8th Mathematics Monthly Test - 3 ( Numbers )

St. Britto Hr. Sec. School - Madurai

8th Mathematics Monthly Test - 3 ( Numbers )-Aug 2020

Time : 1.30 Hours

Part - A

Generic 3 - Answer All Question

What number should be subtracted from \(\frac{-5}{3}\) to get \(\frac{5}{6}\)?

Simplify 1+\(\frac{-4}{5}\)

Find 6 rational numbers between \(\frac { -7 }{ 11 } \) and \(\frac { 5 }{ -9 } \)

Verify associative property for addition \(x=\frac { -7 }{ 11 } ,y=\frac { 2 }{ 11 } ,z=\frac { 3 }{ 11 } \)

Add: \(\frac { -5 }{ 9 } ,\frac { -4 }{ 3 } ,\frac { 7 }{ 12 } \)

Subtract \(\frac { 9 }{ 17 } \) from \(\frac { -12 }{ 17 } \)

What number should be subtracted from \(\frac{7}{3}\) to get \(\frac{5}{4}?\)

Add \(\frac{4}{-3}\) and \(\frac{8}{15}\)

Add: \(\frac { -6 }{ 11 } ,\frac { 8 }{ 11 } ,\frac { -12 }{ 11 } \)

The product of two rational numbers is \(\frac{-28}{81}\). If one of the number is \(\frac{14}{27}\). find the other number.

One roll of ribbon is \(18\frac { 3 }{ 4 } \) m long. Sankari has four full rolls and one – third of a roll. How many meters of ribbon does Sankari have in total?

Add and simplify in mixed fraction \(\frac{-12}{5}\)and \(\frac{43}{10}\)

A student instead of multiplying a number by \(\frac { 8 }{ 9 } ,\) divided it by \(\frac { 8 }{ 9 } \) by mistake. If the difference between the answers got by him is 34, find the number.

Simplify \(\left( \frac { -16 }{ 5 } \times \frac { 20 }{ 8 } \right) -\left( \frac { 15 }{ 5 } \times \frac { -35 }{ 3 } \right) \)

Write the following decimal numbers as rationals.
0.666…

Find the rational numbers that should be added and subtracted that will make the sum \(3\frac { 1 }{ 2 } +1\frac { 3 }{ 4 } +2\frac { 3 }{ 8 } \) to the nearest whole number.

In the NEET exam, out of a total of 180 questions, a Jeyanth answered \(\frac { 19 }{ 30 } \) of the questions correctly and \(\frac { 5 }{ 18 } \) of the questions incorrectly. How many questions did Jeyanth not attend at all?

Subtract \(\left( -2\frac { 6 }{ 11 } \right) \) from \(\left( -4\frac { 5 }{ 22 } \right) \)

Subtract \(\frac { -180 }{ 225 } \) from \(\frac { 200 }{ 225 } \)

Verify x x (y x z) = (x x y) x z for x=\(\frac{5}{7},y=\frac{-12}{13}\)and z=\(\frac{-7}{18}\)

Simplify \(\frac { 2 }{ 5 } +\frac { 8 }{ 3 } +\frac { -11 }{ 15 } +\frac { 4 }{ 5 } +\frac { -2 }{ 3 } \)

What number should be added to \(\frac{-7}{8}\) to get \(\frac{5}{9}\)?

Evaluate: \(\left( \frac { 4 }{ 3 } -\left( \frac { -3 }{ 2 } \right) \right) +\left( \frac { -5 }{ 3 } \div \frac { 30 }{ 12 } \right) +\left( \frac { -12 }{ 9 } \times \frac { -27 }{ 16 } \right) \)

Find \(\frac { -5 }{ 8 } \times 7\)

Simplify \(\left( \frac { 13 }{ 7 } \times \frac { 11 }{ 26 } \right) -\left( \frac { -4 }{ 3 } \times \frac { 5 }{ 6 } \right) \)

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8th Mathematics Monthly Test - 3 ( Numbers )

St. Britto Hr. Sec. School - Madurai

8th Mathematics Monthly Test - 3 ( Numbers )-Aug 2020

Part - A

Generic 3 - Answer All Question

What number should be subtracted from \(\frac{-5}{3}\) to get \(\frac{5}{6}\)?

Simplify 1+\(\frac{-4}{5}\)

Find 6 rational numbers between \(\frac { -7 }{ 11 } \) and \(\frac { 5 }{ -9 } \)

Verify associative property for addition \(x=\frac { -7 }{ 11 } ,y=\frac { 2 }{ 11 } ,z=\frac { 3 }{ 11 } \)

Add: \(\frac { -5 }{ 9 } ,\frac { -4 }{ 3 } ,\frac { 7 }{ 12 } \)

Subtract \(\frac { 9 }{ 17 } \) from \(\frac { -12 }{ 17 } \)

What number should be subtracted from \(\frac{7}{3}\) to get \(\frac{5}{4}?\)

Add \(\frac{4}{-3}\) and \(\frac{8}{15}\)

Add: \(\frac { -6 }{ 11 } ,\frac { 8 }{ 11 } ,\frac { -12 }{ 11 } \)

The product of two rational numbers is \(\frac{-28}{81}\). If one of the number is \(\frac{14}{27}\). find the other number.

One roll of ribbon is \(18\frac { 3 }{ 4 } \) m long. Sankari has four full rolls and one – third of a roll. How many meters of ribbon does Sankari have in total?

Add and simplify in mixed fraction \(\frac{-12}{5}\)and \(\frac{43}{10}\)

A student instead of multiplying a number by \(\frac { 8 }{ 9 } ,\) divided it by \(\frac { 8 }{ 9 } \) by mistake. If the difference between the answers got by him is 34, find the number.

Simplify \(\left( \frac { -16 }{ 5 } \times \frac { 20 }{ 8 } \right) -\left( \frac { 15 }{ 5 } \times \frac { -35 }{ 3 } \right) \)

Write the following decimal numbers as rationals. 0.666…

Find the rational numbers that should be added and subtracted that will make the sum \(3\frac { 1 }{ 2 } +1\frac { 3 }{ 4 } +2\frac { 3 }{ 8 } \) to the nearest whole number.

In the NEET exam, out of a total of 180 questions, a Jeyanth answered \(\frac { 19 }{ 30 } \) of the questions correctly and \(\frac { 5 }{ 18 } \) of the questions incorrectly. How many questions did Jeyanth not attend at all?

Subtract \(\left( -2\frac { 6 }{ 11 } \right) \) from \(\left( -4\frac { 5 }{ 22 } \right) \)

Subtract \(\frac { -180 }{ 225 } \) from \(\frac { 200 }{ 225 } \)

Verify x x (y x z) = (x x y) x z for x=\(\frac{5}{7},y=\frac{-12}{13}\)and z=\(\frac{-7}{18}\)

Simplify \(\frac { 2 }{ 5 } +\frac { 8 }{ 3 } +\frac { -11 }{ 15 } +\frac { 4 }{ 5 } +\frac { -2 }{ 3 } \)

What number should be added to \(\frac{-7}{8}\) to get \(\frac{5}{9}\)?

Evaluate: \(\left( \frac { 4 }{ 3 } -\left( \frac { -3 }{ 2 } \right) \right) +\left( \frac { -5 }{ 3 } \div \frac { 30 }{ 12 } \right) +\left( \frac { -12 }{ 9 } \times \frac { -27 }{ 16 } \right) \)

Find \(\frac { -5 }{ 8 } \times 7\)

Simplify \(\left( \frac { 13 }{ 7 } \times \frac { 11 }{ 26 } \right) -\left( \frac { -4 }{ 3 } \times \frac { 5 }{ 6 } \right) \)

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Write the following decimal numbers as rationals.
0.666…