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Kindergarten Math
12. K.OA.A.5
12.3 Taking away one up to 5
Taking Away One Up to 5
Discover how to take away one from a group of up to 5 objects using pictures, counting, and easy step-by-step practice.
What You'll Learn
Recognize that taking away one means starting with a group and removing exactly one object from it
Count how many objects remain after one is removed from a group of up to 5
Use pictures, fingers, or counters to model taking away one before writing the answer
Understand that taking away one always gives an answer that is one less, such as \( 5 - 1 = 4 \)
Compare taking away one with adding one to see how a group can grow or shrink
Practice matching a "take away one" story to the correct picture or number sentence
What You'll Practice
1
Counting animals and objects in small groups
2
Choosing groups with one fewer item from visual options
3
Finding the number that is one less than a given amount
Why This Matters
Learning 'one fewer' builds your foundation for subtraction and number sense. This skill helps you compare quantities in everyday situations, like sharing snacks or organizing toys, and prepares you for solving math problems.
This Unit Includes
1 Video lesson
Practice exercises
Learning resources
Skills
Counting
Subtraction
Number Sense
Comparing Quantities
One-to-One Correspondence

OH Curriculum Aligned