------------------------------------------------- Please read before you come for the next lesson Additional Notes on significant figures When we use an equipment to take measurement‚ it is important to be honest when reporting a measurement‚ so that it does not appear to be more accurate than the equipment used to make the measurement allows. To achieve this‚ we can control the number of significant figures used to report the measurement. When we look at a number‚ its first significant
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2013 SEMI – DETAILED LESSON PLAN IN MATHEMATICS II I. OBJECTIVES 1. Analyze word problems involving sum of arithmetic sequence. 2. Solve word problems involving sum of arithmetic sequence. 3. Relate solving word problems involving sum of arithmetic sequence in real-life situations. II. SUBJECT MATTER Topic: Solving Word Problems involving Arithmetic Sequence Reference: Intermediate Algebra by Dilao and Bernabe Instructional Materials: DLP Projector
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TRANSLATING KEY WORDS AND PHRASES INTO ALGEBRAIC EXPRESSIONS The table below lists some key words and phrases that are used to describe common mathematical operations. To write algebraic expressions and equations‚ assign a variable to represent the unknown number. In the table below‚ the letter “x” is used to represent the unknown. In translation problems‚ the words sum‚ total‚ difference‚ product and quotient imply at least two parts – use parentheses when a sum or difference is multiplied. For
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Zero in Mathematics Zero as a number is incredibly tricky to deal with. Though zero provides us with some useful mathematical tools‚ such as calculus‚ it presents some problems that if approached incorrectly‚ lead to a breakdown of mathematics as we know it. Adding‚ subtracting and multiplying by zero are straightforward. If c is a real number‚ c+0=c c-0=c c x 0=0 These facts are widely known and regarded to hold true in every situation. However‚ division by zero is a far more complicated
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Physical and Chemical Changes Say you are presented with two beakers‚ beaker A and beaker B‚ each containing a white‚ powdery compound. * a. From your initial observations‚ you suspect that the two beakers contain the same compound. Describe‚ in general terms‚ some experiments in a laboratory that you could do to help prove or disprove that the beakers contain the same compound. You may try some of the followings: * Dissolving in water * Dissolving in different chemical solution
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mastered mental arithmetic. Others believe that calculators save pupils time‚ especially with complicated calculations. Discuss both these views and give your own opinion. Nowadays‚ people often use technological equipment in their everyday lives and during performing their jobs due to the fact that the usage of those equipment makes things easier in people’s life. Some people disagrees with the usage of the electronic calculator by pupils until they have mastered mental arithmetic when others
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Arithmetic Circuits Goal for Today Arithmetic COMP375 Computer Architecture and O d Organization i ti • Create logic gates that perform arithmetic Elementary School 17 +7 24 010001 +000111 011000 1 Bit Adder • A one bit adder has three inputs‚ numbers A and B and Carry in. There are two outputs‚ the Sum and Carry out. t t th S dC t A B You add two numbers together. If the sum is greater than the number base‚ you add one to the next column. When you add two numbers‚ you may also have to add
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1. How many significant figures are in the following a. 100000007 9 significant figures b. 0.000000010 2 significant figures c. 9.02000 3 significant figures d. 100000 1 significant figures 2. Multiply or divide the following and give the answer in significant figures a. 35.2 x .0071= 2.4992 =2.50 b 2000 divided by 3.33= 600.6006006 = 600 c 45.5 x 2.22 x 10= 1010.1 = 1000 3. Add or subtract the following place answer
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Application Activity: Tickets to the Show This week‚ from Sunday through Friday‚ the local theater sold adult and student tickets to their current play. The person in charge of selling the tickets kept a record of the number of adult and student tickets sold on each day. However‚ the person forgot which day the tickets were actually sold. The number of adult tickets sold (three‚ twenty-five‚ nineteen‚ sixteen‚ fourteen‚ and thirty tickets) and the number of student tickets sold (twelve‚ thirty-four
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Abacus Mental Arithmetic Program for Overall Brain Development • Founder of CMA “Dual-Hand‚ Four-Finger” Abacus technique • The curriculum we have tested and proved for more than two decades • Awarded the world’s Best Mental Arithmetic Trainer in 1991 • Director of the Association of Children’s Abacus Calculation in Taiwan • Authored more than 200 mental arithmetic books‚ VCDs‚ CDs and CD-ROMs • President of Yu-Ming Publishing Co Ltd‚ largest mental arithmetic book publisher
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