Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. Understand that in adding two-digit numbers, one adds tens and tens, ones and ones; and sometimes it is necessary to compose a ten.
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Math Jenga Game Cards for Adding and Subtracting Multiples of 10
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Math Jenga Game for 0-20 Addition & Subtraction Facts with Valentine’s Day Theme
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Math Jenga Game for 2 Digit Addition with Valentine’s Day Theme
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Math Jenga Game for 2 Digit Subtraction with Christmas & Winter Holiday Theme
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Math Jenga Game for 2 Digit Subtraction with Valentine’s Day Theme
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Math Jenga Game for Addition and Subtraction Christmas & Winter Holiday Theme
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