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HomeMathIllustration of Numbers on the Abacus | 2nd Grade Math

Illustration of Numbers on the Abacus | 2nd Grade Math


We’ll be taught illustration of numbers on
the abacus.

An abacus is a flat desk, with spikes.

In these spikes small beads transfer easily as proven.

Spike Abacus Math

Numbers on Abacus:

This abacus is having two spikes.

Spike on the left is Tens spike and spike on the correct is Ones spike.

Tens Spike and Once Spike

The variety of beads positioned in Ones spike reads Ones quantity and the variety of beads in Tens spike reads Tens quantity.

Number 1 on Abacus

Displaying 1 at Ones place and 0 at Tens place. So, the quantity is 0 Tens and 1 Ones – 1 Due to this fact, it’s displaying the number one.


Number 10 on Abacus

Displaying 0 at Ones place and 1 at Terns place. So, the quantity is One Tens and 0 Ones – 10 Due to this fact, it’s displaying the quantity 10.


Number 32 on Abacus

Displaying 2 at Ones place and three at Tens place. So, it’s displaying the quantity 32.


We will present 100 on an abacus with three vertical rods. The rods characterize place worth of a whole bunch, tens and ones. We add beads on the rods to indicate completely different quantity. Every rod can maintain as much as 9 beads.

Number 9 on the Abacus

This reveals 9 ones

10 Ones on the Abacus

If we add 1 extra to 9 it’s 10 ones.
Regroup 10 ones as 1 ten.

99 on the Abacus

This reveals 9 tens and 9 ones. The quantity
is 99.

100 on the Abacus

If we add 1 extra to 99 it’s 10 tens.
Regroup 10 tens as 1 hundred.


1 bead within the a whole bunch place represents 1
hundred.

 

To learn a 3-digit quantity first learn the
a whole bunch place after which the final two digits place.

 

Allow us to take this instance:

Number 542 on the Abacus

5 beads within the a whole bunch place means 5
a whole bunch.

4 beads within the tens place means 4 tens.

2 beads within the ones place means 2 ones.

 

The quantity will be written as 542 = 5
a whole bunch 4 tens and a pair of ones

5 hundred forty-two  

Questions and Solutions on Illustration of Numbers on the Abacus:

1. Learn the
following numbers on the abacus and write the quantity names within the given area.

Reply:

1. (i) 100 twenty-seven.

(ii) 2 hundred seven.

(iii) 300 twenty-nine.

2. Learn the
given quantity on the abacus and fill within the blanks. One has been executed for you.

Reply:

2. (ii) 3 a whole bunch; 8 tens; 6 ones

(iii) 4 a whole bunch; 5 tens; 0 ones

(iv) 6 a whole bunch; 5 tens; 5 ones

(v) 1 a whole bunch; 9 tens; 0 ones

(vi) 7 a whole bunch; 2 tens; 8 ones

3. Draw beads to indicate the next numbers on the abacus.

Reply:

3.

4. Learn the numbers proven on the abacus. Write the quantity and the quantity title within the given area.

Reply:

4. (i) 111; 100 one

(ii) 388; 300 eighty-eight.

(iii) 406; 4 hundred six

(iv) 808; Eight hundred eight

(v) 776; Seven hundred seventy-six

(vi) 642; Six hundred forty-two

2nd Grade Math Observe

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