INNOVATION IN EDUCATION: Rational numbers

Wednesday, May 8, 2019

Rational numbers

Grade 8

Practice Questions

(Rational numbers and square roots)

Set 1

Q1 Solve the following
a) $\frac{1}{5}\times 8+\frac{1}{5}\times 7$

b) $9\times \frac{1}{2}-8\times\frac{1}{2}+\frac{1}{2}\times 1$

c) $11 \times \frac{1}{3}-8\times\frac{1}{3}+\frac{1}{3}\times 1$

d) $\frac{1}{5}\times 17-2\times \frac{1}{5}$

e) $\frac{11}{2}\times 6-5\times \frac{11}{2}+ 5\times\frac{11}{2}-6\times \frac{11}{2}$

Q2 What number should be added to $\frac{11}{2}$ to get -3?
Q3 Find 5 rational numbers between $\frac{1}{3}$ and $\frac{2}{3}$ .
Q4 Find the least square number divisible by each one of 8,9 and 10
Q5 Find the Pythagorean triplet whose smallest number is 8.

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Wednesday, May 8, 2019

Rational numbers

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