NCERT Solutions for Class 3 Mathematics Chapter-12 Can We Share?
Share the Grains
1.Mummy bird brings 12 grains.
How to distribute equally?
Mummy bird starts by giving 1 grain to each baby. Then mummy bird gives one more grain to each baby. Each baby has got 2 grains now. How many grains are
Answer: There are 4 baby birds and each baby bird gets 2 grains.
So, number of grains with baby birds = 2×4 = 8
So, number of grains left = 12 – 8 = 4
She puts one more grain in each baby’s mouth. All the grains are finished.
12 grains have been divided among 4 baby birds. Each baby has got 3 grains. 12÷4 = 3
Try These Now
Gopu has 3 plates of jalebis.
Each plate has a different number of jalebis.
Now draw the jalebis on the plates below, so that each plate has the same number of jalebis.
1.How many jalebis are there altogether?
Answer: 1 + 5 + 3 = 9 jalebis.
2.How many jalebis are there in each plate?
Answer: 3 jalebis.
3.Discuss in the class how you found the answer.
Answer: Total number of jalebis = 1 + 5 + 3 = 9
Total number of jalebis is divided into 3 equal parts:
9÷3 = 3
So, each plate gets 3 jalebis.
Sharing Them Equally?
Here are six bananas.
Here are three monkeys.
If they share the bananas equally, each monkey will get 2 bananas.
6 bananas divided into 3 equal parts = 2 bananas each 6 + 3 = 2
If there are six bananas and two monkeys,
Each monkey will get three bananas.
Six bananas + 2 = 3 bananas each.
6 ÷2 = 3
1.If there are 60 bananas and two monkeys, how many will each monkey get?
Answer: 60 ÷ 2 = 30 bananas
So, each monkey will get 30 bananas.
2.What if there are 600 bananas and two monkeys?
Answer: 600 ÷ 2 = 300 bananas
So, each monkey will get 300 bananas.
Five friends found 10 five-rupee coins on the ground. They shared them equally. Each friend got ten rupees.
50 ÷ 5 = 10
If there are 16 ten-rupee notes and four friends to share, then 16 ÷ 4 = 4 ten-rupee notes and 4 x 10 = 40. So, each friend gets 4 x 10 = 40
rupees.
1.Five friends found ? 100. If they share it equally, how much will each get?
Answer:100÷ 5 = 20.
2. Hari Prasad has 30 metres of rope.
He distributes it equally among his three children. Each child gets———–metres of rope.
Answer: 30÷3 = 10 metres.
3.If there is 36 metres of rope, how much of rope will each child get?
Answer: 36 ÷ 3 = 12 metres.
4.If there is 60 metres of rope, how much will each child get?
Answer: 60 ÷ 3 = 20 metres.
How Many Shelves?
1.I have 20 books. I can keep 5 books in one shelf, so how many shelves do I need in my almirah?
Answer: 20÷5 = 4 shelves.
Practice Time
1. Minku puts her 15 laddoos equally into 5 boxes.
(i)How many laddoos will there be in each box?
Answer: 15 ÷ 5 = 3 laddoos in each box.
(ii)If she uses only 3 boxes, how many laddoos will there be in each box?
Answer: 15 ÷ 3 = 5 laddoos in each box.
2.Share 25 bananas among 5 monkeys. How many bananas for each monkey?
Answer: 25 ÷5 = 5 bananas for each monkey.
3.Share 12 balloons among 3 boys. How many balloons for each boy?
Answer: 12÷ 3 = 4 balloons for each boy.
4.There are 21 candles. Put them equally in 3 boxes. How many candles are there in each box?
Answer: 21 ÷ 3 = 7 candles in each box.
5.There are 18 socks. How many girls can wear these socks?
Answer: One girl wears 2 socks.
So, 18÷ 2 = 9 girls can wear these socks.
Raj has 36 minutes to make rotis. One roti takes 3 minutes.
6.How many rotis can he make in this time?
Answer: 36 ÷ 3 = 12
So, Raj can make 12 rotis in this time.
7.There are 24 foot marks of goats. So, how many goats are there?
Answer: 1 goat will make 4 foot marks, So, 24 -r 4 = 6 goats are there.
8.Some girls are playing a game with both their hands. The girls,“who are playing, ! have 60 fingers; altogether. How many girls are playing this game?
Answer: Each girl has 10 fingers.
So, 60 ÷10 = 6 girls are playing this game.
9.Lakshmi has 27 kg potatoes to sell. Three men came and bought equal amounts————— of potatoes. Each man bought kg of potatoes.
Answer: 27 ÷ 3 = 9 kg of potatoes.
Jumpy Animals
1.In how many jumps will the frog reach 30?
Answer: 30÷2 = 15.
2.In how many jumps will the squirrel reach 27?
Answer: 27÷ 3 = 9.
3.Which number will the kangaroo reach in two jumps?
Answer: 30 x 2 = 60
4.Who all will meet at number 15?
Answer: Squirrel, rabbit, horse.
Explanation: One jump of the squirrel is 3 steps and 15 is divisible by 3 One jump of a rabbit is 5 steps and 15 is divisible by 5 One jump of the horse is 15 steps.
So, all these three animals can meet at number 15.
5.Will the rabbit ever be at the number 18?
Answer: No.
Explanation: One jump of a rabbit is 5 steps and 18 is not divisible by 5. So, the rabbit can never reach number 18.
6.How many jumps of the rabbit equal one jump of the horse?
Answer: One jump of horse = 15 steps One jump of rabbit = 5 steps
So, 15÷ 5 = 3 jumps of rabbit equal one jump of the horse.
7.How’ many jumps of the horse equal two jumps of the kangaroo?
Answer: One jump of kangaroo = 30 steps
So, two jumps of kangaroo = 30 x 2 = 60 steps One jump of horse = 15 steps
So, 60 ÷15 = 4 jumps of horse equal two jumps of kangaroo.
8.Which is the smallest number where the frog and the squirrel will meet?
Answer: One jump of frog = 2 steps
One jump of squirrel = 3 steps And, 2×3 = 6
So; the smallest number where the frog and the squirrel will meet is 6.