# 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. Let's Learn Fractions

Description: This video contains explanation on fraction (numerator and denominator).

Core Concepts: III-A2 simple fractions.

#### 2. Decimal Models

Description: This video contains explanation on concept of decimal tenths.

Core Concepts: III-A3 decimal tenths.

Description: This video shows how to add 3-digit numbers with regrouping.

Core Concepts: III-A5 add 3-digit whole numbers and III-A7 add and subtract 3-digit numbers mentally.

#### 4. Subtraction with Regrouping 3 Digit

Description: This video shows how to subtract 3-digit numbers with by regrouping.

Core Concepts: III-A6 subtract 3-digit whole numbers and III-A7 add and subtract 3-digit numbers mentally.

#### 5. Learning to Multiply using Multiplication Strategies

Description: This video contains explanation on four multiplication strategies (array, equal groups, repeated addition and number lines).

Core Concepts: III-A8 multiplication.

#### 6. Multiplying: 2 Digits Times 1 Digit

Description: This video shows how to multiply a 2-digit number by a 1-digit number.

Core Concepts: III-A8 multiplication.

#### 7. Division Using Equal Groups

Description: This video shows how to divide using equal grouping.

Core Concepts: III-A11 division meanings.

#### 8. Division as Equal Sharing

Description: This video explains division as equal sharing.

Core Concepts: III-A11 division meanings.

#### 9.Division as Repeated Subtraction

Description: This video explains division as repeated subtraction.

Core Concepts: III-A11 division meanings.

#### 10. Multiplication and Division Fact Families

Description: This video explains the link between multiplication and division fact families.

Core Concepts: III-A12 multiplication and division.

#### 11. Angles - Types and Definition (Mathematics for Kids)

Description: This video contains explanation of definition of angles.

Core Concepts: III-C1 angles.

#### 12. Understanding MM, CM, M, and KM

Description: This video explains four units of measuring length (mm, cm, m and km).

Core Concepts: III-C2 Length: Relationship among different units of measuring length.

#### 13. Mathematics Key Stage 1 : Area and Perimeter

Description: This video contains demonstration of measuring perimeter in cm.

Core Concepts: III-C2 Length: Relationship among different units of measuring length.

#### 14. Litres and Millilitres | Maths for Kids | Grade 3 | Periwinkle

Description: This video explains the units for measuring capacity (L and ml).

Core Concepts: III-C3 capacity: Measuring capacity in litre and measuring capacity in millilitre.

#### 15. Measuring Mass in Grams

Description: This video shows measuring mass of smaller objects in grams.

Core Concepts: III-C4 mass: Measuring mass in kilogram and measuring mass in gram.

#### 16. Grams and Kilograms | Maths for Kids | Grade 3 | Periwinkle

Description: This video explains conversion of kilogram to gram.

Core Concepts: III-C4 mass: Measuring mass in kilogram and measuring mass in gram.

#### 17. Mathematics Key Stage 1 : Area and Perimeter

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

Core Concepts: III-C5 area.

#### 18. Mathematics Key Stage 1 : Reading Time

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

Core Concepts: III-C6 measuring time and reading analog and digital clocks relation among different units of time.

#### 19. Math Antics - Polygons

Description: This video explains features of polygons.

Core Concepts: III-D1 polygons, III-D2 squares & rectangles, and III-D3 parallelograms.

#### 20. Regular & Irregular Polygons

Description: This video shows the differences between Regular and Irregular Polygons.

Core Concepts: III-D1 polygons, III-D2 squares & rectangles, and III-D3 parallelograms.

#### 21. Quadrilaterals (by Math Antics)

Description: This video explains properties of different quadrilaterals.

Core Concepts: III-D1 polygons, III-D2 squares & rectangles, and III-D3 parallelograms.

#### 22. 3D Figures - Prisms and Pyramids | Math | Grade-3,4 | TutWay |

Description: This video shows the attributes of prisms and pyramids.

Core Concepts: III-D4 prisms & pyramids.

#### 23. Combining and Subdividing Shapes - Math, Grade 5, Unit 8, Video 9

Description: This video contains demonstration on how to combine polygons.

Core Concepts: II-D5 combining two or more shapes and III-D7 similar and congruent shapes.

#### 24. Difference Between Similar and Congruent Figures

Description: This video explains the difference between similar or congruent shapes.

Core Concepts: II-D5 combining two or more shapes and III-D7 similar and congruent shapes.

#### 25. Shapes: Flips, Slides and Turns

Description: This video shows how to flip, slide and turn a shape.

Core Concepts: III-D6 turns, slides and flip of 2-D shapes.

#### 26. Collecting and Organizing Data

Description: This video shows how to collect data and organize data using tally chart.

Core Concepts: III-E1 data collection.

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

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

Core Concepts: III-E2 pictograph. 