| A Unique Learning Experience
The novel approach of this publication borrows from the ancient lattice method of addition and multiplication. The book contains blackline masters for 25 pages of activities plus four pages of overhead projection masters and six pages of solutions. All pages are perforated, and teachers are permitted to duplicate them for classroom use.
- Provides a refreshing way for students to practice the basic skills of addition and multiplication with whole numbers and decimals
- Emphasizes the place value concept of the decimal numeration system
- Shows students that "carrying" is a natural process and not an extraneous step
- Challenges the problem solving ability of students as they find missing addends and factors
- Helps students keep their work organized
A Variety of Activities
Other activities include an introduction to the concept of a lattice sum, addition of decimals by lattices, writing a lattice sum in words, multiplication of whole numbers and decimals, and several activities on finding missing addends and missing factors.
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