Introduction to Whole Numbers

Counting numbers are usually called natural numbers.

Properties of whole number.

If one boy give $2$ cards in$₹ 30$ so in $₹ 500$ what number of cards he give.

How many whole numbers are there between $21$ and $75$

What is the difference between whole and natural numbers ?

Is zero an even number?

$7589 -$ _____$=3434$

Write the successor of $32457$

Write the smallest natural number in figures.

How many times does the digit $9$ occur in the ones place, if we write all the natural numbers from $10$ to $99$?

Write the smallest whole number.

In the given multiplication, the value of $2A+B+2C$ is

$AB\times 5CAB$

The value of $A$ in the given multiplication problem is 

$\begin{array}{rcl}& & 3 A\\ & & \times A\end{array}$

The value of $A$ in the following addition problem is

$87A+7A41640$

Solve the following using suitable rearrangement.

$525\times 110\times 2$

Solve the following using suitable rearrangement.

$56+766+44+234$

If $23$ litres of water is utilised by $69$ people, how many litres of water will be needed for $1890$ people in similar circumstances?

There are $8$ girls and $10$ boys in every section of Class $\mathrm{VI}$. There are $12$ such sections. How many children are there in Class $\mathrm{VI}$ in all? Use suitable property to support your answer.

Solve the following using suitable rearrangement.

$4\times 128\times 5\times 2$

Solve the following using suitable rearrangement.

$243+621+357$