NCERT Solutions for Class 4 Maths Chapter 8 – Weigh it, Pour it

Chapter Overview of Class 4 Maths Chapter 8

This chapter talks about the two main ways we measure things in our daily lives: weight for solids and volume for liquids. We usually use a scale to weigh solid things and pour liquids into containers with markings on them to measure them. Learning how to weigh things in class 4 maths helps kids use standard units to understand standard measurements like a bag of rice or a bottle of water.

How to Convert Units of Measurement in Class 4 Maths?

To do well on the Chapter 8 questions, you need to know how to use standard units and how to change them. Before you add or subtract amounts, make sure you are always using the same units.

The table below summarises how we categorise and convert these measurements:

Tips for Students:

• Remember: The prefix “Kilo” always represents 1000 units.

• Calculation Hack: Always convert to the same unit first, then calculate for much easier problem-solving.

Weight It Pour It Class 4 Maths Question Answer

This section gives step-by-step solutions to the textbook exercises. These class 4 chapter 8 maths question answer sets help students understand and apply the concepts of weight and volume in practical situations, making it easier to solve problems and prepare for exams.

Enroll Now for Kids Online Classes

Measuring Weight (kg and g)

• Name five items sold by weight in a grocery shop.
  Ans: Common items include rice, sugar, pulses, spices, and tea leaves.

• If 1 kg of apples costs ₹100, what is the cost of 500 g?
  Ans: Since 500 g is exactly ½ kg, the price is ₹100 ÷ 2 = ₹50.

• A bag of sugar weighs 2 kg. Convert it into grams.
  Ans: 2 × 1000 = 2000 g.

• If a fruit weighs 250 g and another 750 g, what is their total weight?
  Ans: 250 + 750 = 1000 g, which is exactly 1 kg.

Measuring Capacity (litres and millilitres)

• List three things measured by pouring.
  Ans: Common liquids are milk, cooking oil, and petrol.

• A bottle holds 1 litre of water. How many 250 ml glasses can be filled?
  Ans: 1 litre = 1000 ml. Therefore, 1000 ÷ 250 = 4 glasses.

• Convert 3 litres into millilitres.
  Ans: 3 × 1000 = 3000 ml.

• A juice bottle has 1.5 litres. How many 300 ml servings are possible?
  Ans: 1.5 litres = 1500 ml. Thus, 1500 ÷ 300 = 5 servings.

Read More - NCERT Solutions for Class 4 English Mridang Chapter 4 – One Thing at a Time

Practical Weight and Volume Exercises

Estimating and Ranking Weight
Arrange Dog, Elephant, Ant, Squirrel, Giraffe from lightest to heaviest.
Ans: Ant, Squirrel, Dog, Giraffe, Elephant.

Name the heaviest thing in your house and explain why.
Ans: Refrigerator or large Almirah, because it cannot be lifted by one person.

Make a list of five things you can lift easily and five things too heavy to lift.
Ans: Can lift: Pencil box, water bottle, football, spoon, small notebook; Cannot lift: Bed, dining table, car, large sack of rice, sofa.

Pan Balance Logic
If you put a 500 g weight on the left pan and two 250 g weights on the right pan, which way will the balance tilt?
Ans: The balance remains level because both sides weigh 500 g.

How many 100 g weights are needed to balance a 1 kg weight?
Ans: 1000 ÷ 100 = 10 weights.

A shopkeeper needs to weigh 750 g of sugar using 500 g, 200 g, and 50 g weights. Which weights should he use?
Ans: Use 500 g + 200 g + 50 g = 750 g.

Real-Life Liquid Usage
About how much of these liquids do we usually use?
Ans: Eye drops <1 ml, Cough syrup ≈5 ml, Tea ≈200 ml, Bath water ≈30–50 litres.

A 1-litre water bottle, drank 250 ml + 150 ml, how much water is left?
Ans: 1000 – 400 = 600 ml left.

A tea shop uses 100 ml milk per cup. How much milk for 10 cups?
Ans: 100 × 10 = 1000 ml = 1 litre.

Packing and Equivalent Units
1 kg of sweets packed in 500 g, 250 g, 100 g boxes. How many boxes are needed?
Ans: 500 g → 2, 250 g → 4, 100 g → 10 boxes.

How many 200 ml cans to fill a 2-litre vessel?
Ans: 2000 ÷ 200 = 10 cans.

A bucket can be filled by 15 jugs of 500 ml each. What is the total capacity?
Ans: 15 × 500 = 7500 ml = 7 litres 500 ml.

Read More - NCERT Solutions for Class 4 Maths Chapter 4 Thousands Around Us

Extra Practice Questions for Class 4 Maths NCERT Solutions

Testing your knowledge with these extra sums will help you learn the class 4 chapter 8 maths NCERT solutions.

• Convert 7 kg into grams. Answer: 7 × 1000 = 7000 g.

• Convert 3500 ml into litres. Answer: 3500 ÷ 1000 = 3.5 litres.

• A milk container holds 3 litres. How many 500 ml cups can you fill? Answer: 3 litres = 3000 ml. 3000 ÷ 500 = 6 cups.

• A sugar bag weighs 1.75 kg. Convert into grams. Answer: 1.75 × 1000 = 1750 g.

• A water tank contains 4.2 litres. How many 700 ml bottles can it fill? Answer: 4.2 litres = 4200 ml. 4200 ÷ 700 = 6 bottles.

• A fruit weighs 450 g, another weighs 650 g. Total weight? Answer: 450 + 650 = 1100 g, or 1.1 kg.

Make After-School Learning Simple and Fun with CuriousJr

Searching for online tuition classes that keep your child engaged and improve their understanding? CuriousJr School Online Classes make learning easy through live interactive sessions, real-life examples, and enjoyable activities that build curiosity.

Students get guidance from two dedicated mentors, ensuring individual attention and better learning outcomes. Activity-based and visual teaching methods help children grasp concepts quickly and effectively. The curriculum follows CBSE, ICSE, and State Boards, supported by regular quizzes, practice worksheets, and performance tracking.

CuriousJr offers complete support in Maths, Science, English, and Social Studies in a friendly and engaging environment. Book a demo class today and help your child learn with confidence.