# Abacus Math

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**ones place or unit place**and 2nd stick is for

**ten’s place.**For 1st grade of Math we will discuss only two digit number.

**How to write the numerals using abacus**

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.

**Writing A Number Names**

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.

**Example 1 :**35

In 35, 3 is in tens place = 30

**(Thirty)**

And 5 is in ones place = 5

**Five**

Join these number names together , so

**35 = Thirty Five**

**Example 2 :**48

In 48, 4 is in tens place = 40

**(Forty)**

And 8 is in ones place = 8

**Eight**

Join these number names together , so

**48 = Forty Eight**

**Abacus Math**

1st Grade Math

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1st Grade Math

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