Whiteboard
ClassFlow

Class Flow: Add and Subtract Large Numbers

For Teachers 3rd - 5th Standards
[Free Registration/Login Required] Use this flipchart as a review of adding, subtracting and rounding larger numbers. Practice after the concept has been taught.
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Illustrative Mathematics

Illustrative Mathematics: 4.nbt Ordering 4 Digit Numbers

For Teachers 3rd - 5th Standards
It is common for students to compare multi-digit numbers just by comparing the first digit, then the second digit, and so on. This task includes three-digit numbers with large hundreds digits and four-digit numbers with small thousands...