Q1. Count the Letters in Animal NamesCount the letters in the names of the following animals.
(i) How many letters are in the name “elephant”?
Ans. There are 8 letters in the name “elephant.”
(ii) Count the letters in the name “giraffe”.
Ans. “Giraffe” has 7 letters in its name.
(iii) What is the number of letters in “zebra”?
Ans. The name “zebra” contains 5 letters.
(iv) How many letters make up the name “kangaroo”?
Ans. “Kangaroo” consists of 8 letters.
(v) Count the letters in “penguin”.
Ans. The name “penguin” has 7 letters.
Q2. True or False? Write T for True or F for False.
1. “Ninety-seven” has 11 letters. ______
Ans: True
2. The number name for 62 is “Sixty-two.” ______
Ans: True
3. The animal “Penguin” has 8 letters. ______
Ans: False (It has 7 letters)
4. “Cat” has 4 letters. ______
Ans: False (It has 3 letters)
Q3. Write the Number NamesWrite the number names of the following numbers.
(i) Write the number name for “7”?
Ans. Seven
(ii) What is the number name for “21”?
Ans. Twenty-one
(iii) Write the number name for “36”?
Ans. Thirty-six
(iv) What is the number name for “48”?
Ans. Forty-eight
(v) Write the number name for “55”?
Ans. Fifty-five
(vi) What is the number name for “63”?
Ans. Sixty-three
(vii) Write the number name for “72”?
Ans. Seventy-two
(viii) What is the number name for “82”?
Ans. Eighty-two
(ix) Write the number name for “97”?
Ans. Ninety-seven
(x) What is the number name for “99”?
Ans. Ninety-nine
Q4. Write the Numbers from Number NamesTurn the following number names into numbers.
(i) Turn “fourteen” into a number.
Ans. 14
(ii) Convert “thirty-nine” into a number.
Ans. 39
(iii) Change “sixty-seven” into its numeric form.
Ans. 67
(vi) Turn “forty-five” into a number.
Ans. 45
(v) Convert “eighty-three” into its numeric equivalent.
Ans. 83
(vii) Turn “seventy-six” into its numeric form.
Ans. 76
(viii) Convert “ninety-eight” into a numeric value.
Ans. 98
(ix) Change “fifty-one” into a number.
Ans. 51
(x) Turn “thirty-three” into its numeric equivalent.
Ans. 33
Q5. Count Letters in Number NamesTell the number of letters in the following number names.
(i) How many letters are in the number name of “12”?
Ans. Twelve has 6 letters.
(ii) Count the letters in the number name of “24”.
Ans. Twenty-four has 10 letters.
(iii) What is the number of letters in the number name of “37”?
Ans. Thirty-seven has 12 letters.
(iv) Count the letters in the number name of “50”.
Ans. Fifty has 5 letters.
(v) How many letters are in the number name of “68”?
Ans. Sixty-eight has 10 letters.
Q6. Riddles and Puzzles
Identify each number using clues.
(I) I am just under 100, two less than 100.
My name has two words: the first has 6 letters, the second has 5.
What number am I?
Sol: “Two less than 100” means 100−2=98100−2=98.
Check the words:
- “ninety” has 6 letters
- “eight” has 5 letters
Answer: 98 (ninety eight)
(ii) I have a 7 in the tens place and a 0 in the ones place.
I am between 63 and 78.
What number am I?
Sol:
- A 7 in the tens place means at least 70, and a 0 in the ones place keeps it at exactly 70.
- Since 70 lies between 63 and 78, it fits the clue.
Ans: Seventy