Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 3 Measurements Ex 3.4 Textbook Questions and Answers, Notes.
Question 1.
Estimate how much liquid each object can hold.
(Hint: 500 ml, 100 ml, 50 ml, 25 ml, 20l)
(i)
Answer:
50 ml
(ii)
Answer:
500 ml
(iii)
Answer:
100 ml
(iv)
Answer:
25 ml
(v)
Answer:
20 l
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 3 Measurements Ex 3.3 Textbook Questions and Answers, Notes.
I. Add the following
Question 1.
Answer:
Question 2.
Answer:
Question 3.
Answer:
II. Subtract the following
Question 1.
Answer:
Question 2.
Answer:
Question 3.
Answer:
III Solve the following.
Question 1.
Ramu filled the petrol in his two cars. The first one hold the capacity of 23 l 500 ml and the second one hold the capacity 15 l 750 ml. Find the total quantity of petrol.
Answer:
First Car = 23 l 500 ml
Second Car = 15 l 750 ml
Total Quantity = 39 l 250 ml
Question 2.
Kannan has some cows. They give milk in the first week 48 1 480 ml and in the second week 57 1 530 ml. Find the total capacity of milk.
Answer:
First week = 48 l 480 ml
Second week = 57 l 530 ml
Total = 106 l 10 ml
Question 3.
The fruit juice used in a function are given below.
| S.No | Cool drinks | Capacity |
| 1. | Apple Juice | 16 l 500 ml |
| 2. | Mango juice | 23 l 160 ml |
| 3. | Grapes juice | 19 l 650 ml |
| 4. | Lemon Juice | 20 l 350 ml |
1. Apple juice + Lemon juice = ———– l ———– ml
2. Mango juice + Grapes juice = ———– l ———– ml
3. Lemon juice + Mango juice = ———– l ———– ml
Answer:
1. Apple juice + Lemon juice = ———– l ———– ml
Apple juice = 16 l 500 ml
Lemon juice = 20 l 350 ml
Total = 36 l 850 ml
2. Mango juice + Grapes juice = ———– l ———– ml
Mango juice = 23 l 160 ml
Grapes juice = 19 l 650 ml
Total = 42 l 810 ml
3. Lemon juice + Mango juice = ———– l ———– ml
Lemon juice = 20 l 350 ml
Mango juice = 23 l 160 ml
Total = 43 l 510 ml
Question 4.
The shop keeper had 43 l 750 ml of groundnut oil. He sold 24 l 350 ml. How much oil was left with him?
Answer:
shop keeper had = 43 l 750 ml
sold = 24 l 350 ml
Left = 19 l 400 ml
Question 5.
A bucket contains 15 l 500 ml of water. Gopi poured out 5 l 200 m to water the plants. How much water is left in the bucket?
Answer:
Bucket contains = 15 l 500 ml
Gopi poured = 5 l 200 m
Left = 10 l 300 ml
Question 6.
I purchased 73 l of milk. My sister has taken 34 l 500 ml of milk. So how much milk is left for me?
Answer:
purchased = 73 l
sister taken = 34 l 500 ml
Left = 38 l 500 ml
Question 7.
Find the difference between these two cans.
Answer:
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 3 Measurements Ex 3.2 Textbook Questions and Answers, Notes.
Question 1.
Complete the following. First one is done for you
(i) 5l + 376 m1 = ______ ml + ______ = ______ ml
Answer:
5l + 376 m1 = 5000 ml + 376 ml = 5376 ml
(ii) 3l + 735 m1 = ______ ml + ______ = ______ ml
Answer:
3l + 735 m1 = 3000 ml + 735 ml = 3735 ml
(iii) 4l + 43 m1 = ______ ml + ______ = ______ ml
Answer:
4l + 43 m1 = 4000 ml + 43 ml = 4043 mml
(iv) 8l + 6 m1 = ______ ml + ______ = ______ ml
Answer:
8l + 6 m1 = 8000 ml + 6 ml = 8006 ml
(v) 61 + 800 m1 = ______ ml + ______ = ______ ml
Answer:
61 + 800 m1 = 6000 ml + 800 ml = 6800 ml
Question 2.
Match the following measurements given in the bottles with the measurement in the boxes given below the bottles.
Answer:
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 3 Measurements Ex 3.1 Textbook Questions and Answers, Notes.
Question 1.
Rani hod 1 litre coconut oil. She shared it equally among her 5 friends. How much does each person have?
Answer:
1 litre = 1000 ml
Each person have 200 ml.
Question 2.
A teapot contains 2 litres, it is poured in cups with a capacity of 500 ml. How many cups can be filled?
Answer:
1 litre = 1000 ml
2 litre = 1000 × 2
= 2000 ml
4 cups
Question 3.
Ram has 1 litre of juice bottle if he gives his friend 100 ml of juice. How much is left with him?
Answer:
1 litre = 1000 ml
900 ml is left with me
Question 4.
Change litre into millilitre
1. 1l = ______ ml
Answer:
1l = 1000 ml
2. 7l = ______ ml
Answer:
7l = 7 × 1000 = 7000 ml
3. 5l = ______ ml
Answer:
5l = 5 × 1000 = 5000 ml
4. 9l = ______ ml
Answer:
9l = 9 × 1000 = 9000 ml
5. 4l = ______ ml
Answer:
4l = 4 × 1000 = 4000 ml
Question 5.
Change millilitre into litre
1. 6000 ml = ______ l
Answer:
6 litres
2. 2000 ml = ______ l
Answer:
2 litres
3. 8000 ml = ______l
Answer:
8 litres
4. 9000 ml = ______ l
Answer:
9 litres
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.7 Textbook Questions and Answers, Notes.
Simplify the following multiplication facts by adding partial products.
Question 1.
9 × 42
Answer:
42 = 40 + 2
40 × 9 = 360
2 × 9 = 18
9 × 42 = 360 + 18 = 378
Question 2.
3 × 78
Answer:
78 = 70 + 8
70 × 3 = 210
8 × 3 = 24
3 × 78 = 210 + 24 = 234
Question 3.
36 × 12
Answer:
36 = 30 + 6
30 × 12 = 360
6 × 12 = 72
36 × 12 = 360 + 72 = 432
Question 4.
18 × 19
Answer:
19 = 10 + 9
10 × 18 = 180
18 × 9 = 162
180 + 162 = 342
Question 5.
68 × 31
Answer:
68 = 60 + 8
60 × 31 = 1860
8 × 31 = 248
68 × 31 = 1860 + 248 = 2108
Question 6.
42 × 21
Answer:
42 = 40 + 2
40 × 21 = 840
2 × 21 = 42
42 × 21 = 840 + 42 = 882
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.6 Textbook Questions and Answers, Notes.
Add and subtract the following problems using multiples of 10, 100 (Mentally)
Question 1.
745 + 40 = _______
Hint:
4 + 4 = 8
745 + 40 = 785
Answer:
785
Question 2.
328 + 30 = _______
Hint:
2 + 3 = 5
328 + 30 = 358
Answer:
358
Question 3.
566 + 20 = _______
Hint:
6 + 2 = 8
566 + 20 = 586
Answer:
586
Question 4.
475 + 100 = _______
Hint:
4 + 1 = 5
475 + 100 = 575
Answer:
575
Question 5.
686 + 300 = _______
Hint:
6 + 3 = 9
686 + 300 = 986
Answer:
986
Question 6.
345 + 600 = _______
Hint:
3 + 6 = 9
345 + 600 = 945
Answer:
945
Question 7.
6348 – 10 = _______
Hint:
4 – 1 = 3
6348 – 10 = 6338
Answer:
6338
Question 8.
541 – 40 = _______
Hint:
4 – 4 = 0
541 – 40 = 501
Answer:
501
Question 9.
495 – 300 = _______
Hint:
4 – 3 = 1
495 – 300 = 195
Answer:
195
Question 10.
657 – 500 = _______
Hint:
6 – 5 = 1
657 – 500 = 157
Answer:
157
Question 11.
895 – 500 = _______
Hint:
8 – 5 = 3
895 – 500 = 395
Answer:
395
Question 12.
365 – 300 = _______
Hint:
3 – 3 = 0
365 – 300 = 65
Answer:
65
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.5 Textbook Questions and Answers, Notes.
Estimate and calculate:
Answer:
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.4 Textbook Questions and Answers, Notes.
Estimate the following numbers to nearest tens and then add or subtract.
Question 1.
Answer:
Question 2.
Answer:
Question 3.
Answer:
Question 4.
Answer:
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.3 Textbook Questions and Answers, Notes.
What else could you frame some more questions based on this table?
Answer:
i) What is the price of 6 kg of boiled rice?
ii) What is the price of loo g of red chilly?
iii) What is the price of 250 g of tamarind?
iv) What is the price of 2 kg of wheat?
v) What is the sum of the price of 6 kg boiled rice and 1 kg raw rice?
Question 1.
Frame word problems, using the picture given
Cost of 1 piece of cake ₹ 25
Answer:
1. How many pieces of cake are there?
2. Find the cost of 5 pieces of cake?
Question 2.
Frame word problems, using the picture given:
Total cost of the clocks ₹ 490
Answer:
1. What is the total cost of 1 clock?
2. What is the total cost of 3 clock
Tamilnadu State Board New Syllabus Samacheer Kalvi 4th Maths Guide Pdf Term 3 Chapter 2 Numbers Ex 2.2 Textbook Questions and Answers, Notes.
Divide the following
Question 1.
5632 ÷ 6
Answer:
Quotient = 938
Remainder = 4
Question 2.
7460 ÷7
Answer:
Quotient = 1065
Remainder = 5
Question 3.
4964 ÷ 8
Answer:
Quotient = 62
Remainder = 4
Question 4.
8616 ÷ 6
Answer:
Quotient = 1436
Remainder = 0
Question 5.
8645 ÷ 7
Answer:
Quotient = 1235
Remainder = 0
Question 6.
5742 ÷ 9
Answer:
Quotient = 638
Remainder = 0
Question 7.
In my school, there are 1115 students from class 1 to 8.
If the number of students is same in all the classes, how many
students are there in each class?
Answer:
139 students
Question 8.
The height of a mountain is 7821 m. Raj took 9 days to reach the top.
How many metres did he cover daily if he travelled equal distances every day?
Answer:
He travelled 869 m every day
Question 9.
A total of 1787 kg wheat has to be packed equally in 7 bags. What will be the weight of each bag?
Answer:
Each bag weights 225 kg