 # Class 3 Mathematics Karnataka Board Syllabus

### 1. Geometry

• Shapes & Spatial Understanding
• Creates 2D shapes through paper folding/paper cutting and identifies them.
• Describes the various 2-D shapes by counting their sides, corners, and diagonals.
• Makes shapes using straight lines and curves on the dot-grid.
• Creates shapes using tangram pieces.
• Matches the properties of two 2-D shapes by observing their sides and corners (vertices).
• Tiles a given region using a tile of a familiar shape
• Distinguishes between shapes that tile and that do not tile.
• The intuitive idea of a map. Reads simple maps (not to scale)
• Draws some simple 3Dobjects, using a ruler/ freehand.
• Explores the relationship between 3D and 2D by arranging coins one upon the other to get the cylinder bangles to get a hollow cylinder etc.

### 2. Numbers

• Number sequence up to 1000
• Reads and writes 3-digit numbers.
• Expands a number w.r.t. place values.
• Counts in various ways.
• Starting from any number.
• Skip counting
• Back counting
• Compares numbers.
• Forms the greatest and smallest numbers using given digits.
• Adds and subtracts numbers by writing them vertically in the following two cases -
• Without regrouping.
• With regrouping.
• Uses the place value in the standard algorithm of addition and subtraction.
• Solves addition and subtraction problems in different situations presented through pictures and stories.
• Frames problems for addition and subtraction facts.
• Estimates the sum of, and the difference between, two given numbers not exceeding 99.
• Multiplication
• Explains the meaning of multiplication (as repeated addition).
• Identifies the sign of multiplication.
• Constructs the multiplication tables of 3,4 and 10
• Uses multiplication facts in situations.
• Multiplies two-digit numbers using standard algorithm and Lattice multiplication algorithm.
• Division
• Explains the meaning of division from the context of equal grouping and sharing.
• Relates division with multiplication.
• Completes division facts
• By grouping
• By using
• Multiplication tables.
• Mental Arithmetic
• Adds and subtracts single-digit numbers and two-digit numbers mentally.
• Doubles two-digit numbers mentally (result not exceeding two digits).
• Fractional Numbers
• Identifies half, one fourth, and three- fourths of a whole and relates to a real-life situation.
• Identifies the symbols, ½, ¼, and ¾.
• Explains the meaning of ½, ¼, and ¾.

### 3. Money

• Converts Rupee to Paisa using play money.
• Adds and subtracts amounts using column addition, and subtraction without regrouping.
• Acquaints with simple rate charts and bills.

### 4. Measurement

• Length
• Appreciates the need for a standard unit.
• Develops the skill of measurement of length using appropriate standard units of length by choosing between centimeters and meters. (No millimeters)
• Estimates the length of a given object in Standard units and verifies by measuring.
• Uses a ruler
• Appreciates and expresses the relationship between centimeter and meter.
• Weight
• Weighs objects using non-standard units.
• It appreciates the conservation of weight.
• Volume
• Measures and compares the capacity of different containers in terms of non-standard units.
• Appreciates the conservation of volume.
• Time
• Reads a calendar to find a particular day and date.
• Reads the time to the nearest hour.
• Sequences the events chronologically.

### 5. Data Handling

• Records data using tally marks.
• Collects data and represents in terms of pictogram choosing appropriate scale and unit for display through a pictogram.
• Draws conclusions from the data through discussion.

### 6. Patterns

• Identifies simple symmetrical shapes and patterns.
• Makes patterns and designs from straight lines and other geometrical shapes.
• Identifies patterns in the numerals for odd and even numbers and in adding odd and even numbers.
• Partitions a number in different ways.
• Identifies patterns in his surroundings based on shape, color, and size.
• Identifies patterns in multiplication tables.  Study Materials for Class 3   