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RATIONAL NUMBERS WORKSHEET -2 1) Represent the following rational numbers on the number line: a)-3/4 b) 31/-6 c) -1/2 d) ¾ 2) Write the following rational numbers in the standard form: a) 5/15 b) -24/40 c) 33/-77 d) -45/-105 3) Compare the following rational numbers: 1) -9/27, 6/-18 2) -5/7, 10/-6 3) 3/-8, -15/40 4) -11/7, 33/21 4) Arrange the following rational numbers in the descending order: 1) 2/-3, -4/9, -5/12, 7/-18 2) 3/-4, -5/12, -7/16, 9/-24 5) Arrange the following rational numbers in the ascending order: 1) 2/5, 1/3, 3/4, 1/6 2) 5/6, 7/8, 11/12, 3/10 6) Fill in the blanks by the correct symbol >, = or < : 1) | 3/4| ---------| ½| 2) |-1/2| ----- | -3/4 | 7) Add: 1) 3/7 and -9/7, 2) 5/9 and 7/-9 3) 2/5, 5/-9 and -6/15 8) Simplify: 1) -2 + ( 3 / 8 ) + ( - 1 / 5 ) , 2) (2/3) + ( -7/11) + (-1/4 ) 9) Verify that a + b = b + a by taking (1) a = -7/5, b = 2/7 (2) a = -1 , b = -2/3
D.A.V PUBLIC SCHOOL VASANT KUNJ NEW DELHI HHW CLASS VII
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10) Verify that (a+b)+c.=a+(b+c) by taking (1) a = -2 , b = -2/3 , c = -3/4 (2) a = -12, b = -9/11, c = 7/-12 11) Simplify the following: 1) (2/3) + (-4/5) + I + (-2/3) + (-11/5) 2)(5/8) + (-8/9) + 0 + (-13/3) + (17/24) 12) Subtract : 1) (-3/4) from (1/2) 2) (5/8) from (-3/14) 13) What should be added to (-7/20) to get (-2/5)? 14) The sum of two rational numbers is (-3/7). If one of the number is (-5/8) find the other. 15) The sum of two rational numbers is (-5/8). If one of the number is (6/11), find the other number.
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