Place value

Place value

Travel Through

Chinnu! Minnu!

On my right I have bundles of 10 carrots.

Chinnu! Minnu! Bring 42 carrots.

On my left I have loose carrots.

I have 4 bundles and 2 loose carrots.

I have 2 bundles and 4 loose carrots.

Who is correct ?

I took 42.

No, I have taken 42.

Teacher’s Note: Teacher can discuss the above situation and explain place value by varying the numbers of carrots.

Learn

Let us learn about the place value of digits in number using the above situation.

The place value of digit in any number depends on its place in that number.

Practice

Draw necklace using beads in tens and ones for the given number.

Complete the empty boxes in the table given below.

Try This

Complete the table

Activity

* Take 2 sets of cards with numbers 0 to 9.

* Write the words ‘Tens’, ‘Ones’ on the board and place one set of cards in front of each word.

* Call two students to stand in the places of ones and tens.

* Each student should pick a number card from the set.

* The student who is standing before ‘Tens’ should say “I am 2, standing at ‘Tens’ place. So my place value is 20” and should show twenty beads.

* Next student who is standing before ‘Ones’ should say, “I am 4,standing at ‘Ones’ place. So my place value is 4”, and should show 4 beads. So,our number is 24. Teacher continues the activity with other students for different two digit numbers.

Pleasure Time

Colour and answer

Colour the number boxes with blue if the values in ‘Tens’ place and ‘Ones’ place are equal.

Observe the number chart and answer the following questions.

Write the numbers with the digit 7 either in ‘Ones’ place or in ‘Tens‘ place

7, 17, 27, 37, 47, 57, 67, 70,77,87,97

Write all the numbers with 6 in ‘tens’ places?

60, 61, 62, 63, 64, 65, 66, 67, 68, 69

Write all the numbers with 8 in ‘ones’ places?

8, 18, 28, 38, 48, 58, 68, 78, 88, 98

Which is the number with 9 in both ‘tens’ and ‘ones’ places?

99