• Comfortable introduction to algebraic inequality notation
• Solution set for inequalities from replacement set
• For students in grades 4-8
• Colored cardstock manipulatives with included answer keys and organization tags.
• Fifteen separate exercises each with six problems each.

Algebraic representations of open and closed intervals are solved by selecting cards from a given replacement set.  Comfortable introduction to algebraic notation, algebraic inequality notation, finite and infinite sets, number line notation, logic and critical thinking skills.

Colored cardstock manipulatives with included answer keys and organization tags. (Lamination recommended for heavy use; cutting required.)  Recommended storage (not included): fifteen hardware drawers, boxes, or envelopes.

Scope and Sequence Chart (Click here)

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.