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Published byEddy Morgeson Modified over 3 years ago

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**{ } Numbers N = W = Z = Q = Natural Numbers 1 2 3 4 5 6 7 8 9 10 ……..**

Whole Numbers W = 1 2 3 4 5 6 7 8 9 …….. Integers Z = …… -3 -2 -1 1 2 3 4 5 …….. Rational Numbers p { } Q = : p , q both integers , q ≠ 0 q M May

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**e R Q Z W N Some Rational numbers : 1/2 A Venn Diagram 3 4 7 11 8 3 6**

-7 9 Some Rational numbers : R Q Z W N π -2 1/2 e 1 2 6 A Venn Diagram

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**- calculate ÷ / + divide add subtract multiply times x Sum of**

Difference between How many? times total of …. Equal shares How much more than? Total when each cost …. … is …. more than … How much for each? How much for …. at … … is …. less than … How much altogether? Fair shares Several at ... How much less than?

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**Integers -7 + 9 = 2 -1 + 2 = 1 -3 + 5 = 2 -6 + 9 = 3 -16 16 -2 -15 2**

= 2 = 1 = 2 = 3 -16 16 -2 -15 2 = 2 -5 3 -1 -3 -2 4 = -3 -8 8 -2 -13 2 = = = = = = = = = -6 - (-9) = -3 - (-2) = -8 - (-5) = = = = 7 + (-9) = 3 + (-1) = 3 + (-5) = = = = -7 - (-9) = -3 - (-1) = -3 - (-5) = 7 - (-9) = 3 - (-1) = 3 - (-5) = -6 + (-9) = -3 + (-2) = -8 + (-5) =

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Fractions 4 7 2 7 = 6 7 3 5 3 8 + - 2 5 4 5 24 40 15 40 3 5 5 6 = 13 30 1 = + - + 6 5 1 5 9 40 = = = 1 2 3 1 6 = 5 6 + 3 8 3 4 2 9 7 12 4 9 5 18 = 13 18 + + + 3 8 6 8 8 36 21 36 = + = + 5 6 7 8 = 17 24 1 + 9 8 1 8 = 1 29 36 = = 3 4 9 16 = 5 16 1 +

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6.4 Adding and Subtracting Mixed Numbers

6.4 Adding and Subtracting Mixed Numbers

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