4th Grade Operations & Algebraic Thinking CCS: 4.0 A & Q Who Wants To Be A Mathematic Magician! Let’s Begin 4th Grade Operations & Algebraic Thinking CCS: 4.0 A & Q

Rounding whole numbers Rounding a whole number means reducing the digits in a number while trying to keep its value similar (Mathisfun.com, n.d.). Decide which is the last digit to keep Leave it in the same of the next digit is less then 5 (rounding down) Increase it by 1 (one) if the next digit is 5 or more (rounding up) Example: 43 rounded to the nearest tenth is 40 180 rounded to the nearest hundredth is 200 Let’s practice

1. What is 6,479,831 rounded to the nearest hundredth thousand? B. 6,500,000 C. 6,550,000 D. 6,000,000

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Sequence or number patterns A sequence is a list of numbers or objects in a special order (Mathisfun.com, n.d.). Example: 2, 4, 6, 8 is a sequence increasing by two is a object pattern Let’s practice

Review the following sequence: 1, 2, 4, ___, 16, 32 What number is missing in this sequence? A. 5 B. 10 C. 8 D. 15

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A fraction is a part of a whole. FRACTIONS A fraction is a part of a whole. Let’s watch a video

Adding Fractions Let’s practice

What is the answer: 2 + 1 = 3 6 A. 1/3 B. 3/6 C. 5/6 D. 1

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References Animation Library. (n.d.). Retrieved February 12, 2015, from http://animationlibrary.com/animation/27947/Magic_trick/ Grade 4 » Operations & Algebraic Thinking. (n.d.). Retrieved February 12, 2015, from http://www.corestandards.org/Math/Content/4/OA/ Math is Fun - Maths Resources. (n.d.). Retrieved February 12, 2015, from http://www.mathsisfun.com/ Smileys » Applause Smileys. (n.d.). Retrieved February 12, 2015, from http://www.picgifs.com/smileys/applause/