Nội dung text Class 3 Mathematics New Book (Math Mela) Chapter 1– Whats in a Name Book Solution.pdf
Class 3 Mathematics New Book (Math Mela) Book Solution © kvsecontent.com Chapter 1 – What’s in a Name? Q1. How do we know that we have not lost any cows? They did not know how to count. What could Deba and Deep do? Ans. To make a mark on the wall for each cow that leaves the gate and then strike out one mark as each cow re-enters the gate. This way, they would know if any cows were missing. Q2. Did all the cows come back home? Ans. Yes, all the cows came back home. Q3. Why were Deba and Deep worried? Ans. They were worried because they didn't see two cows outside. Q4. How many cows had reached home? Ans. 45 cows had reached home. Q5. Their friend Hemant had 36 cows and 23 sheep. Help Hemant keep track of his cows and sheep by making marks like Deba and Deep. Ans. Q6. Some animals and birds got together to play a game. They wanted to make 2 teams. They decided that the captain of the first team will be the one with the longest name, i.e., the one with the most letters. The captain of the second team will be the one with the shortest name, i.e., the one with the fewest letters. Find out the captains of the 2 teams. Ans. first team : Letter count : Second team : Letter count : So, they had 47 cows. 36 Cow 23 Sheep Elephant 8 Ox 2
Class 3 Mathematics New Book (Math Mela) Book Solution © kvsecontent.com Q7. Do you know any animal having a longer name than the first team’s captains? Ans. Yes, the hippopotamus has a longer name than 'elephant.' Q8. Who has a longer name? discuss. Ans. Both Mahesh and Kartik have the same number of letters. Mahesh has 6 letters, and Kartik also has 6 letters. So, their names are of equal length. Q9. Write down the names of some of your friends in the spaces given below and then answer the questions from a to f. a. Tick ✓ the longest name (s) and cross the shortest name (s) Ans. Muthuswami ✓ Hema & Jaya b. Write the starting letter of your name. Ans. Starting letter of my name is : R c. Count all the name (s) that have the same starting letter as yours. d. Which staring letter is the most used? Count the names that begin with it. e. Count the names with the same ending letter. (Note: This is only an example. You can change the names to those of your friends.) Rahul Hema Rekha Jaya Shushama Gaurav Narendra Muthuswami Rekha R letter- Rahul, Rekha Hema, Rekha, Jaya, Shushama, Narendra ✓
Class 3 Mathematics New Book (Math Mela) Book Solution © kvsecontent.com Q10. Teji and Jojo are making numbers using these cards. a. Write your roll number using number cards as shown above. • My roll number is ________ (do yourself) • Its number name has _____letters (do yourself) b. Write some numbers and their number names in your notebook. How many letters does each have? Ans. Number Number names Number of letters 10 Ten 3 25 Twenty-five 10 39 Thirty-nine 10 77 Seventy-seven 12 98 Ninety -eight 11 16 Sixteen 7 13 Thirteen 8 Q11. Teji and Jojo made the number 56 (fifty-six). It has 8 letters. Write other numbers between 1 and 99 that have 8 letters. Ans. 18 19 41 52 61 Eighteen Nineteen Forty-one Fifty-two Sixty-one
Class 3 Mathematics New Book (Math Mela) Book Solution © kvsecontent.com Q12. Write the number(s) between 1 and 99 that have the longest name. Ans. Seventy-seven (12 letters) Seventy-three (12 letters) Seventy-eight (12 letters) Q13. Make similar puzzles of your own in your notebook and ask your classmates. Ans. "Watermelon is the fruit with the longest name. It is known for its juicy and sweet flesh." "Fig in Asia and Plum in Europe are fruits with the shortest names." "Turquoise is the color with the longest name. It is a shade of blue-green." "Red in Asia and Tan in Africa are colors with the shortest names." "Helicopter is the vehicle with the longest name. It is known for its ability to hover in the air." "Car in America and Bus in Europe are vehicles with the shortest names." "Hippopotamus is the animal with the longest name. It is known for its large size and aquatic habitat." "Ant in India and Bat in Africa are animals with the shortest names." Q14. What is common in each of the groups Jojo has made? Ans. "Those things that fly" "Those things that don't fly" Ninety-eight Seventy