numbers together in parallel‚ or at least pseudo-parallel is called a ripple-carry
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25 ≡ 1 mod 12‚ we simply add 1 to 5: 5 + 25 ≡ 5 + 1 ≡ 6 mod 12. Usual addition would suggest that the later time should be 5+25=30‚ however‚ this is not the answer because a clock time only “wraps around” every 12 hours and there is no such thing as 30 o’clock. Therefore‚ using arithmetic modulus‚ the clock will read 6:00 the next day instead of 30:00. Using arithmetic modulo‚ we would create a number system with addition and multiplication in which only certain numbers exists. For example‚ with
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1. (1.OA.1) Use addition and subtraction within 20 to solve word problems involving situations of adding to‚ take from‚ putting together‚ taking apart‚ and comparing‚ with unknowns in all positions‚ e.g.‚ by using objects‚ drawings‚ and equations with a symbol for the unknown number to represent the problem. 3. (1.OA.3) Apply properties of operations as strategies to add and subtract. Examples: If 8 + 3 = 11 is known‚ then 3 + 8 =11 is also known. (Commutative property of addition.) To add 2 + 6 +
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probability of them both occurring at the same time is 0. Disjoint: P (A and B) = 0 If two events are mutually exclusive‚ then the probability of either occurring is the sum of the probabilities of each occurring. Specific Addition Rule Only valid when the events are mutually exclusive. P (A or B) = P (A) + P (B) Example 1: Given: P(A) = 0.20‚ P(B) = 0.70‚ A and B are disjoint I like to use what’s called a joint probability distribution. (Since disjoint
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being a science‚ is simply just a creation invented for the present times. We‚ as humans‚ learn regular arithmetic as children‚ with games such as marbles and other fun counting games. Eventually‚ as we get to elementary school‚ we learn the use of addition‚ subtraction‚ division‚ and multiplication‚ the basics essentially. Math tends become more complex as we move on to middle school and high school. Middle school and high school is where we eventually start using higher arithmetic to understand the
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