'Highest common factor' diaporamas de présentation

Algebraic Operations

Algebraic Operations. Removing Brackets. Pairs of Brackets. Factors. Common Factors. Difference of Squares. Factorising Trinomials (Quadratics). Factor Priority. Int 2. Q1. Calculate (a) -3 x 5 = (b) -6 x -7 = . Starter Questions. Q2. Calculate (a) w x w = (b) -2a x 4a =.

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Original author of the slides: Vadim Bulitko University of Alberta http://www.cs.ualberta.ca/~bulitko/W04 Modified by T.

Original author of the slides: Vadim Bulitko University of Alberta http://www.cs.ualberta.ca/~bulitko/W04 Modified by T. Andrew Yang ( yang@uhcl.edu ). Ch. 3.5, 3.6, 3.7, 3.8. Floor & ceiling Proof by contradiction and contraposition Infinitude of primes Irrationality of sqrt(p).

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Unit 6 Indices and Factors

Unit 6 Indices and Factors. Unit 6 Indices and Factors. Square and Square Roots. What is. We say that 4 is the square root of 16. What is. So is also a square root of 16 We write. What is the square root of 25?. as. You have finished viewing the presentation

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Factors

Factors and Multiples. Factors. Prime Factors. Common Factors and Highest Common Factor (HCF). Multiples. Common Multiples and Lowest Common Multiple (LCM). 1. Factors. Factors of a given whole number are the numbers that can divide the given whole number exactly.

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Expanding and Factorising

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A selection of short (and not so short) problems

Seasonal Problems. A selection of short (and not so short) problems . Calendars. This year, December 1 st is on a Saturday, in which year does this happen next? How many times this century will December 1 st fall on a Saturday?. Calendars.

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CHAPTER 5

CHAPTER 5. Working With Number. Multiples. The MULTIPLES of a number are what you get when you multiply a number by positive whole number eg 1 x 1 = 1 2 x 1 = 2 3 x 1 = 3 1 x 2 = 2 2 x 2 = 4 3 x 2 = 6 1 x 3 = 3 2 x 3 = 6 3 x 3 = 9 1 x 4 = 4 2 x 4 = 8 3 x 4 = 12

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Factors

Factors. Factors. Example : Find the factors of 56. Numbers that divide into 56 without leaving a remainder. F56 = 1 and 56. 2 and 28. 4 and 14. 7 and 8. Factors. Factors. Example : Find the factors of 64. Numbers that divide into 64 without leaving a remainder.

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Review Chapter

Review Chapter. Weerawattk.wordpress.com. Read each of the following in words. 38. thirty-eight. -72. negative seventy-two. 691. Six hundred and ninety-one. Read each of the following in words. -745. negative hundred seven and forty-five. 2813. two thousand eight hundred

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Maths

Maths . Questionnaire . A list of questions, usually printed, submitted for replies that can be analysed for usable information; Technique used to gather information in the data handling cycle. . Survey. To gather information for presenting data .

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H.C.F

H.C.F. Review The factors of 30 and 40?. 30 1 x 30 2 x 15 3 x 10 5 x 6 ? 1,2,3,5,6,10,15, and 30 40 1 x 40 2 x 20 4 x 10 5 x 8 ? 1,2,4,5,8,10,20, and 40. Highest Common Factor? 10. Prime factorisation. 30 = 2 x 3 x 5. 4 0 = 2 x 2 x 2 x 5.

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Factors

Factors. What is a Factor?. If a number divides evenly (with no remainder) into another number , then it is said that is a factor of. What is a Factor?. If a number divides evenly (with no remainder) into another number , then it is said that is a factor of .

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Targeting Grade C

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Prime Factors

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Numbers

Numbers. Factors of a number. Numbers. When we are finding the factors of a number we are looking for those numbers which when multiplied together make that number, e.g. the factors of 12 are: 1 x 12, 2 x 6, 3 x 4. = 1, 2, 3, 4, 6, 12. Numbers.

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HIGHEST COMMON FACTOR

HIGHEST COMMON FACTOR. ( HCF ). The Highest Common Factor of two or more numbers is the greatest of all their common factors. Methods for finding HCF. 1) Listing method. 2) Prime Factorisation Method. 3) Division Method. HCF by Listing Method. 12 and. 18. HCF of.

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Multiples

Multiples. Multiples. What are the first five multiples of: 3 4 11 21. M ultiples are U sually L arger T han I ndividual numbers, P ossibly L arger never E ver S maller. 3, 6, 9, 12, 15 4, 8, 12, 16, 20 11, 22, 33, 44, 55 21, 42, 63, 82, 105.

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Find the prime factorization of the following numbers ..... 1. 384 = 128 x 3 = 2 7 x 3

L owest C ommon M ultiple (LCM ) H ighest C ommon F actor (HCF). 24. 18. Find the prime factorization of the following numbers ..... 1. 384 = 128 x 3 = 2 7 x 3 2. 12500 = 5 x 25 x 100 = 5 3 x (5x2) 2 = 5 5 x 2 2

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