Stage 2 · The Four Operations & Estimation

2.6.2 Precision: To Which Place

2.6 Approximate Numbers & Scientific Notation

Point 2 of 6

2.6.2 Precision: To Which Place

Core idea

Saying your height is "about 1 meter 7" versus "1.72 meters" depends on how fine you need to be.

Module goal. Learn to round, express precision and significant figures, and use scientific notation to handle large numbers, paving the way for decimals.
eastmath.com · 2.6 Approximate Numbers & Scientific Notation · 2.6.2 Precision: To Which Place