Unit 1: Number Puzzles & Multiple Towers (Week 3, 6 Weeks)

Unit 1: Number Puzzles and Multiples Towers (Multiplication and Division)


A.  Students use arrays and number puzzles to learn about factors, multiples, and other properties of numbers.

Vocabulary / Flashcards / Quizzes:  http://quizlet.com/55756/number-puzzles-and-arrays-flash-cards/

B.  Students develop a number of strategies for solving 2-digit by 2-digit multiplication problems, including breaking numbers apart, solving an equivalent problem, and solving related problems.

  • Multiply fluently by multiples of 10


C.  Students develop various strategies for solving division problems with 2-digit divisors and for interpreting the results.


D.  Students will gain flexibility in choosing strategies when solving multiplication and division problems.


E.  Students will demonstrate persistence while investigating multiple strategies.