Secondary School (English Medium) (5 to 8) इयत्ता ५ - CBSE Question Bank Solutions for Mathematics

Earlier there were no rabbits in Australia. Rabbits were brought to Australia around the year 1780. At that time there were no animals in Australia which ate rabbits. So the rabbits began to multiply at a very fast rate. Imagine what they did to the crops!

The table shows how rabbits grew every year.

• After each year the number of rabbits was -

Earlier there were no rabbits in Australia. Rabbits were brought to Australia around the year 1780. At that time there were no animals in Australia which ate rabbits. So the rabbits began to multiply at a very fast rate. Imagine what they did to the crops!

The table shows how rabbits grew every year.

• At the end of year 6, the number of rabbits was close to __________.

Earlier there were no rabbits in Australia. Rabbits were brought to Australia around the year 1780. At that time there were no animals in Australia which ate rabbits. So the rabbits began to multiply at a very fast rate. Imagine what they did to the crops!

The table shows how rabbits grew every year.

• After which year did the number of rabbits cross 1000?

Dolma took a loan from a friend to buy a moped for Rs 9,588. She has to pay it back in equal amounts every month for six months.

• How much will she have to pay every month? She asked her children to calculate. Her daughter did it this way
  500 + 500 + 500 + 90 + 8
  `6")"overline9588`
  – 3000
     6588
  – 3000
     3588
  – 3000
       588
   –  540
         48
      – 48
           X
• Her son started this way. Now you complete it.
  1000+
  `6")"overline9588`
  – 6000
  ________
  ________
  ________
  ________            

Will both of them get the same answer? Discuss.

Try to solve these using as few steps as you can.

• 4228 ÷ 4

Try to solve these using as few steps as you can

• 770 ÷ 22

Try to solve these using as few steps as you can.

• 9872 ÷ 8

Try to solve these using as few steps as you can.

• 672 ÷ 21

Try to solve these using as few steps as you can.

• 772 ÷ 7

Try to solve these using as few steps as you can

• 639 ÷ 13

976 children are going on a picnic. They will be taken in minibusses. If 25 children can go in one bus, how many buses do they need?

Two children have solved it. Check if they have made a mistake — correct it. Discuss

• 5 + 10 + 10 + 10 + 4
  `25")"overline976`
  – 125
     581
  – 250
     601
  – 250 
     351
  – 250
     101
  – 100 
        X
• 20 + 10 + 4 + 1
  `25")"overline976`
     – 500
       476
    – 250
      266
  –  125
     101
  – 100
        1

Isha has Rs 1000 with her. She wants to buy petrol. One litre of petrol costs Rs 47. How many litres can she buy?

Money with Isha = Rs 1000

Cost of 1litre = Rs 47

Litres of petrol she can buy = Rs 1000 ÷ Rs 47 =?

Isha can buy ______ litres of petrol.

Find out

If Isha comes to your city, how much petrol can she buy with the same money?

Children are happy today. They are celebrating Children’s Day. Each child will be given 4 coloured pencils from school. The school has got 969 pencils. To find out how many children can get pencils the teacher asks them to divide.

• Complete Iru s and Sreeni's way of division. What is the answer you get?

576 books are to be packed in boxes. If one box has 24 books, how many boxes are needed?

836 people are watching a movie in a hall. If the hall has 44 rows, how many people can sit in 1 row?

A gardener bought 458 apple trees. He wants to plant 15 trees in each row. How many rows can he plant? How many trees would be leftover?

Shyamli bought a battery. She read on it Life: 2000 hours. She uses it throughout the day and the night. How many days will the battery run?

Do these divisions. Check your results by multiplication.

• 438 ÷ 9

Do these divisions. Check your results by multiplication.

• 3480 ÷ 12