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Explains the water problem peculiar to a great part of California not served by year-round…

Introduces rational numbers in decimal form.

Introduces fractional numbers.

Introduces the mathematical concepts of distribution, identity element and inverse.

Introduces the mathematical concepts of closure, commutation and association.

Illustrates the teaching of reading skills by showing the process a school goes through in organizing…

Illustrates selected techniques used by the Mt Diablo Unified School District in programs for educationally handicapped…

Depicts teachers working with children in an environment which provides maximum opportunity for oral language exposure…

Presents a reproduction of a television game show on which Jose and Marcia battle for the…

Illustrates and explains closed curves and measurement.

Illustrates and explains points, lines and planes.

Explains such concepts as greatest common divisor, last common multiple and divisibility.

Explains the powers of a number and the use of the exponent in expanded notation.

Introduces negative rational number.

Describes a new program for mentally retarded and handicapped children in California. Depicts three severely handicapped…

Presents the educational programs that have been organized for the mentally as well as physically handicapped…

Explains the common denominator method of dividing fractional numbers.

Shows how to introduce prime numbers to fourth grade students.

Shows how to introduce the distributive property to third grade students.

Shows how to introduce the mathematical sentence in addition and subtraction to the second grade student.

Shows how to introduce the base five system to the fifth grade student.