1)How to find rational numbers between 3/5 and 4/5 (with the help a+b/2 formula)
2)How to find rational numbers between 3 and 4
3)How to place square roots on number line.
4)You know that 1/7=0.142857.can you predict what the decimal expansions of 2/7,3/7,4/7,5/7,6/7 are, without actually doing the long division?if so,how?

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Answers

2016-04-24T15:58:31+05:30
2) ex:find out 2 rational numbers between 3 and 4
=>3+4=7 then 3=21/2+1,4=28/2+1.then 2 rational numbers are 22/3,23/3.
4)we can write 2/7=2×1/7=2×0.142857=0.285714 then by same method 3/7=0.428571,4/7=0.571428,5/7=0.714285,6/7=0.857142

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