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In the above picture, there are two sticks. One from the right side is one place or unit place stick and the next is tens place stick.

Now there are,

two beads in ten’s stick = 20

No beads in one’s place stick = 0

So the number formed is 20.

In the above picture,

1 bead in ten’s stick = 10

3 beads in one’s place stick = 3

So the number is 13.

In this way we can write the numbers using abacus.

Numbers |
Number Names |
Numbers |
Number Names |
Numbers |
Number Names |

1 |
One |
11 |
Eleven |
30 |
Thirty |

2 |
Two |
12 |
Twelve |
40 |
Forty |

3 |
Three |
13 |
Thirteen |
50 |
Fifty |

4 |
Four |
14 |
Fourteen |
60 |
Sixty |

5 |
Five |
15 |
Fifteen |
70 |
Seventy |

6 |
Six |
16 |
Sixteen |
80 |
Eighty |

7 |
Seven |
17 |
Seventeen |
90 |
Ninety |

8 |
Eight |
18 |
Eighteen |
100 |
Hundred |

9 |
Nine |
19 |
Nineteen |
||

10 |
Ten |
20 |
Twenty |

The child has to lean the spellings of these number names only and rest of the number names he/she can be write using the above number names.

In 35, 3 is in tens place = 30

And 5 is in ones place = 5

Join these number names together , so

In 48, 4 is in tens place = 40

And 8 is in ones place = 8

Join these number names together , so

1st Grade Math

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