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Year 3-5 Mathematics Open-ended Activities Number & Place Value

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Place Value How many ways can you rename 1265?” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Place Value How many numbers can you make using the digits 1, 2, 3 and 4? You can only use each digit once in each number.” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Place Value A number has been rounded off to 1200. What might the number be?” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Number Create a pattern that starts at 91 that someone else can continue.” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Number The number 8 is halfway between two numbers. What might those two numbers be?” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Operations I have some marbles. I give some away to my friends and I am left with 15. How many marbles might I have started with and how many might I have given away?” Open-ended Maths Activities by Peter Sullivan and Pat Lilburn

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Operations What might the missing numbers be?” ___ x ___ = 50 ___ x ___ = 50 Teaching and Assessing Maths through Open-ended Activities by Pat Lilburn & Irene Sawczak

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Operations Describe how you would subtract 19 from 83 in your head. What other subtractions could you do using a similar method?” Teaching and Assessing Maths through Open- ended Activities by Pat Lilburn & Irene Sawczak

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Place Value I am thinking of a number between 8000 and 9000. Its hundreds digit is 5 and its ones digit is 2. What might the number be?” Teaching and Assessing Maths through Open-ended Activities by Pat Lilburn & Irene Sawczak

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Operations The number 17 cannot be divided equally by either 2 or 3. What other numbers are not divisible by either 2 or 3?” Teaching and Assessing Maths through Open-ended Activities by Pat Lilburn & Irene Sawczak

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