1st Grade Maths: Understanding Time (Term 3, Chapter 4)

1st Grade Maths: Understanding Time (Term 3, Chapter 4)

1st Maths: Term 3 Unit 4 - Time

A lesson on understanding time concepts for first-grade students.

Keywords

Time, Earlier, Later, Fast, Slow

Travel through: A day with Mugil

A day in the life of Mugil, showing activities from waking up to going to sleep.

Practice

Colour the boxes for the morning activities with Yellow color box and the evening activities with Blue color box.

Pictures of morning and evening activities to be colored.

Activity

(i) Prepare the flashcards with pictures of daily events which happen from morning to evening. Example: Going to school.

(ii) Ask the students to sit in the circular form.

(iii) Give each student a flashcard.

(iv) The student has to express the event mentioned in the picture flashcard by miming only.

(v) The remaining students have to identify the miming activity and should say by which time interval the activity will take place.

(vi) Appreciate the group for their correct response and continue the activity till everyone finishes the miming activity.

Learn: Changes in time intervals in a day

Diagram showing the progression of a day: Morning, Afternoon, Evening, Night.

Practice

Match the activities based on time intervals that occurs.

Think First!

Before looking at the lines, try to match the pictures on the left with the time of day on the right. Which activity happens in the morning? Afternoon? Evening? Night?

Matching exercise connecting daily activities (school, play, dinner, sleep) to the time of day.

Try this

Observe the pictures of daily activities and shade Shading key for activities as follows.

Instructions to shade pictures of daily activities according to a key.

Learn: Earlier – Later

Illustration showing the concept of Earlier (making dough) and Later (making chapati).

Try this

Write the sequence of activities from Earlier to Later by 1, 2 and 3.

Sequencing exercise: a boy watering a seed, the seed sprouting, and the plant growing.

Practice

Observe the pictures and colour the objects based on their stages.

Coloring exercise showing the stages of a banana from unripe to ripe.

Learn: Old – New

Comparison between an old television and a new television.

Old Television

New Television

Practice

Match the old objects with the new objects.

Think First!

Look at the old objects on the left and the new objects on the right. Can you guess which old object matches with its modern version? Try to connect them in your mind before you look at the lines in the image.

Matching exercise for old and new objects: gramophone to speaker, ink pot to pen, and lantern to flashlight.

Know More

In olden days, informations were stored in palm leaves. Later books are used instead of palm leaves.

A palm leaf manuscript and a modern book.

Learn: Fast - Slow

Comparison between a fast crab and a slow snail.

Crab moves fast.

Snail moves slow.

Practice

Tick (✓) the vehicle which moves fast.

Exercise to tick the faster vehicle: comparing a bicycle and a car, and an airplane and a bus.

Pleasure time: Let us colour!

Two pictures for a coloring activity: a simple fish and a complex butterfly.

Which picture could be coloured neat and fast? why?

First one. Need only one color.

Learn: Less time - More time

Comparison of filling a small bucket and a big bucket with water.

Small bucket takes less time to fill.

Big bucket takes more time to fill.

Think like a Mathematician

Which spoon will you use to transfer oil from the bowl to the bottle quickly? Why?

A big spoon and a small spoon next to a bowl of oil and a bottle.

Big spoon transfer oil from the bowl to the bottle quickly. It transfers more liquid quantity at every transfer.

Try this

Who will reach the school first? Why?

A boy and a girl at different distances from a school.

Boy reaches first. He is near to school.