Stage 1 · Numbers & Counting

1.6.5 The approximately-equal sign and approximate numbers

1.6 Number Sense and Approximation: Putting Numbers to Work

Point 5 of 6

1.6.5 The approximately-equal sign and approximate numbers

Core idea

297 ≈ 300 — the wavy equals sign '≈' means 'just about equal,' which makes mental math easier

Module goal. Build an intuition for how big numbers are, learn to round to an approximate value, and pave the way for estimating in operations
eastmath.com · 1.6 Number Sense and Approximation: Putting Numbers to Work · 1.6.5 The approximately-equal sign and approximate numbers