Mathematics for Class 3 (Maths Mela) Short Answer Type Questions

Q1: If the total number of objects is 15 and 12 objects are visible, how many objects are hidden?
Ans: Number of hidden objects = 15 − 12 = 3.

Q2: Find the number of hidden objects in each case.

Total Objects	Visible Objects	Hidden Objects
17	10	__
20	9	__
27	12	__

Ans:

Total Objects	Visible Objects	Hidden Objects
17	10	7
20	9	11
27	12	15

Q3: Add the following numbers.

Addition	Answer
7 + 5	__
9 + 7	__

Ans:

Addition	Answer
7 + 5	12
9 + 7	16

Q4: Subtract the smaller number from the larger number.

Subtraction	Answer
7 − 5	__
18 − 9	__

Ans:

Subtraction	Answer
7 − 5	2
18 − 9	9

Q5: Fill in the table to make 100.

Number Sentence	Answer
60 + ___ = 100	__
___ + 25 = 100	__
___ + 85 = 100	__

Ans:

Number Sentence	Answer
60 + ___ = 100	40
___ + 25 = 100	75
___ + 85 = 100	15

Q6: How many jumps of 10 are needed to go from 22 to 52?
Ans: From 22 to 52 is a difference of 30. So, 3 jumps of 10 are needed.

Q7: Who has more stamps: A has 52 stamps, and B has 37 stamps. How many more does A have?
Ans: 52 − 37 = 15. 
A has 15 more stamps.

Q8: Start at 7 on a number line and jump forward by 10 two times. Write the numbers you land on.
Ans: The numbers are 17 and 27.

Q9: Decide without calculating exactly: Will 68 − 26 be more than or less than 50?
Ans: 68 − 26 = 42, which is less than 50. So, the answer is less than 50.

Q10: Estimate and say whether the answer is more than or less than 100: 85 + 67.
Ans: The answer is more than 100 because 80 + 60 = 140.

Q1: What is 100? Write two ways to show 100.
Ans: 100 means one hundred. For example It can be shown as 10 bundles of 10 sticks or as 100 loose objects.

Q2: How many tens are there in 100?
Ans: There are 10 tens in 100.

Q3: Write the next number for each.

Number	Next Number
39	__
63	__
99	__

Ans:

Number	Next Number
39	40
63	64
99	100

Q4: Write two different ways to make 100.
Ans:

Way	Number Sentence
1	60 + 40 = 100
2	70 + 30 = 100

Q5: Fill in the blanks to make 100.
Ans:

Number Sentence	Answer
45 + ___ = 100	55
___ + 25 = 100	75
___ + 85 = 100	15

Q6: Write the numbers from 101 to 105 in figures and words.
Ans:

Number	Number Name
101	One hundred one
102	One hundred two
103	One hundred three
104	One hundred four
105	One hundred five

Q7: Write the number made by 1 bundle of 100, 2 tens and 3 ones.
Ans: 1 hundred, 2 tens and 3 ones make the number 123.

Q8: Write one more and one less than each number.

Number	One Less	One More
___	159	___
___	128	___
___	186	___

Ans:

Number	One Less	One More
160	159	161
129	128	130
187	186	188

Q9: Arrange the numbers in increasing order: 158, 150, 163.
Ans: 150, 158, 163.

Q10: Mark the numbers 110, 135 and 180 on a number line.
Ans: The numbers 110, 135 and 180 are placed correctly between 100 and 200 on the number line according to their values.

Q1: Name any four 3D shapes.
Ans: Four 3D shapes are cube, cuboid, cone and cylinder.

Q2: Write the name of the shape of each object.
Ans:

Object	Shape
Dice	Cube
Matchbox	Cuboid
Water bottle	Cylinder
Ice-cream cone	Cone

Q3: Which 3D shape has no edges and no corners?
Ans: A sphere has no edges and no corners.

Q4: Which 3D shapes have only flat faces?
Ans: Cube and cuboid have only flat faces.

Q5: Which 3D shapes have curved faces?
Ans: Cone, cylinder and sphere have curved faces.

Q6: Count the faces, edges and corners of a cube.
Ans:

Part	Number
Faces	6
Edges	12
Corners	8

Note: Corners are also known as vertices.

Q7: A cone is placed on a cylinder, and the cylinder is placed on a cuboid. Write the position of each shape.
Ans: The cone is on top.
The cylinder is in the middle. 
The cuboid is at the bottom.

Q8: Name one 3D shape that is found the most in a classroom.
Ans: Cuboid is found the most because desks, books and cupboards are cuboid-shaped.

Q9: Look at a dice. What number is on the face opposite to 1?
Ans: The number opposite to 1 is 6 because the sum of opposite faces always equals 7 (1+6=7, 2+5=7, 3+4=7).

Q10: Join three cubes. Write the different shapes that can be made.
Ans: Three cubes can be joined to make a cuboid.

Q1: How does making marks help while counting objects?
Ans: Making marks helps us count each object one by one. It ensures that no object is missed or counted more than once.

Q2: Why do we group objects while learning mathematics?
Ans: We group objects to understand them better by their common features. Grouping also makes counting and learning easier.

Q3: How can counting letters help us decide which name is longer? Explain with one example.
Ans: By counting the letters in each name, we can compare them. For example, “Elephant” is longer than “Ox” because it has more letters.

Q4: Write the names of five classmates. Find the longest and the shortest name.
Ans:

Name	Number of Letters
Riya	4
Amit	4
Rahul	5
Sneha	5
Priyanka	8

Conclusion: Priyanka is the longest name. Riya and Amit are the shortest names.

Q5: Write the starting letters of your classmates’ names. Which starting letter is used the most?
Ans:

Starting Letter	Number of Names
R	3
A	2
S	1

Conclusion: The letter R is used the most.

Q6: Write the number name of 56. How many letters does it have?
Ans: The number name of 56 is fifty-six. It has eight letters.

Q7: Find a number between 1 and 99 whose number name has two words and is close to 100. Write its number name.
Ans: The number is 99. Its number name is ninety-nine.

Q8: From the numbers 63 to 78, which number has the shortest number name?
Ans: Sixty-six has the shortest number name among these numbers.

Q9: Write the number names of 45, 58 and 62. Arrange these numbers in order from the shortest number name to the longest number name.
Ans:

Number	Number Name	Number of Letters
45	forty-five	9
58	fifty-eight	10
62	sixty-two	8

Order: 62, 45, 58

Reason: The numbers are arranged by comparing the number of letters in their number names.

Q10: Make a table to show different hairstyles in your class. Which hairstyle is the most common?
Ans:

Hair Style	Number of Children
Single plait	6
Two ponytails	5
Short hair	7

Conclusion: Short hair is the most common hairstyle in the class.