Olga an Carlos each buy some packets of pens. All the packets contain the same number of pens. Olga's packet contain a total of $96$ pens. Carlos' packets contain a total of $132$ pens. What is the largest possible number of pens that could be in a packet?

Write these labels in the correct places on the Venn diagram.

integers; natural numbers; rational numbers

Write the following numbers, in their respective places on the Venn diagram.

$8, -13, 3\frac{1}{2}, 1, 0.675, \frac{-3}{11}, \mathrm{\pi }$

Sajid says he can think of a natural number that is not rational. Is he correct? Explain your answer.

All integers are rational numbers.

Is each statement true or false?

All integers are natural numbers.

Is each statement true or false?

All natural numbers are rational numbers.

Is each statement true or false?

All positive numbers are rational numbers.