- Full-page free-response taskcards on one and two-place decimals
- Conversions, comparisons, and basic operations
- Tyoically for children in grades 4-6
- Two-way and three-way cardstock matching cards with included answers
- Ten separate exercises with 8 or 10 questions each
Note: Rename is an advanced version of Exchange and is particularly valuable for multiple reqroupings and multiple zeroes in the minuend.
Challenging exchanging exercises involving multiple re-groupings: two-digit subtraction regrouping, three-digit with regrouping once, three-digit with regrouping twice, four-digit with multiple regroupings, one to three zeroes in minuend.
Two-way and three-way cardstock matching cards with included answers. (Lamination recommended for heavy use; cutting required.) Recommended storage (not included): ten hardware drawers, boxes, or envelopes.
The teacher's experience and the sequence of skills in the students' basic math program are the best guides in determining which skills should be introduced first. In general, the scope and sequence chart above can be used as a guide.
A number of sets for younger children are "color coded." Some teachers present all the levels with an exercise set, while others prefer to present all the blue (two-digit) exercises, progress to the pink (three-digit), and culminate with the green (four-digit).
Other skills such as Roman Numerals require no prerequisites other rhan an understanding of place value. Such exercises can be presented any time.
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