Using a rule with only “C” and “D” scales, multiplication and division operations are revised. Problems in proportion are solved, using both left and right index. Problems in percentage solved using the proportion method. Use of the rule with “A”, “B”, “C” and “D” scales. Procedures for determining squares and square roots are demonstrated.
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Collection
In ACMI's collection
Credits
Collection metadata
ACMI Identifier
009907
Language
English
Subject categories
Education, Instruction, Teaching & Schools → Mathematics - Study and teaching
Educational & Instructional → Educational films
Educational & Instructional → Instructional
Mathematics, Science & Technology → Arithmetic
Mathematics, Science & Technology → Mathematics
Mathematics, Science & Technology → Mathematics - Study and teaching
Sound/audio
Sound
Colour
Black and White
Holdings
16mm film; Access Print (Section 1)