### Abacus

Welcome To Abacus Mental Arithmetic Education Center!
Lecture Name : Addition & Subtraction (Level1)
Tuition USD 50.00 Book Cost Free book file
Allowed days 365 Sample
Teacher Christine Lee Lap time
Type VOD

 Amount Addition & Subtraction (Level1) 50 USD
Sign up for our Online Abacus Course 'Abacus Math From Scratch'.
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Welcome to my class -> Abacus Math From Scratch
In today's digital age, the human ability to think and
numeracy paralyzed in mobile phone !
"We cannot continue to be like this. something has to be done!"

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Sign up for our Online Abacus Course 'Abacus Math From Scratch'.
Get 89% off this course with this link﻿

Welcome to my class -> Abacus Math From Scratch

Subject Lap time Content
1- Get to know number and place on the abacus to try 04M 38S

lesson 1

2- Addition from 1 to 4 03M 03S

lesson 2

3- Exercise(9 Problems) 04M 04S
4- Subtraction from 1 to 4 04M 07S

lesson 3

5- Exercise(9 Problems) 04M 09S
6- Mixed addition and subtraction up to 4(plus, minus 1.2.3.4) 03M 49S

lesson 4

7- Exercise(10 Problems) 05M 58S
8- Addition from 5 to 7(plus 5,6,7)  04M 09S

lesson 5

9- Exercise(8 Problems) 05M 38S
10- Addition from 8 to 9(plus 8,9) 03M 02S

lesson 6

11- Exercise(4 Problems) 02M 41S
12- Subtraction the number to 9(from 1 to 5) 05M 22S

lesson 7

13- Exercise(4 Problems)  02M 31S
14- Subtraction the number to 9(from 6 to 7) 04M 07S

lesson 8

15- Exercise(8 Problems) 06M 04S
16- Subtraction the number to 9(from 8 to 9) 04M 34S

lesson 9

17- Exercise(8 Problems) 05M 47S
18- Mixed addition and subtraction up to 9 03M 49S

lesson 10

19- Exercise(6 Problems) 03M 58S
20- Friend number of addition for 5(plus 1, 2) 04M 35S

lesson 11

21- Exercise(6 Problems)  06M 02S
22-Friend number of addition for 5(plus 3, 4) 03M 16S

lesson 12

23- Exercise(6 Problems) 05M 17S
24- Friend number of subtraction for 5(minus 1, 2) 04M 29S

lesson 13

25- Exercise(6 Problems) 05M 34S
26- Friend number of subtraction for 5(minus 3, 4) 02M 39S

lesson 14

27- Exercise(6 Problems) 04M 51S