The MATH DITTOS 2 series is a unique, fact supported approach to teaching computation. Each page in the series presents a limited number of problems with plenty of workspace. The facts necessary to complete each problem are always presented on the page in a fact reference and practice section. The series was developed for my special education students, but has proved to be useful for regular education students as well. The approach worked quite well for students who struggled to learn basic facts, although the method also takes a good deal longer than traditional methods of teaching computation.

The MD2 series never got quite done, with workbooks for addition, subtraction and multiplication published and revised several times, but a final division workbook incomplete. My teaching assignment changed to younger students towards the end of my career, and the need for a division book became less critical. Then I just got old and retired!

MATH DITTOS 2: Fact Controlled ADDITION & SUBTRACTION for Special Learners teaches addition and subtraction simultaneously using a unique "cluster" approach.

MATH DITTOS 2: Fact Controlled MULTIPLICATION for Special Learners presents multiplication in a careful, step-by-step, fact supported approach.

MATH DITTOS 2: Fact Controlled SUBTRACTION for Special Learners can be effectively used for initial instruction in subtraction with fact support and word problems. It is quite effective for the reteach that older students beginning long division frequently need.

MATH DITTOS 2: Fact Controlled DIVISION for Special Learners, my own little venture in vaporware, has been under development...forever. Or, maybe more properly, it has been underdeveloped. At this time, there is a partial pre-release version available that deals only with two-digit divisors.

The concept behind the MD2 series is the same one we've used for years in reading, using a controlled "vocabulary." The vocabulary in this context is the basic addition, subtraction, and/or multiplication facts. Each page is limited to only the facts (much like new vocabulary) presented in the factbar or factstrip.

As of January 1, 2010, the entire MATH DITTOS 2 series became freeware. I still hold copyrights on the materials, but have granted users the right to reproduce and use the workbook pages without payment.

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