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Kindergarten Math
8. K.OA.A.1
8.1 Combining together with objects up to 5
Combining Objects Up to 5
Discover how to combine two small groups of objects, up to 5 in total, by pushing them together and counting all.
What You'll Learn
Push two small groups of objects together into one group before counting.
Count every object in the combined group one time, starting from one.
Recognize that combining is the hands-on action behind the idea \( 2 + 3 = 5 \).
Compare the size of the combined group to each starting group to check the total makes sense.
Use real objects, fingers, or drawings when the total stays at 5 or less.
What You'll Practice
1
Adding dots and visual objects by counting
2
Solving addition equations with fruit and everyday items
3
Finding missing numbers in addition problems up to 5
Why This Matters
Combining objects is your first step into addition and all of math. Learning to put groups together and find totals builds the number sense you'll use for everything from counting money to solving complex equations later.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Addition
Counting
Number Sense
Visual Math
Basic Operations

OH Curriculum Aligned