The chapter “How Many Times” is Chapter 7 from Merry Math III for students of Class 3rd of JKBOSE. This particular post is about Length Mass and Capacity Solutions Page No 121 to Page No 126. In a previous post, you read about Length Mass and Capacity Solutions Page No 115 to Page No 120. Let’s get started:
Length Mass and Capacity Solutions Page No 121 to Page No 126
Page 121 The Long Tail Competition
The animals in this picture had a competition. The animal who had the longest tail won a prize. Now who do you think won the first prize and who won the second ……..?
Just guess the length of the longest tail.
Ans. The monkey won the first prize and the cow won the second prize. The length of the longest tail is about 1 metre.
Page 123 Pumpkin Tomato ‘Panga’
* How many small tomatoes do you think could lift the pumpkin up?
Guess: -Ten
– Twenty
– Forty
Ans. Forty small tomatoes can lift the pumpkin.
* How many big mangoes can balance the pumpkin?
Ans. Fifteen big mangoes can balance the pumpkin.
* How many pumpkins can balance you on the see-saw?
Ans. Six pumpkins can balance on the see-saw.
* Name some of your classmates who you think weigh:
(a) almost the same as you
(b) More than you
(c) Less than you.
(Do yourself)
* How many books can you lift on one hand keeping your arm straight?
Ans. We can lift four or five books in one hand keeping our arms straight.
Page 124 Double her Weight
Kunjamma’s parents have a different way of celebrating Independence Day because Kunjamma was born that day. They buy sweets double of Kunjamma’s weight and distribute them among poor people.
When Kunjamma was born, she was 3 kg. Today is Independence Day and Kunjamma is 5 years old. She is 28 kg now.
* Now guess her weight and the amount of sweets her parents distribute every Independence Day.
| Kunjamma’s age | Kunjamma’s Weight | Amount of sweets |
| At birth | 3 kg | 3+3 = 6 kg |
| 1 year old | 9 kg | |
| 2 years old | 13 + 13 = 26 kg | |
| 3 years old | 17 kg | |
| 4 years old | 22 + 22 = 44 kg | |
| 5 years old | 28 kg |
Sol.
| Kunjamma’s age | Kunjamma’s Weight | Amount of sweets |
| At birth | 3 kg | 3+3 = 6 kg |
| 1 year old | 9 kg | 9 +9 = 18 kg |
| 2 years old | 13 kg | 13 + 13 = 26 kg |
| 3 years old | 17 kg | 17 + 17 = 34 kg |
| 4 years old | 22 kg | 22 + 22 = 44 kg |
| 5 years old | 28 kg | 28 + 28 = 56 kg |
Guess your own weight.
Ans. 22 kg
Page 125 Yum-Yum Rice
Shugoto heard about a new dish on the radio. He wants to try making it. When he notes down how to make it, he gets confused.
This is what he notes down-
(1) Pour 2 spoons of water in the pot.
(2) Boil the water and add
–1 pinch of daal
–half kg red chilli powder
–1 bowl salt
(3) Now put a spoon of rice.
(4) Add 2 peas and 8 glasses of mustard seeds.
(5) Finally add 1 kg of onions.
Mix everything and boil for 15 minutes.
But Shugoto feels there is something very wrong in the amounts of everything !!!
* Help him match the things with their right amounts:
1 kg rice
half kg daal
_______ peas
_______ water
_______ onions
_______ salt
_______ mustard seeds
_______ red chilli powder.
Sol.
1 bowl peas
8 glasses water
2 onions
2 spoon salt
1 pinch mustard seeds
1 spoon red chilli powder.
Page 126 Activities
1. (a) Identify five objects that weigh more than 1 kilogram (kg)
Sol. (i) Myschool bag (ii) a bag of cement (iii) A brick (iv) a big pumpkin (v) a chair
(b) Identify three objects that weigh about a kilogram (kg)
Sol (i) Big mango (ii)A packet of salt (iii) surf packet
(c) Identify four objects that weigh less than 1 kilogram (kg)
(i) Geometry box (ii) Pair of slippers (iii) your math book (iv) Empty bottle.
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