Math POD Student Workbook

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$CAHSEE Math Problem of the Day -- Week 3$




$CAHSEE Math Problem of the Day - Week 2$

SAUSD CAHSEE Math Problem of the Day -- Week 9Steps to multiply and divide integers.Day 31. Multiply or divide both numbers2. If both numbers are positive or both numbersare negative the answer is positive3. If one number is positive and the other numberis negative then the answer is negative.Evaluate the following expressions:1. (–3) • (–6)Example: Evaluate (–5) • 42. (–4) • (–5) • (–2)1. Multiply both number 5 • 4 = 202. One number is positive (4) and one number isnegative (–5) so the answer is negative3. the answer is –20Day 4(Based on the CAHSEE Math Released Item 5)Which of the following numerical expression is a positive number?A. 5 + (–9)B. 0 – 12C. (–4) • (–3)D. 25 ÷ (–5)Day 5(Based on the CAHSEE Math Released Item 5)Which of the following numerical expression is a negative number?A. (–2) + 15B. (–10) – (–8)C. (–2) • (–2) • (–2) • (–2)D. (–100) ÷ (–25)Susan Mercer, Laura Westermeier, Ed.D. Fall, 2007Educational Services, SAUSD Week 9 – Student - Page 2 of 2
SAUSD CAHSEE Math Problem of the Day -- Week 10Lowest Common DenominatorThis week you will be working with fractions.When adding fractions you must make sure all ofthe denominators (number on the bottom of thefraction) are the same. To do this you must firstfind the Lowest Common Denominator orLCD. The LCD is the lowest number that both ofthe denominators can be divided into without aremainder.Steps to find the Lowest CommonDenominator:1. Factor each of the denominators intoprimes. (Prime factors are those numbersthat can only be divided by 1 orthemselves)2. Count the number of times each primenumber appears in each of thefactorizations3. For each prime number, take the largestof these counts.4. Write down that prime number as manytimes as you counted for it in step #35. The lowest common denominator is theproduct of all the prime numbers writtendown.In today’s problem you will be doing steps onethrough four:Example:What is the prime factored form of the lowestcommon denominator ofThe prime factors of 8 are _____ _____ _____The prime factors of 12 are _____ ____ _____The factored form of the Lowest CommonDenominator are _____ ______ ______ _____Day 1(CAHSEE Math Released Item #23 )23. Which of the following is the primefactored form of the lowest commondenominator ofA 5 x 1B 2 x 3 x 5C 2 x 5 x 3 x 5D 10 x 15Additional Practice:Which of the following is the prime factoredform of the lowest common denominator ofA 3 x 7B 3 x 3 x 7C 7 x 9D 21 x 9Laura Westermeier, Ed.D. Fall, 2007Educational Services, SAUSD Week 10 – Student - Page 1 of 5
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Math POD Student Workbook

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