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1st Grade Math
21. 1.G.A.3
21.2 Sharing & partition up to 10
Sharing and Partition up to 10
Discover how to share a set of up to 10 objects equally among groups, the first step toward understanding division.
What You'll Learn
Identify equal sharing as splitting a total of up to 10 objects into same-sized groups.
Distribute objects one at a time across each group to keep the amounts fair.
Write a sharing story as a division sentence, such as \( 10 \div 2 = 5 \).
Compare sharing (fixed number of groups) with grouping (fixed group size).
Recognize when a set of up to 10 cannot be shared evenly and some items are left over.
What You'll Practice
1
Dividing groups of objects evenly among people or containers
2
Determining true or false statements about equal sharing
3
Sharing fruits and other items into equal portions
Why This Matters
Learning to share and partition builds your foundation for division and fractions. This skill helps you split things fairly in everyday life, from sharing snacks with friends to dividing up tasks, and prepares you for more advanced math concepts.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Division
Equal Groups
Partitioning
Number Sense
Fair Sharing
OH Curriculum Aligned