Adding 3-digit numbers columns ( regrouping), Title: grade 2 addition worksheet -adding 3-digit numbers in columns (with regrouping) author: k5 learning subject: grade 2 addition worksheet keywords. Subtracting 3-digit numbers (regrouping) 2 (video) | khan, I've written the same subtraction problem twice. here we see we're subtracting 172 from 629. and all i did here is i expanded out the numbers. i wrote 629 as 600 plus. Numbers - adding / subtracting decimals - glance, If you know how to add and subtract whole numbers, then you can add and subtract decimals! just be sure to line up the terms so that all the decimal points.
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