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MD024
First Grade
Algebra
Arithmetic (Counting,Computation)
Geometry
Language Arts
Math
Trigonometry
Adding and Subtracting as Inverse Operations
The Number Crew: Number and Operation
DVD
$29.95
Available Media Versions:
DVD
$29.95
Available Bundles:
DVD
The Number Crew K-1 Library
Item #:
MD024
Grades:
1
Runtime:
10 min.
©2006
Description:
Beginning to recognize that addition is the inverse of subtraction (subtraction reverses addition).
Description: