Georgia K.NR.5.2
The Standard
Represent addition and subtraction within 10 from a given authentic situation using a variety of representations and strategies.
Georgia's K-12 Mathematics Standards · Explain the concepts of addition, subtraction, and equality and use these concepts to solve real-life problems within 10.
Teacher's field guide
What This Standard Means
What Students Need to Do
- Students act out stories about objects joining a group or leaving a group. They show each story with objects, drawings, fingers, ten frames, or equations and explain their model.
What Mastery Looks Like
- Students choose addition or subtraction to match a situation within 10. They model it in two ways, find the answer, and explain what each number and symbol represents.
Common Misconceptions
- Students may confuse joining with taking away or choose an operation from one word without following the story. They may reverse subtraction numbers, miscount objects, or think the equal sign means “the answer comes next.”
How to Assess It
- Use this exit ticket: “There are 6 apples. Two are eaten. How many remain?” Students use counters, draw the action, and write an equation.
Lesson moves
Ways to Teach It
Give pairs counters and story mats to act out joining and separating stories, then draw what happened and write an equation.
Show a ten frame and an equation, then ask, “How could both represent the same story?”
Students roll a number cube, draw a story card, and model the situation with counters before recording the matching equation.
Count classroom pencils, crayons, or snacks, then pose stories about adding more or giving some away.
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Printable K.NR.5.2 Worksheet
A ready-to-print activity worksheet aligned to K.NR.5.2, 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
- 1.NR.2.1
Use a variety of strategies to solve addition and subtraction problems within 20.
- K.NR.5.3
Use a variety of strategies to solve addition and subtraction problems within 10.
- 2.NR.2.1
Fluently add and subtract within 20 using a variety of mental, part-whole strategies.
- 1.NR.2.4
Fluently add and subtract within 10 using a variety of strategies.
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