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Mathematics - Grade 4
Geometry

Shapes and Spatial understanding
. Draws a circle free hand and with compass.
. Identifies centre, radius and diameter of a circle.
. Uses Tangrams to create different shapes.
. Tiles geometrical shapes: using one or two shapes.
. Chooses a tile among a given number of tiles that can tile a given region both intuitively and experimentally.
. Explores intuitively the area and perimeter of simple shapes.
. Makes 4-faced, 5-faced and 6- faced cubes from given nets especially designed for the same.
. Identifies and makes straight lines by folding, straight edged objects, stretched strings and draws free hand and with a ruler.
. Explores intuitively the reflections through inkblots, paper cutting and paper folding.
. Reads and draws 3-D objects, making use of the familiarity with the conventions used in this.
. Draws intuitively the plan, elevation and side view of simple objects.

Numbers

Numbers and Operations
. Writes multiplication facts.
. Writes tables upto 10 × 10.
. Multiplies two and three digit numbers using lattice algorithm and the standard (column) algorithm.
. Divides a given number by another number in various ways such as:
. by drawing dots.
. Group counting etc.
. by using multiplication facts.
. by repeated subtraction.
. Applies the four operations to life situations.
. Frames word problems.
. Estimates sums, differences and products of given numbers.

Mental Arthematic
. Adds and subtracts multiples of 10 and 100, mentally.
. Completes multiplication facts by adding partial products, mentally (e.g. 7 × 6 = 5 × 6 + 2 × 6).

Fractional Numbers
. Identifies half, one fourth and three- fourths of a whole.
. Identifies the symbols 1/2,1/4,3/4.
. Explain the meaning of 1/2,1/4,3/4
. Appreciates equivalence of2/ 4 and 1 / 2 and of 2/2 , 3/3 , 4 /4 and 1/1.

Money
. Converts Rupees to Paise.
. Adds and subtracts amounts using column addition and subtraction with regrouping.
. Uses operations to find totals, change, multiple costs and unit cost.
. Estimates roughly the totals and total cost.

Measurement

length
. Relates metre with centimetre;
. Converts metre into centimetres and vice versa.
. Solves problems involving length and distances.
. Estimates the length of a given object and distance between two locations.

Weight
. Weight object using balance and standard units.
. Determines sum and differences of weights.
. Estimates teh weight of an object and verifies using balance.

Capacity
. Measures volumes of given liquid using containers marked with standard units.
. Determines sums and differences of volumes.
. Estimates the volume of a liquid contained in a vessel and verifies by measuring
. Estimates the volume of a liquid contained in a vessel and verifies by measuring

Time
. Computes the number of weeks in a year.
. Correlates the number of days in a year with the number of days in each month.
. Justifies the reason for the need of a leap year.
. Reads clock time to the nearest hours and minutes.
. Expresses time, using the terms, ‘a.m.’ and ‘p.m.’
. Estimates the duration of familiar events.
. Compute the number of days between two dates.

Data Handling
. Collects data and represent in the form of bargraphs.
. Draw interfaces by discussing with the teacher.

Patterns
. Identify the patterns in multiplication and division in multiples of9.
. Casts out nines from a given number to check if multiple of 9.
. Multiplies and dividesby 10's and 100's.
. Identifies geometrical patterens basec on symmetry.

 

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