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Chapter Analysis
Beginner14 pages • EnglishQuick Summary
The chapter 'Elephants, Tigers, and Leopards' educates students on estimating numbers and basic arithmetic operations using India's wildlife populations as context. Students explore significant facts about biodiversity, focusing on endangered animals like elephants and tigers. The chapter includes exercises that involve addition and subtraction to help understand the distribution of these animals across different Indian states, emphasizing on developing estimation and logical reasoning skills.
Key Topics
- •Estimation techniques
- •Addition and subtraction of numbers
- •Logical reasoning using arithmetic operations
- •Awareness of India’s biodiversity
- •Population distribution of endangered species
- •Understanding word problems in mathematics
Learning Objectives
- ✓Develop skills in estimating large numbers
- ✓Improve logical reasoning through mathematical operations
- ✓Understand real-life applications of arithmetic in biodiversity
- ✓Enhance problem-solving abilities with word problems
- ✓Foster a general awareness of wildlife conservation
- ✓Apply knowledge in contextual mathematical exercises
Questions in Chapter
The population of elephants in Karnataka is 6049 and in Kerala is 3054. How many total elephants are there in these two states? Estimate the answer.
Answer: There are 9103 elephants in Karnataka and Kerala.
Page 152
The highest number of leopards are found in three states. Gujarat has 1355, Karnataka has 1131, and Madhya Pradesh has 1817. How many total leopards are there in these states?
Answer: There are 4303 leopards in these three states.
Page 153
Maharashtra has 444 tigers. Madhya Pradesh has 341 more tigers than Maharashtra. Uttarakhand has 116 tigers more than Maharashtra. a) How many tigers does Madhya Pradesh have? b) How many tigers does Uttarakhand have? c) How many tigers does Madhya Pradesh and Uttarakhand have? d) How many tigers are there in total across the three states?
Page 154
Assam has 5719 elephants. It has 3965 more elephants than Meghalaya. How many elephants are there in Meghalaya?
Page 155
The population of leopards as per the 2022 census was 8820 in Central India and Eastern Ghats. It had increased by 749 in comparison to the number of leopards in 2018 in the same region. How many leopards were there in 2018?
Page 156
Additional Practice Questions
If Gujarat, Karnataka, and Madhya Pradesh together have a total of 4303 leopards, and the average number of leopards per state is needed, what would it be?
easyAnswer: The average number of leopards per state is 1434.33 or approximately 1434 leopards per state.
If the tiger population in Uttarakhand and Madhya Pradesh together is 901 tigers, and both have the same number of tigers, how many tigers are there in each state?
mediumAnswer: There are 450.5 tigers theoretically in each state; since actual numbers cannot be in decimals, adjustments need real population data.
Estimate the total number of wild cats (tigers and leopards) in the Indian states mentioned if leopards total 4303 and the known tiger populations add up to 1200.
mediumAnswer: The estimated total number of wild cats is 5503.
Using the fact that 3/4 of the world's tiger population resides in India, estimate the total global population of tigers if India's population is approximately 1500.
hardAnswer: The estimated global population of tigers is approximately 2000.
If Assam's elephant population is 5719, and Meghalaya has 3965 less elephants, determine the percentage decrease from Assam to Meghalaya.
hardAnswer: The percentage decrease from Assam's elephant population to Meghalaya’s is approximately 69.34%.