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Monday’s Math

Monday’s Math. February 21 st , 2011. Addition: Two and Three Digits When doing an addition problem, always: Place the numbers so the ones places are in a straight line. Add each column, starting on the right and working to the left .

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Monday’s Math

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  1. Monday’s Math February 21st, 2011

  2. Addition: Two and Three Digits When doing an addition problem, always: Place the numbers so the ones places are in a straight line. Add each column, starting on the right and working to the left. If the sum is greater than 9, carry the one to the next column on the left. (Regrouping) Remember your math tricks for faster speed and accuracy!

  3. Math Tricks This week we will have new math tricks. Listen for your name to see which math trick you will be working on to improve your speed and accuracy. Take the pre-test on your problems. We will be working on these throughout the week!

  4. Math Tricks

  5. Subtraction of Whole Numbers Using your math trick groups from last week, practice subtracting. Subtraction is the opposite of addition, so you will be able to remember your numbers better than you think! For example, 2 Ladder Group: 2+6=8 SO 8-6=2 and 8-2=6 You practice: Solve these review problems, then using the digits in the addition problem and solution, write two subtraction facts.

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