Monday, October 17, 2011

Math for Monday, October 17, 2011

Tools for practicing long division:

Lessons

Today we did two sets of math questions in class.

  • Today’s Lesson: Chapter 2, Lesson 11 - Dividing by a 2-digit Number (Pages 68-71)
  • Mnemonic – Dracula Must Suck Blood, Daddy, Mommy, Sister, Brother
    • Divide, Multiply, Subtract, Check, Bring Down
  • Learning Goals:
    • Different strategies can be used to divide by a 2-digit number.
    • Multiplication and division are inverse operations.
    • Multiplication can be used to check division.
  • Additional Resources:
  • Classwork: Practice Questions 3, 5, 7, 8, 10
  • Homework Book: Pages 30-31

 

  • Today’s Lesson: Chapter 2, Lesson 12 - Another Method for Dividing (Pages 73-76)
  • Learning Goals:
    • The standard division algorithm is based on place-value concepts.
    • A quotient can be estimated by thinking multiplication.
    • In a division problem involving metric measures, the remainder is reported as a decimal fraction of a unit
  • Classwork: Practice Questions 3, 5 , 7, 9, 11, 13
  • Homework Book: Pages 32-33

All math homework is due on Wednesday!