Today, we will look at using part-whole diagrams to solve missing number problems. In a part-whole diagram, the circle that is on its own is the largest number. The numbers in the circles at the end of the lines that come from the centre circle add together to make the centre circle number. Sounds confusing doesn’t it. Hopefully this diagram will help. Often, one of the numbers in the part-whole diagram will be missing, and you will be asked to find the other one using your addition and subtraction skills. See if you can solve these: If you really want a challenge, see how many different ways you can complete this part-whole model so that the answers are correct.
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Greenhouse LearningEnglish, Maths and Creative lessons for Primary School aged children (including EYFS). Archives
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