3rd Class

     Flower   Flowers are found in wide varieties of colours like red, orange, yellow, white, violet etc. Rose, jasmine, marigold, sunflower all are flowers.   Flower is very important part of the plant. It changes into fruits that contains seed in it, which, on getting proper condition of warmth and moisture, germinates into a new plant.   Look at the following picture of the parts of a flower:                   Which one of the following parts of the plant grows into fruit? (a) Stem   (b) Root (c) Flower (d) Leaf (e) All of these   Answer: (c) Explanation On maturity petals and sepals dries out and ovary changes into more...

   Fruits   Ovary changes into fruit after fertilization. Generally plants store food in their fruits. Fruits are the source of vitamins, proteins, carbohydrates and minerals. They make our meal delicious. Fruits contain seeds which give rise to new plants.   Look at the different types of fruits in picture given below:              Seed Look at the following picture of different types of seeds: Seeds are present in fruits. Many fruits contain one seed in it, for example mango. Whereas fruits like papaya, water melon, pomegranate have many seeds in it. Seeds of such fruits are not edible. But we eat seeds of some fruits that are edible and help in the growth and development of our body. These seeds are cereals, pulses, more...

LEARNING OBJECTIVES This lesson will help you to:—

• Understand different shapes, space and pattern.
• Identify and recognize different shapes, spaces and pattern.
• Identify edges, corners and faces in the given shape.
• Describe the various 2-E) shapes by counting their sides/corners and diagonals.
• Understand the basic concept of geometry.
• Learn about rays and lines.

  Amazing Facts

• The tangram is an old Chinese puzzle, consisting of a square broken up into various geometrical shapes.
• In south of India people make rangoli or kolam in front of main doors of their houses which are patterns of curved and straight lines.
• Jalebi, famous sweet of north India is an open figure

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LEARNING OBJECTIVES This lesson will help you to:

• understand patterns in numbers and alphabet.
• use tables, graphs and pictures to represent a pattern situation.
• analyze and develop strategies to extend patterns.
• interpret solutions to given patterns by logical reasoning.

  REAL LIFE EXAMPLES

• The pattern on a chessboard is an 8 x 8 grid and has 64 squares.
• The traffic light follows a pattern of Red, Yellow, Green, so that the traffic is organized and avoids

  AMAZING FACTS

• The whisker patterns in lions are unique to each individual lion. They are used to identify individual lions in the population.
• The migratory birds fly in a V shape pattern so that more...

LEARNING OBJECTIVES  This lesson will help you to:

• collect data from different sources.
• record data using tally marks.
• prepare tables for recording data.
• represent data in terms of pictograph choosing appropriate unit for displaying data.
• represent data in terms of bar charts choosing appropriate scale for displaying data.
• recognize patterns in the data.
• draw conclusions from the data by discussing with teacher.

  Real Life Examples

• A pictograph represents data in the form of pictures, objects or pars of objects and helps us to answer questions on the data at a glance.
• Pictographs helps us to represent different types of sales of a store with the help of images, for example, shoe sales, TV sales, phone sales, more...

LEARNING OBJECTIVES This lesson will help you to:—

• understand the concept of time.
• read the clock time to the nearest hour.
• read a calendar to find a particular day and date.

  Real life Examples

• Knowledge of time and calendar helps us to form time table in school.
• Keeping a track of time prevents us from getting late for work.
• Knowledge of calendar helps us record important dates like birthdays, anniversaries, holidays, etc.
• Time helps us to organize our tasks so that we can manage them properly.
• Calendar helps in maintaining appointments.
• Clocks help us to set alarms, to wake up in the morning and get ready for school or office.

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LEARNING OBJECTIVES This lesson will help you to:—

• Measure and compare the capacity of different containers in terms of non standard units.
• Estimate capacity of a given object in standard units.
• Learn and convert the units of volume.

  REAL LIFE EXAMPLES

• Capacity of a juice box tells us about the volume of juice in it
• Ice cream containers’ capacity is measured before packing ice creams in them.
• Cold drink bottles are of capacity 250ml, 300ml, 500ml, 1lt, 2lt, etc.

  AMAZING FACTS

• You can also measure volume of solid objects. Volume of solid objects can also be measured for solid shapes like cube, cuboids, cylinder, cone, sphere etc.
• Capacity is more...

LEARNING OBJECTIVES This lesson will help you to:—

• weigh objects using nonstandard units.
• relate objects with their weight.
• learn about standard units of weight like gram (gm) and kilogram (kg).
• choose appropriate standard unit of weight.

  REAL LIFE EXAMPLES

• Weighing objects helps us to know whether the object is heavy or light.
• Fruit sellers and vegetable sellers use weighing balance to weigh fruits and vegetables.
• Doctors weigh their patients before prescribing any medicine to them especially children.
• Grocery store sells items like sugar, wheat flour (atta), tea, etc according to their weights.
• Cooking is done by measuring of weight of ingredients.

  AMAZING FACTS

• The adult more...

LEARNING OBJECTIVES

• This lesson will help you to:—
• understand non-uniform units.
• revise standard units of length like millimeter,
• centimeter and meter.
• choose appropriate standard unit of length.
• measure objects using standard unit of length.
• estimate length of a given object in standard units.
• verify length of a given object by measuring.
• use a ruler for measuring length.
• relate centimeter and meter.

  Real life examples

• All clothes are stitched by taking body measurements using measuring tapes.
• Measurement of length helps in knowing the distance between two places.
• Carpenters use measuring tapes to measure length of wooden furniture in order to construct them.
• All students in your class are of more...

LEARNING OBJECTIVES This lesson will help you to:—

• Measure lengths and distance using non standard units.
• Measure and choose units to measure length and distance.
• Measure and choose units to measure weight.
• Measure and choose units to measure capacity.
• Estimate time for given activities.
• Read and write time.

  Real life Examples

• While buying fruits and vegetables, we use a weighing scale to measure the weight.

  Amazing Facts

• Sound travels almost 5 times faster underwater than in air.
• The overage person falls asleep in 7 minutes.
• The first letter from July to November spells JASON.

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