NY Next Generation Math NY-K.OA.1
The Standard
Represent addition and subtraction using objects, fingers, pennies, drawings, sounds, acting out situations, verbal explanations, expressions, equations, or other strategies.
New York State Next Generation Mathematics Learning Standards
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students show addition as putting together or adding to and subtraction as taking apart or taking from. They represent these actions with objects, drawings, gestures, words, expressions, or equations.
What Mastery Looks Like
- Given a simple story, a student chooses addition or subtraction and models the action accurately. The student can show the same story with counters, a drawing, and a matching equation.
Common Misconceptions
- Students may choose an operation from one word without following what happens in the story. They may reverse the numbers in a take-away equation or draw a result that does not match.
How to Assess It
- Tell this story: Five birds sit on a fence, and two fly away. Ask the student to act it out, draw it, and write a matching equation.
Lesson moves
Ways to Teach It
Use counters on two paper mats labeled together and apart to act out addition and subtraction stories.
Ask, "How can one story be shown with fingers, a drawing, and an equation?"
Play a story-card game where students draw a card, choose an operation, and build the matching model before answering.
Set up a pretend snack table where students add plates for arrivals and remove plates when classmates leave.
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Printable NY-K.OA.1 Worksheet
A ready-to-print activity worksheet aligned to NY-K.OA.1, with an answer key for the teacher on its own page. No account needed.
PDF, US Letter, prints cleanly in black and white.
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Related Standards
- NY-2.NBT.7.a
Add and subtract within 1000, using concrete models or drawings, and strategies based on place value, properties of operations, and/or the relationship between ...
- NY-1.OA.6.a
Add and subtract within 20. Use strategies such as: counting on, making ten, decomposing a number leading to a ten, using the relationship between addition and ...
- NY-5.NBT.7
Using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between operations: • add and subtract ...
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