Challenge the addition skills of young learners with this open-ended math problem. The task is simple, get from start to finish by connecting a series of three numbers. The trick is that the sum of the numbers must be less than or equal to 20. Work through this problem as a whole class, in pairs, or individually depending on the needs of your class. Consider creating multiple dot maps using different numbers and include this activity as a center during math rotations in primary grade classrooms.

Concepts

addition, addition of 3 numbers, equations, number sentence, numbers

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Additional Tags

addition, sum, three addends, equation, number sentence, math

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Pros

• Offers bonus questions that extend learning about addition with three addends
• Open-ended problem supports the development of critical thinking skills

Cons

• Teacher is required to create a worksheet using the dot map provided in the lesson

Common Core

1.OA.C.6 MP1