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Chapter Analysis
Beginner22 pages • EnglishQuick Summary
The chapter 'Thousands Around Us' for Class 4 Mathematics is focused on teaching students about large numbers, specifically beyond 1000. It involves understanding place value systems, counting using Dienes blocks, and exercises on grouping numbers in tens, hundreds, and thousands. The chapter includes practical tasks like using tokens to form numbers and engaging activities to help students visualize and comprehend large numerical values.
Key Topics
- •Place value system beyond 1000
- •Using Dienes blocks for visualization
- •Grouping and Regrouping numbers
- •Tokens and number representations
- •Exercises on large numbers
- •Comparison and sequencing of numbers
- •Understanding Indian number system
Learning Objectives
- ✓Understand the place value system for numbers beyond 1000.
- ✓Use Dienes blocks to represent large numbers and their breakdown.
- ✓Practice grouping numbers in tens, hundreds, and thousands.
- ✓Visually compare and sequence numbers beyond 1000.
- ✓Gain familiarity with the Indian number system.
Questions in Chapter
Fill in the blanks using the given numbers and operations.
Page 50
Identify and write the numbers for the following exercises in your notebook.
Page 51
Use the tokens to make and compare numbers.
Page 60
Mark given numbers on the number line.
Page 55
Additional Practice Questions
What is the expanded form of 3452 using Dienes Blocks?
easyAnswer: The expanded form of 3452 is 3000 + 400 + 50 + 2, written in words as three thousand four hundred fifty-two.
How can you form a 4-digit number using the digits 2, 3, 4, and 7 without repetition?
mediumAnswer: One example is 2473. Arrange the digits to form other combinations like 2734, 3274, etc.
If one person can be served in one minute, how long will it take to serve 1000 people?
hardAnswer: It would take 1000 minutes, which can be converted to approximately 16 hours and 40 minutes.
Compare the numbers 3102 and 3120 using place value.
mediumAnswer: 3102 has 1 hundreds while 3120 has 2 hundreds, making 3120 greater.
Write the sequence of numbers starting from 990 up to 1010.
easyAnswer: 990, 991, 992, 993, 994, 995, 996, 997, 998, 999, 1000, 1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010.