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Term 1 Week 1 Place Value 1 More/One Less

This week we will be learning about 1 more and one less. To work out one more and one less of any number we must focus on the pattern the digits repeat. If you look at your ones column it repeats the pattern of 1,2,3,4,5,6,7,8,9,0 over and over again. We can use this knowledge to first decide if the 10s column is going to change. If it is will it be one more lot of 10 or one less depending on whether you are going down or up. We need to worry about this if your number ends in 1 or 9. If it doesn't you know the 10s won't change and then you just need to think about your 1s pattern. This makes finding one more or one less of any number easy peasy!

Overview and Weekly Reasoning Slides

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