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Pre-Algebra Chapter 4

Pre-Algebra Chapter 4. Factors, Fractions and Exponents. 4.1 Divisibility and Factors. Make a concept map with terms from chapter 4. Factors Greatest Common Factor Divisible Prime Number Composite Number Prime Factorization. 4.1 Divisibility and Factors. Divisibility rule for 7.

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Pre-Algebra Chapter 4

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  1. Pre-Algebra Chapter 4 Factors, Fractions and Exponents

  2. 4.1 Divisibility and Factors Make a concept map with terms from chapter 4 Factors Greatest Common Factor Divisible Prime Number Composite Number Prime Factorization

  3. 4.1 Divisibility and Factors

  4. Divisibility rule for 7 Take the last digit in a number. Double and subtract the last digit in your number from the rest of the digits. Repeat the process for larger numbers. Example: 224 1008 11,760

  5. Divisibility rule for 11 1. Add the odd-numbered digits together (the first, third, fifth, etc). 2. Add the even-numbered digits together (the second, fourth, sixth, etc). 3. Subtract the smaller number from the bigger number. If the number you get is divisible by 11, then so is the original number. (0 is divisible by 11). Example: 121 605 47,190

  6. 4.2 Exponents Exponent is a number that shows how many times a base is used as a factor. Base is the repeated factor of a number written in exponential form. Power is any expression in the form an. Power also refers to the exponent.

  7. 4.2 Exponent examples Write each expression with exponents Simplify or Evaluate the expressions

  8. 4.3 Prime Factorization & GCF Use factor trees to find the prime factorization of the given numbers. a. 210 b. 588 c. 1260 Find the GCF of the following 210x3y, 588x2y, 1260x4y4.

  9. 4.4 Simplifying Fractions

  10. 4.5 Problem Solving

  11. 4.6 Rational Numbers A Rational Number is any number that can be written in the form and b ≠ 0 (Can be a fraction)

  12. 4.7 Exponents and Multiplication a. ( b.

  13. 4.7 Exponents and Multiplication

  14. 4.8 Exponents and Division a. P=88.2 cm b. P = 52in

  15. 4.8 Exponents and Division Solve the following: a. P=88.2 cm b. P = 52in

  16. 4.8 Exponents and Division Solve the following: a. P=88.2 cm b. P = 52in

  17. 4.9 Scientific Notation Formula: a x 10nwhere 1≤a˂10 and n is a positive or negative integer.

  18. 4.9 Scientific Notation Standard Notation of a number is found by simplifying the product of the two factor from the number in scientific notation

  19. Underconstruction

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