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Activities

Heights of Objects

Show and use the appropriate units of length and distance and their abbreviations cm and m to measure a particular object

Subtracting Numbers

Define subtraction as taking away from a given set, comparing two sets, or finding the missing addend

Subtracting Numbers II

Define subtraction as taking away from a given set, comparing two sets, or finding the missing addend

Finding the Difference

Visualize, represent, and subtract two- to three-digit numbers with minuends up to 999 without regrouping

Subracting Nunbers

Visualize, represent, and subtract two- to three-digit numbers with minuends up to 999 with regrouping

Finding the Difference

Visualize, represent, and subtract two- to three-digit numbers with minuends up to 999 with regrouping

Subtraction of Numbers

Define subtraction as taking away from a given set, comparing two sets, or finding the missing addend