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    Problem Solving

     

    LO: To estimate and check the reasonableness of answers in addition and subtraction problems calculations by rounding numbers.

     LO: To confidently explain how and why calculations are correct using mathematical reasoning.

    What did we do in problem solving last week?

    Warm up! 

    Can you beat Mrs Chafey and write the success criteria. 

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    Who can be the first to name all 8 steps?

    Discuss:
    Did we just randomly guess?

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    Strategy: Guessing and Checking

    language:

    • Guess

    • Check

    • Too high

    • Too low

    • Adjust

    • Strategy

    • Reasoning
       

    Last week we got to step 4!

    Can we complete step 5 and 6?

    How will we do it?

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