Division with manipulatives using the Mortensen Method
Consider the example 72/5=
All we do in math is count.
See all numbers as rectangles.
The answer is always a number,
therefore every operation is building a rectangle.
Get out the blocks totaling 72. Say, 7 ten bars and 2 units.
Re-shape it as a rectangle with an over dimension of 5.
We can build the rectangle over 5 and down 14 as shown, but with 2 remainder.
Do the notation.
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Teacher's Handbook for Teaching Math with Manipulatives
$65 USD - by Paypal only, receive delivery same day by email! (m-f, bus. hrs.)
Table of Contents
The Premise P.1
The Five-Minute Overview of the Method P.8
Key Phrases in Mortensen Math
Very Brief Summary of the Method
Psychological Principles at Work
Introduction - cont'd
Create a Math-Rich Environment
The Teacher's Role & Student Self-Esteem
Six Key Ideas from Jerry Mortensen
Appendices:
Section One - Counting P.46
Section Two - Addition
Section Three - Subtraction
Section Four - Multiplication
Section Five - Division
Section Six - Fractions
Section Seven - Algebra
Section Eight - Solving Equations
Section Nine - Functions & Relations
Section Ten - Story Problems
Section Eleven - Mortensen Math Program & Materials P.240
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