By PRENTICE HALL
- Soft-bound, 3-hole-punched to slot in scholars' binders
- 4-color with a fascinating Unit Opener, Investigations, go browsing internet codes, ACE Homework, Mathematical Reflections, a Unit undertaking, in retrospect and looking out forward, and a word list of phrases in English and Spanish
- Available in English and Spanish
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Extra info for Connected Mathematics 2: Prime Time / Factors and Multiples
C. Find the common multiples of 9 and 21 that are less than 100. d. What is the next common multiple of 9 and 21? 30. For each part below, use your birth year or the birth year of one of your family members as your number. a. Find the prime factorization of your number. b. Describe your number to a friend, giving your friend as much information as you can about the number. Here are some ideas to include: Is the number square, prime, even, or odd? How many factors does it have? Is it a multiple of some other number?
Most years contain 365 days, but certain years, called leap years, contain 366 days. Leap years occur in years divisible by four, with some exceptions. Years divisible by 100 are not leap years—unless they are divisible by 400. So 1896 was a leap year, but 1900 wasn’t. Both 1996 and 2000 were leap years. A week has 7 days. a. How many weeks are in each type of year? b. January 1, 2004, fell on a Thursday. On what dates did the next three Thursdays of 2004 occur? c. The year 2004 was a leap year.
What is the number? 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294 b. List each of the factor pairs for the number. c. How is the list of factor pairs related to the rectangles that could be made to show the number? 36. a. Find at least five numbers that belong in each region of the Venn diagram below. b. What do the numbers in the intersection have in common? Multiples of 12 Multiples of 20 Consecutive numbers are whole numbers in a row, such as 31, 32, 33, or 52, 53, 54. Think of different series of consecutive numbers when you work on Exercises 37–40.