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M May 12345678910…….. Natural Numbers 0123456789…….. Whole Numbers ……-3-2012345…….. Integers Rational Numbers p q : p, q both integers,q ≠ 0 N = W = Z.

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Presentation on theme: "M May 12345678910…….. Natural Numbers 0123456789…….. Whole Numbers ……-3-2012345…….. Integers Rational Numbers p q : p, q both integers,q ≠ 0 N = W = Z."— Presentation transcript:

1 M May 12345678910…….. Natural Numbers 0123456789…….. Whole Numbers ……-3-2012345…….. Integers Rational Numbers p q : p, q both integers,q ≠ 0 N = W = Z = Q = { } M May

2 Some Rational numbers : 3434 7 11 8383 6262 3131 -7 9 A Venn Diagram R Q Z W N 0 1 2 6 -2 1/21/21/21/2 π e

3 M May multiply add subtract divide x times + - ÷ / Sum of Difference between How many? Total when each cost …. total of …. How much more than? Equal shares How much for …. at … … is …. more than … … is …. less than … How much for each? Several at... How much altogether? How much less than? Fair shares

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

5 M May 2525 4545 + = 6565 = 1515 1 3838 3434 + = 3838 6868 + = 9898 = 1818 1 3535 3838 - = 24 40 15 40 - = 9 40 2929 7 12 + = 8 36 21 36 + = 29 36 4747 + 2727 3535 + 5656 2323 + 1616 4949 + 5 18 5656 + 7878 3434 + 9 16 = 6767 = 13 30 1 = 5656 = 13 18 = 17 24 1 = 5 16 1


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