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In the abacus, she puts 2 beads in hundreds spike, 3 beads in tens spike and 4 beads

in ones spike. So, it is representing 2 hundreds, 3 tens and 4 ones.

Thus, the abacus shows the number 234, read as two hundred thirty-four.

Now, look at the abacus given alongside.

It has 5 hundreds, 0 tens and 9 ones.

So, the abacus shows the number 509, read as H T O

five hundred nine. No beads at tens

place means 0 tens.
Knowledge Desk
Note
ABACUS is the short form of Abundant Beads, A spike cannot have more
Addition and Calculation Utility Systems. than 9 beads.

Practice time 1C

1. Write the numbers shown on the abacus. One has been done for you.
(a) (b) (c) (d)

H T O H T O H T O H T O

243

2. draw the beads on each abacus to represent the given number.

(a) (b) (c) (d)

H T O H T O H T O H T O

194 371 490 798

Think and Answer
1. Shreya runs a boutique. She bought 1 packet of 100 buttons, 5 packets of
10 buttons each, and 4 loose buttons. Count the number of buttons together and write the
number in words.
2. Saloni bought 10 packets of 10 shirts each and her partner Shweta bought 6 packets of
10 jeans each from an online shopping site for their clothing store. How many clothes did
they buy in all?

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