Sprint 3 · Chapter 1

Exact And Approximate Values

When to round a big number up or down, and how to estimate sums and differences.

1. 1When is Close Enough Okay?
2. 2Exact and Approximate Values Visual
3. 3Rounding Up vs Rounding Down
4. 4Nearest Neighbours
5. 5Estimating Sums and Differences
6. 6Estimating a Sum
7. 7Estimating a Difference
8. 8City Population Increases