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Math Expressions How does it all work together…?

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Whys….. US students perform near the bottom by the end of high school. Singapore Math NCTM highlights the need for a well defined curriculum Movement toward Conceptual Math Catawba County is training every teacher in Math Foundations

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Why? Number & Operations Geometry Algebra Data Analysis and Probability Measurement

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The DNA of Math Measurement Number & Operations Data Analysis and Probability Geometry Algebra

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Try for 100 Two players Take turns rolling a die Each must decide if the number will go in the ones or tens place The winner is the one that is closest to 100 without going over.

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Try for 100 TensOnes 1. 2. 3. 4. 5. 6.

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Make 10 Roll 10 dice Make as many combinations as you can that equal 10. Write the number sentence for each combination. The sum of the dice left over becomes your score. After 5 rolls, the player with the lowest score wins.

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Addition 487 +257 400 + 80 + 7 + 200 + 50 + 7 744 1 600 + 130 + 14

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25 +43 68 35 +56 91 20 + 5 40 + 3 60 + 8 30 + 5 50 + 6 80 + 11 Proof Drawings

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Addition 42 +54 96 40 + 2 +50 + 4 90 + 6

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Subtraction 243 -122 121 100 + 20 + 1 =121 200 + 40 + 3 100 + 20 + 2

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Subtraction 63 - 26 37 513

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Subtraction 43 - 26 17 40 + 3 - 20 + 6 10 + 7 = 17 30 10 + 3 = 13

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Multiplication 6 1200 12 80 32 x 46 40 180 1200 180 80 + 12 1,472 30 2

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Multiplication 53 x 47 50 + 3 40 + 7 2,000120 35021 2,000 350 120 21 2, 491

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Division 16269 - 160 109 16 10 109 - 80 29 5 - 16 13 1 16 r. 13

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Division 269 - 150 119 - 75 44 - 30 14 15 269 15 10 15 5 2 ++ 17 r. 14 =

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