Addition And Subtraction And Mental Calculation Strategies
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Young scholars add two or more number using mental calculations. Given a set of single and double digit numbers, students use rounding and estimation to plan a strategy for adding and subtracting numbers without using pencil and paper.
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Four in a Row Addition and Subtraction
Scroll down to find four fun addition and subtraction partner game boards, complete with endless opportunities for practice with numbers 0-38. Kids choose numbers from a number box and, depending on the game, either find the sum or the...
1st - 3rd Math CCSS: Adaptable
Solving Two-Step Word Problems Involving Addition and Subtraction of Whole Number Including Money
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2nd - 4th Math
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Here is a worthwhile presentation on addition and subtraction word problems. After some slides which give tips on problem-solving strategies, learners are given a host of word problems to tackle on their own. They are given instant...
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4 mins 2nd - 4th Math CCSS: Designed
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Teach your class how to mentally solve whole number addition and subtraction problems using compensation from tidy numbers including equal additions. They use appropriate recording techniques and predict the usefulness of strategies for...
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