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We’ll be taught illustration of numbers on
the abacus.
Numbers on Abacus:
This abacus is having two spikes. Spike on the left is Tens spike and spike on the correct is Ones spike. |
The variety of beads positioned in Ones spike reads Ones quantity and the variety of beads in Tens spike reads Tens quantity.
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. |
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. |
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.
This reveals 9 ones |
If we add 1 extra to 9 it’s 10 ones. |
This reveals 9 tens and 9 ones. The quantity |
If we add 1 extra to 99 it’s 10 tens. |
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:
5 beads within the a whole bunch place means 5 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 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
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