Representation of Numbers on the Abacus
We will learn representation of numbers on
the abacus.
An abacus is a flat table, with spikes. In these spikes small beads move smoothly as shown.


Numbers on Abacus:
This abacus is having two spikes.
Spike on the left is Tens spike and spike on the right is Ones spike.


The number of beads placed in Ones spike reads Ones number and the number of beads in Tens spike reads Tens number.

Showing 1 at Ones place and 0 at Tens place. So, the number is 0 Tens and 1 Ones  1 Therefore, it is showing the number 1.


Showing 0 at Ones place and 1 at Terns place. So, the number is One Tens and 0 Ones  10 Therefore, it is showing the number 10.


Showing 2 at Ones place and 3 at Tens place. So, it is showing the number 32.

We can show 100 on an abacus with three vertical rods. The rods represent place value of hundreds, tens and ones. We add beads on the rods to show different number. Each rod can hold up to 9 beads.
This shows 9 ones

If we add 1 more to 9 it is 10 ones.
Regroup 10 ones as 1 ten.

This shows 9 tens and 9 ones. The number
is 99.

If we add 1 more to 99 it is 10 tens.
Regroup 10 tens as 1 hundred.

1 bead in the hundreds place represents 1
hundred.
To read a 3digit number first read the
hundreds place and then the last two digits place.
Let us take this example:

5 beads in the hundreds place means 5
hundreds. 4 beads in the tens place means 4 tens. 2 beads in the ones place means 2 ones. The number can be written as 542 = 5
hundreds 4 tens and 2 ones
Five hundred fortytwo

Questions and Answers on Representation of Numbers on the Abacus:
1. Read the
following numbers on the abacus and write the number names in the given space.
Answer:
1. (i) One hundred twentyseven.
(ii) Two hundred seven.
(iii) Three hundred twentynine.
2. Read the
given number on the abacus and fill in the blanks. One has been done for you.
Answer:
2. (ii) 3 hundreds; 8 tens; 6 ones
(iii) 4 hundreds; 5 tens; 0 ones
(iv) 6 hundreds; 5 tens; 5 ones
(v) 1 hundreds; 9 tens; 0 ones
(vi) 7 hundreds; 2 tens; 8 ones
3. Draw beads to show the following numbers on the abacus.
Answer:
3.
4. Read the numbers shown on the abacus. Write the number and the number name in the given space.
Answer:
4. (i) 111; One hundred one
(ii) 388; Three hundred eightyeight.
(iii) 406; Four hundred six
(iv) 808; Eight hundred eight
(v) 776; Seven hundred seventysix
(vi) 642; Six hundred fortytwo
You might like these
We will practice the questions given in the worksheet on place value and face value. In place value and face value we need to identify the digit which is highlighted whether in hundreds place
Learn the easiest way to understand the basic concept on place value and face value in the second grade. Suppose we write a number in figures 435 in words we write four hundred thirty five.
Here we will learn adding 2digit numbers without regrouping and start working with easy numbers to get acquainted with the addition of two numbers.
In subtracting 2digit numbers we will subtract or minus a twodigit number from another twodigit number. To find the difference between the two numbers we need to ‘ones from ones’ and ‘tens from
In subtracting 1digit number we will subtract or minus onedigit number from onedigit number or onedigit number from 2digit number and find the difference between them. We know that subtraction means to take away a set of objects from a collection.
Understand the concept of adding 1digit number with the help of objects as well as numbers.
Number 0, 1, 2, 3, 4, 5, 6, 7, 8 and 9 are called Digits. Number 1 to 9 are Onedigit numbers. Numbers 10 to 99 are Twodigit numbers. The number 100 is a Threedigit number.
Comparing numbers is important to know which number is greater and which number is smaller. Solved examples
Cardinal numbers and ordinal numbers are explained here with the help of colorful pictures. There are many steps in a staircase as shown in the above figure. The given staircase has nine steps,
2nd grade math worksheets is carefully planned and thoughtfully presented on mathematics for the students.
Money consists of rupees and paise; we require money to purchase things. 100 paise make one rupee. List of paise and rupees in the shape of coins and notes:
In Addition Subtraction Multiplication Division Worksheet you will get different types of problem on addition (2digit and 3digit), subtraction (2digit and 3digit), multiplication, multiplication facts, division, division facts and word problems.
In Long Division Word Problems Worksheet you will get different types of real life long division with onedigit divisors. 1. 32 toffees are equally divided among 8 boys. How many toffees does each boy get?
How to divide on a number line? Learn to divide using number line to find the quotient. Solved examples to show divide on a number line: 1. Solve 14 ÷ 7 Solution: 7 is subtracted repeatedly
How to divide by repeated subtraction? We will learn how to find the quotient and remainder by the method of repeated subtraction a division problem may be solved.
2nd Grade Math Practice
From Representation of Numbers on the Abacus to HOME PAGE
Didn't find what you were looking for? Or want to know more information
about Math Only Math.
Use this Google Search to find what you need.
Share this page:
What’s this?


New! Comments
Have your say about what you just read! Leave me a comment in the box below. Ask a Question or Answer a Question.