PRIME TIME UNIT PLAN

The Essential Academic Learning Requirements met

In this unit, the student will:

1.1 - Understand and apply concepts and procedures from number sense.
1.2 - Understand and apply concepts and procedures from measurement.
2.1 - Investigate situations.
2.2 - Formulate questions and define the problem.
2.3 - Construct solutions.
3.1 - Analyze information.
3.2 - Predict results and make inferences.
3.3 - Draw conclusions and verify results.
4.1 - Gather information.
4.2 - Organize and interpret information.
4.3 - Represent and share information.
5.1 - Relate concepts and procedures within mathematics.
5.2 - Relate mathematical concepts and procedures to other disciplines.
5.3 - Relate mathematical concepts and procedures to real-life situations.


Investigation 1: The Factor Game

Mathematical and Problem-Solving Goals
  • To classify numbers as prime or composite
  • To recognize that some numbers are rich in factors, while others have few factors
  • To recognize that factors come in pairs and that once one factor is found, another can also be found
  • To discover the connection between dividing and finding factors of a number



  • Day 1
  • Discuss the concepts of Factors, Divisors, Proper Factors
  • Introduce the Factor Game
  • Play an example game with the class
  • Have students play against one another
  • Assign Factor Game Worksheet, with two games filled out


  • Day 2
  • Play Factor Game, one side of class versus the other
  • Discuss Factor Game strategies
  • Assign Winning the Factor Game Worksheet


  • Day 2+ (Honors)
  • Discuss the First Moves Chart
  • Discuss how an expert would play the Factor Game
  • Pass out Factor Chart
  • Assign Expert’s Factor Game and Factor Chart 1-200


  • Day 3
  • Discuss the First Moves Chart
  • Pass out Factor Chart
  • Assign ACE 14, 16, 17, 19 (p.13-14) and Factor Chart 1-100


  • Day 4
  • Pass back and discuss Unit Project from Data About Us
  • Investigation 1 Mini Quiz



  • Investigation 2: The Product Game

    Mathematical and Problem-Solving Goals

  • To review multiplication facts
  • To develop understanding of factors and multiples and of the relationships between them
  • To understand that some products are the result of more than one factor pair
  • To develop strategies for winning the Product Game
  • To create a new Product Game to play with a friend



  • Day 5
  • Discuss the concept of Product
  • Introduce the Product Game
  • Play an example game with the class
  • Have students play game against one another
  • Discuss Product Game strategies
  • Discuss: multiples


  • Day 5+ (Honors)
  • Introduce multiplying positive and negative integers
  • Assign Multiplying Positives and Negatives Worksheet
  • Have students play the Product Game II


  • Day 6
  • Assign Making Your Own Product Game Worksheet and ACE 1, 2, 5-10, 13 (p.22)


  • Day 7
  • Have students play their own Product Games with one another
  • Assign ACE 14, 17-20 (p.23)


  • Day 8
  • Introduce Venn Diagrams, Common Multiples
  • Assign ACE 12, 15-17 (p.23-24) and Mathematical Reflections Worksheet



  • Investigation 3: Factor Pairs

    Mathematical and Problem-Solving Goals

  • To recognize that factors come in pairs
  • To visualize and represent a factor pair as the dimensions of a rectangle with the given number is its area
  • To determine whether a number is prime or composite, even or odd, and square or nonsquare based on its factor pairs
  • To develop an informal sense of how many factors must be checked to be sure all the factors of a number have been found



  • Day 9
  • Discuss the definition of a rectangle and a square
  • Build rectangles with tiles
  • Discuss the concept of Square Numbers
  • Assign ACE 1-8 (p.30)


  • Day 10
  • Discuss the concepts of Even Numbers, Odd Numbers, and Conjectures
  • Discuss modeling even and odd numbers with tiles
  • Assign Reasoning with Odd & Even Numbers Worksheet and Vocabulary
  • Discuss how to prove conjectures


  • Day 11
  • Assign ACE 10-14, 16-19


  • Day 12
  • Go over Vocabulary
  • Quiz tomorrow
  • Assign Quiz Correction


  • Day 13
  • Quiz
  • Assign Cross-Number Puzzle



  • Investigation 4: Common Factors and Multiples

    Mathematical and Problem-Solving Goals

  • To recognize situations in which finding factors and multiples of whole numbers will be helpful in answering questions
  • To observe and reason using patterns of factors and multiples
  • To use properties of factors and multiples to explain some numerical facts about everyday life



  • Day 14
  • Discuss greatest common multiples and Least Common Multiples
  • Discuss the ferris wheel story
  • Assign Riding Ferris Wheels worksheet


  • Day 15
  • Discuss student observations of the LCM
  • Assign Problem 4.2, 4.2 Follow-Up, and ACE 5-7, 14-16 (p.40)
  • Pass back and discuss quizzes


  • Day 16
  • Discuss the concept of Greatest Common Factor
  • Discuss the party story
  • Assign ACE Worksheet, with Challenge being extra credit


  • Day 16 (Honors)
  • Discuss the concept of Greatest Common Factor
  • Pass out and discuss Third Period Conjectures Worksheet
  • Discuss the party story
  • Assign ACE Worksheet, including Challenge


  • Day 17
  • Assign Reflections Worksheet
  • Retake quizzes available for those who want



  • Investigation 5: Factorizations

    Mathematical and Problem-Solving Goals

  • To recognize that a number may have several different factorizations but, except for order, each number greater than 1 has exactly one factorization into a product of primes (the Fundamental Theorem of Arithmetic)
  • To use several different strategies for finding the prime factorization of a number
  • To recognize primes as the building blocks of whole numbers



  • Day 18
  • Discuss the concepts of Factorizations and Prime Factorizations
  • Introduce Factor Trees
  • ACE 1-6, 8-10 (p.52)


  • Day 19
  • Mini-Pop Quiz – partners
  • Assign Product Puzzle


  • Day 20
  • Discuss the concept of Exponents
  • Discuss the use of exponents with prime factorizations
  • Assign Exponents and Prime Factorizations Worksheet and ACE 7, 11, 12 (p.52)


  • Day 21
  • Discuss using prime factorizations to find the GCF and factor pairs
  • Assign Using Prime Factorizations Worksheet and ACE 21, 22


  • Day 22
  • Discuss using prime factorizations to find the LCM
  • Assign Using Prime Factorizations II Worksheet


  • Day 23
  • Pass out and discuss Divisibility Rules
  • Assign Reflections Worksheet



  • Investigation 6: The Locker Problem

    Mathematical and Problem-Solving Goals

  • To use ideas about the multiplicative structure of numbers – such as primes, composites, factors, multiples, and square numbers – to solve problems
  • To simulate a problem, gather data, make conjectures, and look for justification for those conjectures
  • To reason mathematically and to communicate ideas clearly



  • Day 24
  • Introduce the Locker Problem
  • Have students act out the first several lockers
  • Pass out Locker Problem packets
  • Assign the Locker Problem


  • Day 25
  • Discuss the Locker Problem
  • Assign ACE 4-7, 9-10 (p.61)


  • Day 26
  • Collect Locker Problems
  • Unit Test tomorrow
  • Assign Practice Unit Test


  • Day 27
  • Assign Cleaning Crew Worksheet
  • Have students take the Unit Test


  • Day 28
  • Discuss the Cleaning Crew Worksheet
  • Assign Vocabulary
  • Introduce the Vocabulary Game
  • Play the Vocabulary Game



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