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11 May, 11:44

Used mental strategies to add the two numbers on a number line 45+48 =

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  1. 11 May, 12:06
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    In your head you can think 40 as 4 and then add 4+4 which equals 8 so then 40+40 = 80 then 5+8=13 so then 80+13=93
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