ARITHMETIC: ROUNDING AND CHECKING

Describes the procedure for rounding off numbers and explains how to apply rounded numbers in estimating answers for help in placing the decimal point. Illustrates the importance of checking as a final step.
Complete catalog record
Source: Coronet
Interest level: el-jh
Guide: Guide
Price: b&w $60, color $120
Format: sd b&w or color
Catalog numbers: LC card Fi A 62-269

Sources

  1. Educational film guide. Supplements (1959-62) — title, year, length, format, color, sound, description, catalog record