 • 4
IV Standards
Top Mathematicians
• Numbers
• 4.N.1.1
Numbers and Operations
â€¢ Writes multiplication facts.
â€¢ Writes tables up to 10 Ã— 10.
â€¢ Multiplies two and three digit numbers using lattice algorithm and the standard (column) algorithm.
â€¢ Divides a given number by another number in various ways such as:
- by drawing dots.
- by grouping.
- by using multiplication facts.
- by repeated subtraction.
â€¢ Applies the four operations to life situations.
â€¢ Frames word problems.
â€¢ Estimates sums, differences and products of given numbers.
• 4.N.1.2
Mental Arithmetic
â€¢ Adds and subtracts multiples of 10 and 100, mentally.
â€¢ Completes multiplication facts by adding partial products, mentally.
• 4.N.1.3
Fractional Numbers
â€¢ Identifies half, one fourth and three-fourths of a whole.
â€¢ Identifies the symbols, 1/2, 1/4, 3/4.
â€¢ Explains the meaning of 1/2, 1/4 and 3/4.
â€¢ Appreciates equivalence of 2/4 and 1/2; and of 2/2, 3/3, 4/4 and 1.
• Measurement
• 4.MT.1.1
Length
â€¢ Relates metre with centimetre;
â€¢ Converts metre into centimetres and vice versa.
â€¢ Solves problems involving length and distances.
â€¢ Estimates length of an object and distance between two given locations.
• 4.MT.1.2
Weight
â€¢ Weighs objects using a balance and standard units.
â€¢ Determines sums and differences of weights.
â€¢ Estimates the weight of an object and verifies using a balance.
• 4.MT.1.3
Volume
â€¢ Measures volumes of given liquid using containers marked with standard units.
â€¢ Determines sums and differences of volumes.
â€¢ Estimates the volume of a liquid contained in a vessel and verifies by measuring.
• 4.MT.1.4
Time
â€¢ Computes the number of weeks in a year.
â€¢ Correlates the number of days in a year with the number of days in each month.
â€¢ Justifies the reason for the need of a leap year.
â€¢ Reads clock time to the nearest hours and minutes.
â€¢ Expresses time, using the terms, 'a.m.' and 'p.m.'
â€¢ Estimates the duration of familiar events.
â€¢ Finds approximate time elapsed by (to the nearest hour) forward counting.
â€¢ Computes the number of days between two dates.
• Geometry
• 4.G.1.1
Shapes & Spatial Understanding
â€¢ Draws a circle free hand and with compass.
â€¢ Identifies centre, radius and diameter of a circle.
â€¢ Uses Tangrams to create different shapes.
â€¢ Tiles geometrical shapes: using one or two shapes.
â€¢ Chooses a tile among a given number of tiles that can tile a given region both intuitively and experimentally.
â€¢ Explores intuitively the area and perimeter of simple shapes.
â€¢ Makes 4-faced, 5-faced and 6-faced cubes from given nets especially designed for the same.
â€¢ Explores intuitively the reflections through inkblots, paper cutting and paper folding.
â€¢ Reads and draws 3-D objects, making use of the familiarity with the conventions used in this.
â€¢ Draws intuitively the plan, elevation and side view of simple objects.
• Data Handling
• Patterns