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Previous Standard Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false.
Next Standard Count to 120, starting at any number less than 120. In this range, read and write numerals and represent a number of objects with a written numeral.
Operations and Algebraic Thinking Work with addition and subtraction equations. 8Determine the unknown whole number in an addition or subtraction equation relating to three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = ?– 3, 6 + 6 = ?.
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Sort By Grade - Solving Mixed Problems within 20 (+ -) worksheet Sort By Grade - Solving Mixed Problems within 20 (+ -) worksheet 1oa8Solving Mixed Problems within 20 (+ -) M
Each worksheet has 20 problems solving addition and subtraction problems.
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