Mathematics - Class III Resources

The following list of online resources are provided as a sample of curated resources. New resources shall be added as we come across interesting and relevant online materials.

1. Numbers to 4-Digits Money Place Value Pattern Base-Ten System to Thousands

Description: The link highlights the introduction on numbers to 4-digits, money, place value patterns and base-ten system to thousands.

Core Concepts: Using base- ten blocks  to compare the place value.

Link: Video on Representation 4-digit numbers with base-ten blocks.

Description: Talks about the history of Base-Ten Blocks.

Core Concepts: Base-ten Blocks.

Link: Article on The History of Base-Ten Blocks

Description: The link highlights the introduction on numbers to 4-digits, money, place value patterns and base-ten system to thousands.

Core Concepts: Recognise representation for 4-digit numbers with Base-Ten blocks.

Link:  Video on Representation 4-digit numbers with base-ten blocks.

Description: The live worksheet helps to practice representing 4-digit numbers in different ways.

Core Concepts: Able to complete the worksheet on time.

Link: Live Worksheet on Place Value

Description: To recognise the place value in 4-digit numbers.  Comparing and ordering 4-digit numbers using base- ten blocks.

Core Concepts: This video link is to show how to compare and order 4 digit numbers using base ten blocks.

Links: 

2. Fractions till Tenths

Description: History of fractions.

Core Concepts: A fraction  represents a part of a whole.

Link: Article on the history of fraction

Description: Understanding on fractions how the fractions can expressed symbolically (numerator and denominator).

Core Concepts: Fractions are expressed symbolically.

Link: Video on Fractions to expressed symbolically

Description: The live worksheet highlights to relate fractions names to fraction symbols and to differentiate numerators from denominators.

Core Concepts: Able to complete a worksheet.

Link:  Live worksheet on fractions.

3. Decimal Tenths  

Description: The link highlights the introduction on Decimals.A decimal is a fraction written in a special form.

Core Concepts: Forms of decimals.

Link: Reading materials on Definitions of decimal

Description: The video link shows how tenths are represented as fractions and decimal tenths.

Core Concepts: How to model decimals using base ten blocks.

Link: Video on Decimal model

Description: The live worksheet helps to relate pictorial representation of tenths to tenth fractions and decimal tenths.

Core Concepts: Complete work on fraction and decimal tenths.

Link: Live Worksheet on fraction to decimal

4. Add 3-Digit Whole Numbers

Description: The link explains on Addition with an example.

Core Concepts: Explanation and example in addition.

Link: Addition Explained

Description: The link contains the video on how to add three-digit numbers by regrouping.

Core Concepts: How to add 3 digit whole numbers using place value chart and base ten blocks.

Link: Video on 3 digit addition using place value and base ten blocks with regrouping.

Description: The live worksheet helps to practice addition of 3-digit numbers without regrouping.

Core Concepts: Able to apply what they have learned during the lesson using place value charts  without regrouping.

Link: Live worksheet on 3-digit numbers addition without regrouping using place value chart.

5. Subtract 3-Digit Whole Numbers

Description: The link highlights the introduction on Subtraction with examples.

Core Concepts: Concept of subtraction using counters.

Link: Video on subtraction using counters.

Description: The video link shows how to subtract using base-ten blocks and place value charts without regrouping.

Core Concepts: Able to solve simple word problems on subtraction of 3-digit whole numbers without regrouping.

Link: Video on subtracting 3-digit whole numbers without regrouping.

Description: The video link shows how to subtract using base-ten blocks and place value charts with regrouping.

Core Concepts: How to subtract  3 digit whole numbers using a place value chart and base ten blocks.

Link: Video on subtraction using place value chart and base ten blocks.

Description: The live worksheet helps to practice subtracting 3-digit numbers with regrouping.

Core Concepts: Worksheet on 3-digit subtraction with regrouping.

Link: Live worksheet on subtraction

6. Add and Subtract 3-digit Numbers Mentally

Description: The link explains that mental math is a group of skills that allow people to do math “in their head” without using pencil and paper or a calculator.

Core Concepts: Mental math is useful in school and in everyday life.

Link: Reading materials on mental math

Description: The link explains  the importance of mental math. Mental math helps us function in our daily lives in situations such as: Shopping, Cooking, Calculating and Building something.

Core Concepts: Benefits of mental math in our daily life.

Link: Reading materials on mental maths

Description: The link highlights the relationship between Addition and Subtraction.  Addition and subtraction are the inverse operations of each other.

Core Concepts: The relationship between addition and subtraction fact.

Links: 

Description: The video enhances the conceptual understanding of Place value and left to right addition with 2 digit numbers.

Core Concepts: Left to Right Addition with 2 digit numbers.

Link: Video on addition from left to right orientation.

Description: The video enhances with an alternate way to subtract (left to right) with 2 digit numbers.

Core Concepts: Left to Right Subtraction with 2 digit numbers.

Link: Video on subtraction from left to right orientation 

7. Multiplication – Meaning, Multiplication Properties, Multiplication as Repeated Addition, Multiplication Table Patter

Description: The link highlights the introduction on Multiplication.

Core Concepts: Introduction on Multiplication.

Link: Reading materials on Multiplication

Description: The link encourages one to think mathematically about Multiplication.

Core Concepts: Meaning on multiplication.

Link: Reading materials on multiplication meaning

Description: The link explains the use and Importance of Multiplication in everyday life.

Core Concepts: Concept on multiplication.

Link: Use and importance of multiplication table in our daily life.

Description: The video link contains the various multiplication strategies like equal groups, repeated addition, number line and array.

Core Concepts: Multiplication Strategies: Equal Groups, Repeated Addition, Number Line, and Array.

Link: Video on multiplication strategies

Description: The online worksheet helps to practice writing multiplication facts correctly.

Core Concepts: Multiplication sentence and array.

Link: Live worksheet on multiplication

Description: The online worksheet helps to practice writing multiplication facts correctly.

Core Concepts: Multiplication facts.

Link: Live worksheet on multiplication facts

8. Multiplying 2-Digit by 1-Digit Numbers

Description: A brief introduction on Multiplication.

Core Concepts: Concept on Multiplication.

Link: PDF reading materials on multiplication

Description: The link explains the Importance of Multiplication of 2-digit numbers.

Core Concepts: Explanation on Utility and scope on Algorithms.

Link: Reading materials

Description: The link highlights the importance of  Algorithms.

Core Concepts: Algorithms.

Link: PDF on reading materials

Description: The link contains the video on how to multiply a 2-digit number by a single digit number, using an algorithm without regrouping.

Core Concepts: Multiplying  without regrouping.

Link:  Video on Multiplying 2-digit by 1-digit numbers.

Description: The link contains the video on how to multiply a 2-digit number by a single digit number, using an algorithm with regrouping.

Core Concepts: Multiplying with regrouping using base ten blocks.

Link: Video on multiplying with regrouping.

9.Division Meaning

Description: The link highlights the meaning of Division.

Core Concepts: Concept on Division.

Link: Reading materials on division

Description: The link contains the video on division as equal sharing.

Core Concepts: Division by sharing using counters.

Link: Video on Division as equal sharing

Description: The link contains the video on division as equal grouping.

Core Concepts: Division by grouping using counters.

Link: Video on Division as equal grouping

Description: The link contains the video on division as repeated subtraction.

Core Concepts: Division as repeated subtraction.

Link: Video on Division as repeated subtraction

Description: The video link helps to learn division through story.

Core Concepts: Story word problems help students to get a clear concept on division.

Link: Learning Division through Stories

10. Multiplication and Division Open Sentences

Description: The link focuses on  practical approaches to developing mental maths strategies for Multiplication and Division.

Core Concepts: Concept on Multiplication and Division.

Link: pdf on Reading materials on multiplication and division 

Description: A brief introduction on multiplication and division.

Core Concepts: Variables in Open Sentence.

Link: pdf on Reading materials on Open Sentences

Description: The link explains the importance of learning multiplication and division from a young age.

Core Concepts: The importance of learning basic multiplication and division from a young age.

Link: Learning basic multiplication and division

Description: The video link is about multiplication and division of fact families.

Core Concepts: Multiplication and division fact families.

Link: Video on multiplication and division fact families

Description: The live worksheet helps to practice finding the missing factor.

Core Concepts: Fact-families on Multiplication and Division.

Link: Live worksheet on fact families

11. Multiplication as Repeated Addition

Description: A brief introduction on multiplication as repeated addition.

Core Concepts: Multiplication as Repeated Addition.

Link: Reading materials on Multiplication

12. Multiplication  Table  Pattern

Description: A brief introduction on multiplication table pattern.

Core Concepts: Multiplication Table.

Link: PDF on multiplication table pattern.

13. Open Sentences

Description: The link contains the practical approaches to developing mental maths strategies for multiplication and division.

Core Concepts: Information on open sentences.

Link: PDF on reading materials.  

14. Angles

Description: The link highlights the introduction on Angle.

Core Concepts: Angles in geometry.

Link: Articles on Angles

Description: The link explains the types and definition of angles.

Core Concepts: Names of different angles.

Link: Video on types of Angles and its formation

15. Length: Relationship among Different Units

Description: The link highlights the introduction on Length.

Core Concepts: Measuring using different units.

Link: Reading materials on length

Description: The video link shows how to calculate area and perimeter using non-standard units.

Core Concepts: Area and perimeter.

Link: Video on area and perimeter

Description: The link contains video to get a clear concept of the units of measurement.

Core Concepts: Distance.

Link: Video on units of measurement

Description: The live worksheet helps to practice the use of the  four units of measurements.

Core Concepts: Distance.

Link: Live worksheet on length

16. Capacity: Measuring Capacity in Litre and Measuring Capacity in Millilitre

Description: The video link helps to understand the millilitre.

Core Concepts: Measuring capacity using litre and millilitre units.

Link: Unit for capacity

Description: The online link helps to practice conversion of units using the live worksheet.

Core Concepts: How to convert from one unit to another unit.

Link: Worksheet to be printed for the activity

Description: The live worksheet helps to practice the use of the  units of measurements.

Core Concepts: Capacity.

Link: Live worksheet on capacity

17. Mass: Measuring Mass in Kilogram and Measuring Mass in Gram

Description: This video contains demonstration of measuring area using square centimeter.

Core Concepts: Mass.

Link: Video and reading materials on Mass

Description: This video contains demonstration of measuring area using square centimeter.

Core Concepts: History on Mass.

Link: A brief history on Mass and Weight

Description: This video contains demonstration of measuring area using square centimeter.

Core Concepts: Mass.

Links: 

Description: The online worksheet helps to perform the tasks related to conversion of units.

Core Concepts: Converting units.

Links: 

Description: The video link highlights grams and kilograms.

Core Concepts: Grams and kilograms.

Link: Video on gram and kilogram measuring.

Description: The live worksheet shows how to convert kg to g and vice-versa and to combine kg and g.

Core Concepts: Converting unit of mass.

Links: 

18. Area

Description: A brief history on Area.

Core Concepts: Concept on Area.

Link: PDF History on Area

Description: The video link shows how to measure area using non-standard units.

Core Concepts: Measuring area using non-standard units.

Link: Video on measuring area using non-standard units

Description: This video contains demonstration of reading time on analog and digitals clocks and converting hours to minutes.

Core Concepts: Counting Areas using unit squares.

Link: Worksheet to be printed for the activity

19. Measuring Time: Reading Time on Analog and Digital clocks & Relation among Different Units of Time

Description: A brief history of telling time.

Core Concepts: Time (Clock).

Link: History of telling time 

Description: This video link shows reading time in different ways and converting hours to minutes.

Core Concepts: Reading Time in two different ways.

Link: Video on reading time in two different ways.

20. Polygons Squares & Rectangles Parallelograms

Description: A brief history on Polygons. A polygon is a closed two-dimensional figure made up of straight line segments.

Core Concepts: Polygons.

Link: History on Polygons

Description: The link highlights the features of polygons.

Core Concepts: Elements of polygons.

Link:  Video on polygons

Description: Play a game to identify different polygons by using the given link.

Core Concepts: Identifying polygons from the given shapes.

Link: Live worksheet on polygons 

Description: The link highlights regular and irregular polygons.

Core Concepts: Difference between regular and irregular polygons.

Link: Video on regular and irregular polygons 

Description: The link contains video on properties of quadrilaterals.

Core Concepts: Properties of quadrilaterals.

Link: Properties of Quadrilaterals

Description: The link helps to identify and answer the questions on polygons.

Core Concepts: Identifying parallelograms.

Link: Worksheet to be printed for activity

21. Prisms & Pyramids

Description: A brief introduction on Prisms and pyramids.

Core Concepts: Cones, pyramids, and spheres.

Links: 

Description: The video link is about prisms and pyramids.  How to differentiate between prisms and pyramids.

Core Concepts: 3-D shapes.

Links: 

22. Combining two or more Shapes Similar and Congruent Shapes

Description: The video link shows how shapes are combined to form other shapes.

Core Concepts: Combining Shapes.

Link: Video on combining two or more shapes

Description: The video link highlights the difference between similar and congruent figures.

Core Concepts: Similar and congruent figures.

Link: Video on Difference between similar and congruent figures

23. Turns, Slides and Flip of 2-D Shapes

Description: A brief introduction on Transformation.

Core Concepts: Introduction on Transformation.

Link: Reading Articles on Transformation

Description: The video link is about flips, turns and slides.  Let students do a similar activity after watching the video.

Core Concepts: Details on flips, turns and slide.

Link: Video lesson on Turns, Slides and Flip

Description: The worksheet checks the understanding of transformation.

Core Concepts: Transformation.

Link: Worksheet to be printed for the activity

24. Data Collection 

Description: This document gives required information on data collection and management.  When we collect and analyze data, we're integrating several mathematical skills to answer questions and solve real-world problems.

Core Concepts: History on Data Collection.

Link: Data Collection explained

Description: The video link helps in collecting and organising data.  Data is the collection of numbers gathered to give information.

Core Concepts: Collecting and organising data.

Link: Video on collection on Data

25. Pictograph and Bar Graph

Description: A brief history of graph theory and some more details. A graph can be defined as a pictorial representation or a diagram that represents data or values in an organized manner.

Core Concepts: History of Graph.

Links: 

Description: The video link shows how to create and interpret pictographs. It is a way to represent data using images and an image in the pictograph represents a certain number of things.

Core Concepts: How to create pictographs.

Link: Pictograph and its interpretations

Description: The video link shows how to construct a bar graph with its label on the lines.

Core Concepts: Bar Graph.

Link: Video on bar graph

26. Probability Language Conducting Probability Experiments  

Description: The link highlights probability and its importance.

Core Concepts: Probability.

Link: Reading materials on probability

Description: The video highlights the learning of probability.

Core Concepts: Probability .

Links: 

Description: The online game to have further practice with probability.

Core Concepts: Probability Game.

Link: Game on probability

Description: This link further explains on some simple experimental probability concepts.

Core Concepts: Experiments on Probability.

Link: Probability Concept for Kids

27. Pictograph | Maths for Kids | Grade 4 | Periwinkle

Description: This video shows how to create and interpret a pictograph.

Core Concepts: III-E2 pictograph.

Link: Video on pictograph

28. Graphs - Bar Graphs | Math | Grade-4,5 | Tutway |

Description: This video demonstrates how to create bar graphs both vertically and horizontally and also to interpret bar graphs.

Core Concepts: III-E3 bar graph.

Link: Video on bar graphs

Loading