Class 4 Exam  >  Class 4 Notes  >  Mathematics for Class 4  >  Practice Questions with Solutions: Measurement

Class 4 Maths - Measurement - Question Answers

Question 1: Express as millimetres:

(a) 15 cm

We know that 1 cm = 10 mm.
So, 15 cm = 15 x 10 = 150 mm.

(b) 26 cm 5 mm

We know that 1 cm = 10 mm.
So, 26 cm 5 mm = 26 x 10 mm + 5 mm.
= 260 mm + 5 mm = 265 mm.


Question 2: Express as m and cm:

(a) 512 cm

We know that 100 cm = 1 m
So, 1 cm = 1/100 m. 

512 cm = 500 cm + 12 cm

= 500/100 m + 12 cm.
= 5 m 12 cm.

(b) 4,015 cm

4,015 cm = 4,000 cm + 15 cm

= 4,000/10 m + 15
= 40 m 15 cm


Question 3: Add 5 m 56 cm and 7 m 75 cm.

12 m 131 cm = 12 m + 100 cm + 31 cm
= 12 m + 1 m + 31 cm
= 13 m 31 cm. [Since 100 cm = 1 m]

Class 4 Maths - Measurement - Question Answers


Question 4: Subtract 12 m 65 cm from 45 m 40 cm.

Here 40 cm < 65 cm.
So, regroup 45 m as 44 m + 100 em.
Thus 100 cm + 40 cm = 140 cm
Now 140 cm - 65 cm = 75 cm
Write 75 in the cm column.
Finally 44 m - 12 m = 32 m.
Write 32 in the m column.
Class 4 Maths - Measurement - Question Answers


Question 5: Subtract 8 kg 635 g from 15 kg 240 g

Here 240 g < 635 g. So regroup
15 kg as 14 kg + 1, 0 00 g.
Thus, 1,000 g + 240 g = 1,240 g.
Also, 1,240 g - 635 g = 605 g.
Finally, 14 kg - 8 kg = 6 kg.
 Class 4 Maths - Measurement - Question Answers


Question 6: Express as 1 and ml:
(a) 1,678 ml

1,678 ml = 1,000 ml + 678 ml = 1 l + 678 ml = 1 l 678 ml.

(b) 4,360 ml

4,360 ml = 4,000 ml + 360 ml
= 4 l + 360 ml
= 4 l 360 ml.

(c) 15,047 ml

15,047 ml = 15,000 ml + 47 ml
= 15 l + 47 ml (·.· 1000 ml = 1 l)
= 15 l 47 ml.


Question 7: A tank contained 90 l 750 ml of water. 40 l 630 ml more water was poured into it. Find the quantity of water in the tank.

Quantity of water in the tank = 90 l 750 ml
Quantity of water poured into it = 40 l 630 ml
Total quantity of water in the tank
= 90 l 750 ml + 40 l 630 ml
130 l 1380 ml = 130 l + 1,000 ml + 380 ml
= 130 l + 1 l + 380 ml
= 131 l 380 ml 

Hence, total quantity of water in the tank = 131 l 380 ml.
Class 4 Maths - Measurement - Question Answers


Question 8: Change to centimetres:
(a) 4 m

We know that 1 m = 100 cm.
So, 4 m = 4 x 100 cm = 400 cm.

(b) 7 dm

We know that 1 dm = 10 cm. 

So, 7 dm = 7 x 10 cm = 70 cm.

(c) 3m 4 dm

 Also, 3 m 4 dm = 3 x 100 cm + 4 x 10 cm

(d) 2 m 5 dm 6 cm

2 m 5 dm 6 cm = 2 x 100cm + 5 x 10 cm + 6 cm
= 200 cm + 50 cm + 6 cm = 256 cm

(e) 8 dm 3 cm

8 dm 3 cm = 8 x 10 cm + 3 cm
= 80 cm + 3 cm = 83 cm


Question 9: Express as cm and mm:
(a) 75 mm

We know that 10 mm = 1 cm

So 1 mm = 1/10 cm.

75 mm = 70 mm + 5 mm
= 70/10 cm + 5mm.

= 7 cm 5 mm

(b) 109 mm

109 mm = 100 mm + 9 mm
= 100/10 cm + 9 mm.

= 10 cm 9mm.


Question 10: Express as grams:

(a) 5 kg

We know that 1 kg = 1,000 g. So,
5 kg = 5 x 1,000 g = 5,000 g.

(b) 12 kg

12 kg = 12 X 1,000 g = 12,000 g.

(c) 8 kg 360 g

8 kg 360 g = 8 kg + 360 g = 8 x 1,000 g + 360 g
= 8,000 g + 360 g = 8,360 g.


Question 11: Mamta's bag weighed 3 kg 750 g and Sushma's bag weighed 2 kg 440 g. 

Weight of Mamta's bag = 3 kg 750 g
Weight of Sushma's bag = 2 kg 440 g
Weight of both the bags = 3 kg 750 g + 2 kg 440 g
Now, 5 kg 1,190 g = 5 kg + 1,000 g + 190 g
= 5 kg + 1 kg + 190 g = 6 kg 190 g
Hence, weight of both the bags = 6 kg 190 g.

Class 4 Maths - Measurement - Question Answers


Question 12: Subtract 18 l 465 ml from 50 l.

Here, 0 ml < 465 ml.
So, regroup 50 l as
49 l + 1,000 ml.
Also, 1,000 ml + 0 ml = 1,000 ml
So, 1,000 ml - 465 ml = 535 ml.
Finally, 49 l - 18 l = 31 l.
Class 4 Maths - Measurement - Question Answers


Question 13: Express as metres:

(a) 18 km

We know that 1 km = 1,000 m.
So,18 km = 18 x 1,000 m = 18,000 m

(b) 62 km 305 m

We know that 1 km = 1,000 m.
So, 62 km 305 m = 62 x 1,000 m + 305 m
= 62,000 m + 305 m = 62,305 m


Question 14: Add 8 km 506 m and 6 km 724 m

14 km 1230 m = 14 km + 1,000 m + 230 m
= 14 km + 1 km + 230 m
= 15 km 230 m. [Since 1,000 m = 1 km]

Class 4 Maths - Measurement - Question Answers


Question 15: Add 5 kg 735 g and 8 kg 406 g

13 kg 1141 g = 13 kg + 1,000 g + 141 g
= 13 kg + 1 kg + 141 g
= 14 kg 141 g.
Class 4 Maths - Measurement - Question Answers


Question 16: Add 12 l 240 ml and 15 l 926 ml 

We have : 12 l 240 ml + 15 l 926 ml = 27 l 1166 ml
27 l 1166 ml = 27 l + 1,000 ml + 166 ml
= 27 l + 1 l + 166 ml
= 28 l 166 ml. [Since 1,000 ml = 11]
Class 4 Maths - Measurement - Question Answers


Question 17: Subtract 7 km 850 m from 16 km 110 m.

Here 110 m < 850 m.
So, regroup 16 km as 15 km + 1000 m.
1,000 m + 110m = 1,110 m.
Now 1,110 m - 850 m = 260m
Write 260 in the metres column.
Finally 15 km- 7 km = 8 km.
Write 8 in the km column.
Class 4 Maths - Measurement - Question Answers


Question 18: A bucket contains 20 l 525 ml of water. Another bucket contains 9 l 850 ml of water. How much more water does the first bucket contain?

Quantity of water in the first bucket = 20 l 525 ml
Quantity of water in the second bucket = 9 l 850 ml
Difference of the capacities = Class 4 Maths - Measurement - Question Answers
Hence, the first bucket contains 10 l 675 ml of water more than the second.


Question 19: Express as kg and g.
(a) 1,080 g

1,080 g = 1,000 g + 80 g
= 1 kg + 80 g [Since 1,000 g = 1 kg]
= 1 kg 80 g.

(b) 2,304 g

2,304 g = 2,000 g + 304 g
= 2 kg+ 304 g [Since 1,000 g = 1 kg]
= 2 kg 304 g.

(c) 25,360 g

25,360 g = 25,000 g + 360 g
= 25 kg + 360 g [Since 1,000 g = 1 kg]
= 25 kg 360 g.


Question 20: Express as ml:
(a) 4 l

We know that 1 l = 1,000 ml
(a) 4 l = 4 x 1,000 ml = 4,000 ml.

(b) 18 l

18 l = 18 x 1,000 ml = 18,000 ml.

(c) 9 l 405 ml

9 l 405 ml = 9 l + 405 ml = 9 x 1,000 ml + 405 ml
= 9,000 ml + 405 ml = 9,405 ml.


Question 21: Express as km and m:
(a) 1,408 m

We know that 1,000 m = 1 km
So, 1 m = 1/1,000 km.
1,408 m = 1,000 m + 408 m
1,000/1,000 km + 408 m.
= 1 km 408 m

(b) 12,576 m

12,576 m = 12,000 m + 576 m 

12,000/1,000 km + 576 m = 12 km 576 m.


Question 22: A man bought 50 kg of rice for his family for a month. Out of this the quantity of rice that got spent was 32 kg 750 g. What quantity of rice was left?

Quantity of rice bought = 50 kg 0 g.
Quantity of rice consumed = 32 kg 750 g
Hence, quantity of rice left = 17 kg 250 g.
Class 4 Maths - Measurement - Question Answers

The document Class 4 Maths - Measurement - Question Answers is a part of the Class 4 Course Mathematics for Class 4.
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FAQs on Class 4 Maths - Measurement - Question Answers

1. What is measurement and why is it important?
Ans. Measurement is the process of quantifying or determining the size, amount, or degree of something using appropriate tools or units. It is important because it allows us to have a standardized and consistent way of comparing and evaluating objects, quantities, or events. Measurement is crucial in various fields such as science, engineering, construction, and manufacturing, as it provides accurate data for analysis, decision-making, and quality control.
2. What are the different types of measurement scales?
Ans. There are four main types of measurement scales: nominal, ordinal, interval, and ratio. - Nominal scale only categorizes or labels data without any quantitative value. Examples include gender, hair color, or types of cars. - Ordinal scale ranks or orders data without specifying the exact differences between them. For instance, ranking preferences or educational levels. - Interval scale measures data with equal intervals between values but without a true zero point. Temperature in Celsius or Fahrenheit is an example of an interval scale. - Ratio scale has equal intervals between values with a true zero point. Examples include height, weight, or time.
3. How do you convert between different units of measurement?
Ans. To convert between units of measurement, you need to know the conversion factors or formulas. Here are the general steps: 1. Identify the starting unit and the desired unit. 2. Find the conversion factor between the two units. 3. Multiply the value in the starting unit by the conversion factor to obtain the value in the desired unit. For example, to convert inches to centimeters, you can use the conversion factor 1 inch = 2.54 centimeters. If you have 10 inches, you can multiply it by 2.54 to get the equivalent value in centimeters, which is 25.4 centimeters.
4. What are the common tools used for measurement?
Ans. There are various tools used for measurement, depending on the type and precision required. Some common tools include: - Ruler or tape measure for linear measurements. - Vernier caliper or micrometer for more precise linear measurements. - Graduated cylinder or beaker for liquid volume measurements. - Balance or scale for weight or mass measurements. - Stopwatch or timer for measuring time intervals. - Thermometer for measuring temperature. - Protractor or angle gauge for measuring angles.
5. How can measurement errors be minimized?
Ans. Measurement errors can be minimized by following certain practices: 1. Calibrating and maintaining measurement instruments regularly to ensure accuracy. 2. Taking multiple measurements and averaging them to reduce random errors. 3. Using appropriate measuring techniques and ensuring proper alignment and positioning of instruments. 4. Minimizing environmental factors that can affect measurements, such as temperature or humidity. 5. Paying attention to the limitations and uncertainties associated with the measurement tools and techniques used. 6. Training and educating personnel on proper measurement practices to minimize human errors. 7. Using statistical methods to analyze and identify systematic errors, and applying appropriate corrections when possible.
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