How does viewing subtraction as finding an unknown addend help us solve everyday problems?
Critical Thinking: Students will approach subtraction problems with a new perspective, using their understanding to find innovative solutions.
Adaptive Perseverance: Students will tackle various subtraction problems, applying the concept of unknown addends, and persevere through challenges.
Global Citizenship: Students will recognize the universal applicability of mathematical concepts in solving everyday problems, fostering a connection between their learning and its impact on their surroundings.
What does it mean to view a subtraction problem as finding an unknown addend?
How can this approach change the way we think about and solve subtraction problems?
Can you think of a scenario outside of math class where you might use this concept?
Students will explain the concept of subtraction as an unknown-addend problem.
Students will demonstrate the ability to solve subtraction problems by finding the unknown addend.
Students will apply this concept to solve practical problems, showing their understanding of its real-world relevance.
1.OA.B.4: Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
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