Class 5

Math riddles for class 5

Riddle 1:

I have no beginning. I have no end. I am always present, and always will be. What am I?
… A xxxxx

Riddle 2:

I have keys that open no locks. I have space, but no room. You can enter, but can’t go inside. What am I?
… A xxxxx

Riddle 3:

I always come, but also always go. I am always present, yet always fleeting. What am I?
… xxxx

Riddle 4:

I have cities, but no houses; I have mountains, but no trees; I have water, but no fish; I have roads, but no cars. What am I?
… A xxx

Riddle 5:

I am often given, sometimes taken, but always counted. What am I?
… xxxxx

Riddle 6:

I have no voice, but I can tell you many stories. I have no eyes, but I can show you the world. What am I?
… A xxxx

Riddle 7:

I am always coming, but also always going. I am always present, yet always fleeting. What am I?
… xxxx

Riddle 8:

I have no beginning. I have no end. I am always present, and always will be. What am I?
… A xxxxx

Riddle 9:

I am often round, sometimes square. I can be big or small, heavy or light. What am I?
… A xxxxx

Riddle 10:

I am always running, but never walk. I am always present, but never still. What am I?
… A xxxxx

CLASS 5 SUMS

A bakery sold 345 cupcakes on Monday, twice that number on Tuesday, and 1/3 of Monday’s sales on Wednesday. How many cupcakes did they sell in total?
A train travels 675 km in 9 hours. How far will it travel in 12 hours at the same speed?
A rectangular garden is 24 meters long and 15 meters wide. If a fence costs $8 per meter, how much will it cost to fence the garden?
If 5 apples cost $3.75, how much will 12 apples cost?
A box contains 480 marbles. 3/8 of them are blue, 1/4 are red, and the rest are green. How many green marbles are there?
Add: 3 1/4 + 2 5/6.
Subtract: 7 1/3 – 4 2/5.
Multiply: 2 1/2 x 3 3/4.
Divide: 5 1/3 ÷ 2 2/3.
Convert 0.625 to a fraction in its simplest form.
Add: 12.35 + 8.7 + 0.98.
Subtract: 25.6 – 13.84.
Multiply: 3.45 x 2.6.
Divide: 18.72 ÷ 3.6.
Find the area of a triangle with a base of 12 cm and a height of 8 cm.
Find the perimeter of a regular hexagon with each side measuring 7.5 cm.
A rectangular box has a length of 10 cm, a width of 6 cm, and a height of 4 cm. What is its volume?
Convert 3.5 kilometres to meters.
Convert 5400 seconds to hours and minutes.
A square has an area of 81 square cm. What is the length of one side?

Class 5 math syllabus

Key Areas of Focus:

Number System:
- Large numbers (beyond 1000) and place value.
- Factors and multiples.
- Prime factorization.
- Estimation and rounding off numbers.
Arithmetic Operations:
- Addition, subtraction, multiplication, and division of large numbers.
- Word problems involving these operations.
- Understanding and applying the order of operations (BODMAS/PEMDAS).
Fractions and Decimals:
- Equivalent fractions.
- Addition and subtraction of fractions.
- Introduction to decimal numbers.
- Conversion of fractions to decimals and vice versa.
Measurement:
- Units of length, weight, and volume.
- Conversion between units.
- Area and perimeter of simple shapes.
- Understanding time and calculating time intervals.
Geometry:
- Basic geometric shapes (lines, angles, triangles, quadrilaterals, circles).
- Understanding angles (acute, obtuse, right).
- Symmetry and patterns.
- Spatial understanding.
Data Handling:
- Collecting and organizing data.
- Representing data using pictographs and bar graphs.
Patterns:
- Identifying and creating number and shape patterns.
Money:
- Problems related to money and basic financial calculations.

For latest syllabi: Please visit the school, official websites of the CBSE, ICSE, and your respective state board.