Properties of Whole Numbers

Consider the number $24, 8 \mathrm{and} 3.$ Using these numbers, check whether division is closed in the whole numbers or not. Also check if the commutative properrty and the associative property are satisfied or not.

Evaluate by using suitable arrangements of numbers.

$625\times 16\times 279$

Evaluate by using suitable arrangements of numbers.

$191-182+9$

In the morning, Ram and Rahim go for a walk in a park. Ram covers $50$ rounds of $100 \mathrm{m}$ each and Rahim covers $100$ rounds of $50 \mathrm{m}$ each. Who covers more distance?

There are $1759$ sacks of rice, $982$ sacks of wheat and $18$ sacks of sugar in the godown of a shopkeeper. Find the total number of sacks in the godown.

Shelia manufactures ready-made garments. She requires ribbons to attach on the garments. One roll of ribbon is $20 \mathrm{cm}$ long. Shelia bought $8$ boxes, each containing $5$ rolls of ribbon to attach on the garments. Find the total length of ribbon she bought.

A school canteen charges $₹25$ for a pack of lunch. An average of $215$ lunch packs are sold per day. Find the amount collected by selling as many lunch packs in $4$ days.

The cost of a notebook is $₹36$. A school ordered $8$ bundles of $125$ notebooks each. Find the amount paid by the school for these notebooks. 

Which of the following properties does not hold good for whole numbers?

Which of the following is not correct?

A sandwich costs $₹49$, a chocolate milkshake costs $₹72$ and the cost of a cup of ice cream is $₹51$. Find the total cost of all the three items put together.

Write the property used in the following.

$189+\left(53+11\right)=189+\left(11+53\right)=\left(189+11\right)+53$

Write the property used in the following.

$152+0=0+152=152$

Write the property used in the following.

$88+\left(979+12\right)=\left(88+979\right)+12$

Write the property used in the following.

$175+32=32+175$

_____ $÷972=1$

$2\times 179\times 50=179\times$_____

$394\times 65\times 72=394\times 72\times$_____

$75\times 42=42\times$_____

$183\times$_____$=183$