CBSE Class 3 Mathematics Smart Charts Worksheet Set 01

Competency: Formation of Numbers

Question 1(a). Read and write the number for the given tally marks:
Answer: 3
In simple words: Count the vertical lines shown in the tally mark. There are 3 lines, so the number is 3.

Exam Tip: Each vertical line represents 1 count. Simply count the total number of lines.

Question 1(b). Read and write the number for the given tally marks:
Answer: 9
In simple words: A group of 5 tally marks has 4 vertical lines and 1 diagonal line across them. Here we have one complete group of 5 and 4 additional lines, making 9 in total.

Exam Tip: A crossed bundle of 5 lines equals 5. Add any remaining single lines to 5 to find the total.

Question 1(c). Read and write the number for the given tally marks:
Answer: 5
In simple words: Four vertical lines crossed by a diagonal line represent a standard group of 5 tally marks.

Exam Tip: Recognize the standard grouped block of 5 instantly without counting individual lines every time.

Question 1(d). Read and write the number for the given tally marks:
Answer: 7
In simple words: One group of 5 plus 2 extra vertical lines equals 7.

Exam Tip: Count the crossed bundle as 5 and add the remaining lines: \(5 + 2 = 7\).

Question 1(e). Read and write the number for the given tally marks:
Answer: 7
In simple words: One crossed group of 5 combined with 2 single lines gives 7.

Exam Tip: Always group counts in blocks of 5 to make counting large numbers easier.

Question 1(f). Read and write the number for the given tally marks:
Answer: 15
In simple words: There are three groups of 5 tally marks each. Counting in fives gives \(5, 10, 15\).

Exam Tip: Count groups of 5 in steps of 5 (\(5, 10, 15, 20\dots\)) for quick calculation.

Question 2(a). Draw tally marks for the following numbers: 7
Answer:
In simple words: To show 7, draw one bundle of 5 lines (4 vertical with 1 diagonal cross line) and 2 standalone vertical lines.

Exam Tip: Split the number into groups of 5 and remaining ones: \(7 = 5 + 2\).

Question 2(b). Draw tally marks for the following numbers: 9
Answer:
In simple words: To show 9, draw one bundle of 5 lines and 4 standalone vertical lines.

Exam Tip: Split into \(9 = 5 + 4\). Draw 1 crossed group and 4 single lines.

Question 2(c). Draw tally marks for the following numbers: 13
Answer:
In simple words: To show 13, draw two full bundles of 5 lines and 3 extra single vertical lines (\(5 + 5 + 3 = 13\)).

Exam Tip: Divide 13 by 5 to get 2 groups of 5 with a remainder of 3.

Question 2(d). Draw tally marks for the following numbers: 21
Answer:
In simple words: To show 21, draw four full bundles of 5 lines and 1 single vertical line (\(5 + 5 + 5 + 5 + 1 = 21\)).

Exam Tip: 21 consists of 4 groups of 5 with 1 extra line remaining.

Question 2(e). Draw tally marks for the following numbers: 19
Answer:
In simple words: To show 19, draw three full bundles of 5 lines and 4 single vertical lines (\(5 + 5 + 5 + 4 = 19\)).

Exam Tip: 19 is just 1 less than 20, so draw 3 groups of 5 and 4 standalone lines.

Question 2(f). Draw tally marks for the following numbers: 25
Answer:
In simple words: To show 25, draw exactly five full bundles of 5 lines (\(5 \times 5 = 25\)).

Exam Tip: Since 25 is a multiple of 5, it consists entirely of complete groups with no leftover single lines.

1. Read the table given below about the hobbies of students of class III Represent the data pictorially using smilies (☺ = 1 student)

(a) Which is the most popular hobby?
_____________________________

(b) Which is the least popular hobby?
_______________________________

(c) How many more children like craft than music?
_____________________________________

(d) How many students like gardening?
___________________________________

(e) what is the difference between the number of students who prefer reading and those who prefer music?
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