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 MD2 series currently consists of three "workbooks" published as computer documents in Adobe Acrobat PDF format.

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. (New version released 6-28-2012.)

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 for registered users of other MD2 products only.

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 multiplication facts. Each page is limited to only the facts (much like new vocabulary) presented in the factbar or factstrip.

The MATH DITTOS 2 series of workbooks became freeware as of January 1, 2010.

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