Tag: Problem Solving
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Receipt Detectives: Find the Two Mistakes
Can pupils repair a receipt and prove the change is right? Two complete Class 4 lessons develop equal groups, checking and whole-rupee calculations.
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Which Wrap Slows Melting? A Class 8 Ice Investigation
A paper wrap, a cotton wrap and an unwrapped cup become a fair-test challenge. Help Class 8 learners measure melting and make a claim their evidence supports.
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Same Perimeter, Different Gardens: A Class 4 Design Challenge
One fence allowance, several gardens. Help Class 4 children distinguish a boundary from the space it encloses with an original grid challenge and worked answers.
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One Ballot, Two Counting Rules: A Class 9 Decision Lab
Hold twelve fictional rankings fixed and change the counting rule. Class 9 checks two outcomes, discusses trade-offs and explains when a winner can stay the same.
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Fix the Broken Pattern: A Class 1 Make-and-Explain Challenge
Find the repeating unit, repair one misplaced shape and explain the change. Six original Class 1 patterns with a complete teacher key and access options.
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Where Did the Mass Go? A Class 9 Closed-System Card Investigation
A balance reading falls after a gas escapes. Has matter disappeared? Use particle cards and system boundaries to build a clearer explanation.
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Which Queue Was Quicker? A Class 10 Grouped-Data Investigation
Two queues have the same average estimate. Does that mean they offer the same experience? Investigate with complete grouped data and a worked teacher check.
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Why Do These Two Plans Cross? A Class 9 Linear-Model Challenge
One plan begins cheaper; the other grows more slowly. Use tables, graphs and equations to decide when a fictional hire plan becomes the better choice.
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The Badge Factory: Find the Missing Design
Ten rows, ten designs—or is something missing? Try a Classes 4–5 badge puzzle with a complete dispatch list, a teacher answer and a new-rule challenge.
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The power of mathematical thinking
Discover how mathematical thinking can transform everyday decision-making for Indian students and teachers, aligned with NCF 2023 guidelines. From navigating local markets to planning personal finances, this adapted guide illustrates math’s practical applications in daily life. Dive into real-life examples, understand the power of data analysis, and explore innovative teaching strategies that make math accessible…