Keeping the Meaning in Mathematics: The Craft of Word Problems

CONTENTS OF CURRICULUM UNIT 07.06.05

  1. Unit Guide
  1. Introduction
  2. Rationale
  3. Objectives
  4. Addition and Subtraction Categories
  5. Multiplication and Division Categories
  6. Multi-step
  7. Strategies for Teaching Students to Use the Singapore Bar Models
  8. Activity 1
  9. Activity 2
  10. Activity 3
  11. Appendix A: Collection of Problems
  12. Appendix B: Resources for Classroom Use
  13. Appendix C: Annotated Bibliography
  14. Appendix D: Implementing District Standards:

Dr. Word Problem - Solving Word Problems with the Four Operations Using Singapore Bar Models

Valerie J. Schwarz

Published September 2007

Tools for this Unit:

Appendix D: Implementing District Standards:

Virginia Standards of Learning Grade 4: The essential knowledge and skills for each of these objectives lists problem solving.

4.6 The student will add and subtract whole numbers written in vertical and horizontal form, choosing appropriately between paper and pencil methods and calculators.

4.7 The student will find the product of two whole numbers when one factor has two digits or fewer and the other factor has three digits or fewer.

4.8 The student will estimate and find the quotient of two whole numbers, given a one- digit divisor.

Comments:

Kathryn Patrice Freeman

November 9, 2010 at 11:52 pm

Dr. Word Problem - Solving Word Problems with the Four Operations Using Singapore Bar Models by Valerie Schwarz

This unit gave me exactly the information I needed to confidently discuss word problems with our home-schooled daughter. We've done extensive work with bar modeling while using Singapore's curriculum over the last 5 years, but I still never felt completely versed in the method. We take an 'everyone around the table' approach to math, more so than any other subject, so that my daughter can benefit from seeing the very different ways I work problems as compared to her father, and although we can all three wiggle out the answers to word problems, none of us are really confident enough in our method to adequately explain it. This was incredibly helpful to me, and to my daughter. Thank you! Kathryn Freeman

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