Mathematics - Class II 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. Counting Beyond 100:  Counting on and Backward

Description: The web link highlights the information on natural numbers.

Core Concepts: Introduction on counting.

Description: The web link helps to understand skip counting. WE can also skip count backwards.

Core Concepts: Skip Counting.

2. Relating Ordinal Numbers to Calendar

Description: This web link highlights the introduction on ordinal numbers. The word “ordinal” comes from the Latin “ordo,” meaning “row or series,” which also gave us “order.” Ordinals can be used as nouns, pronouns or adjectives, and can be written either as words (“third”) or as numerals with suffixes approximating the sound of the word (1st, 2nd, 3rd, 4th, etc.).

Core Concepts: Introduction on ordinal numbers.

Description: This video link highlights how to read and write  ordinal numbers from 1st to 30th.

Core Concepts: Read and write ordinal numbers.

3. Estimating Numbers till 100

Description: The web  link shows a brief introduction on estimation and how the estimation is done.

Core Concepts: Introduction on Estimation.

Description: The link expresses the importance of estimation and number sense.

Core Concepts: Estimation skills.

Link: Article on  early development of Estimation Skills

4. Represent 3-Digit Whole Numbers: Using Base-Ten Blocks, Place Value Charts and Place Value Patterns

Description: The link is about the introduction of representation of 3-digit numbers.

Core Concepts: Numbers can be represented in various ways.

Description: The link highlights the importance of representation of whole numbers.

Core Concepts: Utility and Scope.

5. Comparing 3-Digit Whole Numbers

Description: The web link shows a brief introduction on comparing numbers.  Comparing numbers is an important part of building a student's number sense. Number sense is the ability for a student to recognize a number, its value and its relationship with other numbers.

Core Concepts: Introduction on comparing numbers.

Description: The video link explains how to compare large numbers using appropriate phrases and symbols.

Core Concepts: Comparing Numbers.

6. Money

Description: The link highlights the history of money.

Core Concepts: History of Money.

Description: A brief introduction on the currency of Bhutan. The Bhutanese Ngultrum (BTN): Definition, Economic Impact, and Key Considerations.

Core Concepts: Brief History of Currency of Bhutan.

Description: The web link explains the importance of money. There are activities and strategies for guiding children as they learn about earning, spending, and saving money.

Core Concepts: Developmental concepts regarding money.

Link: Article on Concepts Regarding Money

7. Simple Fractions:  Modelling Numerators and Denominators

Description: The web link explains halves, thirds and fourths.

Core Concepts: Fraction.

Link: Video on What are Fraction?

8. Properties of Addition: Commutative, Associative

Description: The web link highlights the properties of addition. Four major classifications of the properties of addition are Commutative Property, Associative Property, Distributive Property and Additive Identity.

Core Concepts: Introduction on properties of addition.

9. Addition Strategies: Sums till 100

Description: The web link  shows how to use double facts for addition.

Core Concepts: Doubles Facts to Add.

10. Subtraction Strategies: 1-Digit Numbers from 2-Digit Numbers & 2-Digit Numbers from 2-Digit Numbers

Description: The web link explains the subtraction. The word subtraction is derived from the two words, ‘sub’ and ‘tract,’ which mean under or below and to pull or carry away, respectively. Therefore, subtraction means to carry away the lower part..

Core Concepts: Introduction on Subtraction.

Description: The web link shows how to subtract using doubles.

Core Concepts: 1-9 Use Doubles to Subtract.

Description: The web link shows how  to use facts for 10 to subtract.

Core Concepts: Make a 10 to subtract.

Link: Video on Make a 10 to Subtract

11. II-A10 Subtraction Strategies: 1-Digit Numbers from 2-Digit Numbers & 2-Digit Numbers from 2-Digit Numbers

Description: The web link shows how to use place value to subtract from 2-digit numbers.

Core Concepts: Double-Digit Subtraction for Kids.

Link: Video on Double-Digit Subtraction for Kids

12. Addition and Subtraction Facts: Represent Addition and Subtraction Facts, Relation of Addition and Subtraction, Finding Patterns Using Addition Table, Open Sentences, Simple Patterns in Addition and Subtraction

Core Concepts: Relation between addition and subtraction.

Core Concepts: Introduction on  addition. An addition table is a tool that can be used to find the sum of two chosen numbers in the table. It can help with teaching or learning addition.

Core Concepts: Addition - Explanation & Examples.

Description: The web link explains the inverse relationship of addition and subtraction, and their  facts.  A number fact is made up of three numbers. These three numbers can be used to make up other number facts. Knowing one fact can help children with other facts.

Core Concepts: Addition and Subtraction Facts.

Core Concepts: Addition and subtraction fact families.

Description: The live-worksheet helps  to create addition and subtraction fact families using sets of three numbers.

Core Concepts: Two-Digit Fact Family.

13. Even and Odd Numbers

Description: The web link highlights what is even and odd numbers.

Core Concepts: Introduction on Even and Odd numbers.

Description: The given link highlights the importance of even and odd numbers, their properties & examples.

Core Concepts: Even and Odd numbers, properties, Examples.

Description: The video link helps to learn about even and odd numbers and the live worksheet helps to practice identifying even and odd numbers.

Core Concepts: Odd and Even Numbers.

14. Compare Number Patterns

Description: The web link is about the introduction of number patterns. A Number Pattern refers to a sequence of numbers that follow a certain order in mathematics. Patterns typically describe the inverse relationship between numbers. The sequences of numbers can also be called patterns. It is first necessary to understand the rule being followed by the pattern in order to solve the problems involving the Number Pattern.

Core Concepts: Introduction on Number Patterns.

Description: The web link helps the children to practice  more about growing patterns.

Core Concepts: Introduction on Growing Patterns.

Description: The link creates awareness on patterns. This worksheet helps the children to visualize and understand numbers patterns in a better way.

Core Concepts: Number Patterns.

Description: This video talks about the different types of patterns. Example: Number patterns, Growing patterns, Shrinking patterns, Repeating patterns.

Core Concepts: Types of Number patterns.

15. Open Sentences:  Simple Patterns in Addition and Subtraction

Description: The web link highlights the relationship between  addition and subtraction. Addition and subtraction are the inverse operations of each other. Put simply, this means that they are the opposite. You can undo an addition through subtraction, and you can undo a subtraction through addition

Core Concepts: Relationship between Addition and Subtraction.

Description: The link is about the importance of simple patterns in addition and subtraction.  This web link highlights the explanation on Addition with examples. It also contains a few questions to be solved by the children.

Core Concepts: Addition – Explanation & Examples.

16. Measuring Length Using Metre and Centimetre & Measuring Perimeter Using Centimetre

Description: The web link highlights the measurement of length in detail and introduction on measurement of length and converting between SI units and length..

Core Concepts: Introduction on Measurement of Length.

Description: The web  link is about the history of measurement. Ancient measurement of length was based on the human body, for example the length of a foot, the length of a stride, the span of a hand, and the breadth of a thumb. There were unbelievably many different measurement systems developed in early times, most of them only being used in a small locality.

Core Concepts: The history of Measurement.

Description: The video link shows how to use centimetre to measure short lengths.

Core Concepts: Units of Length-Centimetre.

Description: The video link tells where and how to use metre for measuring length.

Core Concepts: Units of Length–Metre.

Description: The video link tells where and how to use metre for measuring length.

Core Concepts: Measuring Length in Metres.

Link: Video on Measuring Length in Metres

17. Estimate and Measure Capacity Using Litre

Core Concepts: Introduction on Capacity  History of Measurement.

Link: Article on History on Measurement

18. Estimating and Measuring Mass using Kilogram

Description: The link highlights the history of measuring mass.

Core Concepts: Introduction: Measuring Mass.

Link: The History of Measuring Mass

19. Estimate and Measure Area Using Non-Standard Units

Description: The web link tells a brief introduction on the area.

Core Concepts:  Area: Definition & origin.

Link: Article on What is Area? Definition vs Origin

20. Spatial Sense: Perceptual Constancy and Visual Discrimination

Description: The web link highlights the perceptual constancy.

Core Concepts: Perceptual constancy.

Description: The web  link expresses the importance of visual skills.

Core Concepts: Visual Discrimination.

Link: Article on Utility and scope Series Visual skills

21. 3-D and 2-D Shapes

Description: The web link highlights a brief introduction on a Brief History of Geometry.

Core Concepts: A Brief History of Geometry.

Description: The Video link helps to explore more 2-D shapes & Polygons.

Core Concepts: 2D shapes & Polygons:

Description: The web link leads in identifying 3-D shapes through the online activity.

Core Concepts: Solid Shapes.

Core Concepts: Exploring 3D Shapes.

Description: The Video leads in identifying 2-D shapes through the online activity.

Core Concepts: Identifying 2-D Shapes or Flat Shapes.

Link: Video on Flat Shapes or 2-D Shapes

22. Parallel Lines

Description: The web link tells the definition, properties and the examples of parallel lines.

Core Concepts: Introduction on Parallel lines.

Description: The live worksheet helps identifying parallel lines.

Core Concepts: Parallel Lines.

Link: Parallel Lines - Live work sheet

23. Reflective Symmetry

Description: The web link highlights a brief introduction on reflective symmetry, recognizing reflection symmetry and examples of reflection symmetry.

Core Concepts: Introduction on Reflective Symmetry.

Description: The live worksheet helps to identify symmetrical images.

Core Concepts:Identifying Symmetry images.

24. Collect and Organize Data

Description: The web link highlights the history of data.

Core Concepts: Introduction on Data.

Link: Article on Data Collection Methods: Types & Examples

25. Pictographs: Interpret and Create Pictographs

Description: The web link highlights the introduction on pictograph.

Core Concepts: Introduction on Pictograph.

Description: The video link explains how information is presented using pictographs.

Core Concepts: Data Representation - Pictograph.

Link: Video on Pictograph  Data Representation

26. Bar Graphs: Interpret and Create Bar Graphs

Description: A brief introduction on graphs.

Core Concepts: Introduction on Bar Graphs.

Description: The video link helps to collect tally and create bar graphs.

Core Concepts: Data Collection and creating Bar Graphs.