Teacher’s note : Let the children explore to represent many 3 digit numbers by using math kit.

__Read
and write all three digit numbers and number names.__

We shall represent 100 in an abacus as
shown below.

No beads in the ones
place shows 0 ones.

No beads in the tens
place shows 0 Tens.

1 bead in the hundred
place shows 1 hundred.

The place value higher than tens place
is hundreds place.

Hundred (or) 100 is the smallest three
digit number.

__Examples:__

** **

__Activity 1__

10 ones = 1 Ten

10 Tens =1 Hundred

10 Hundreds = 1 Thousand.

**Teacher’s note :** Let the children explore to represent many 3
digit numbers by using math kit.

** **

**Read and write the
numbers from 101 to 200.**

Teacher‛s Note : Teacher
can give practice to children to write the numbers upto 1000.

The number name of the numeral 101 is
written by adding one hundred with one as one hundred and one. For the numeral
199 it is written as one hundred and ninety nine.

** **

__Activity 2__

**Write the numerals for the given
number names.**

** **

__Activity 3__

**Write the number names
for the following Numerals.**

** **

__Activity 4__

**Form three digit numbers
using each of the given numbers only once.**

** **

__Place
value of a numeral in the given number.__

write the place value of the
underlined digit in the given number.

** **

**I. find the numbers
represented in the abacus by writing their place value.**

3 – Hundreds

4 – Tens

2 – Ones

300 + 40 + 2

__Ans: 342__

4 – Hundreds

2 – Tens

1 – Ones

400 + 20 + 1

__Ans: 421__

1 – Hundreds

5 – Tens

3 – Ones

100 + 50 + 3

__Ans: 153__

**II. Expand the given
numbers into ones tens and hundreds**

**III. Write the simplified form of the number of the given
expansions.**

** **

__Skip
counting starting from any given number.__

__Example:__

1. 10 11 12 13 14 15 → Skip counted in ones

2. 62 64 66 68 70 72 → Skip counted in twos

**complete the following
by skip counting in 5s ,10s and 100s.**

1. 250 255 **260 265 270**

2. 500 510 **520 530 540**

3. 100 200 **300 400 500 600**

Tags : Numbers | Term 1 Chapter 2 | 3rd Maths , 3rd Maths : Term 1 Unit 2 : Numbers

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

3rd Maths : Term 1 Unit 2 : Numbers : Read and write all three digit numbers and number names | Numbers | Term 1 Chapter 2 | 3rd Maths

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