1st lesson free
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Eric
- Rate J$2,861
- Response 1h
J$2,861/hr
Contact
1st lesson free
- Maths
- Other sciences
Graduate from Whittier College teaches Math and Biology at all levels, with personalized methods to meet your individual needs.
- Maths
- Other sciences
Lesson location
About Eric
When I graduated from Whittier College many years ago, I served a family as a tutor and I found I had the ability to truly connect and explain concepts in ways students can understand. I can connect to them and explain things because my understanding is very good. Since then, I have pursued a career in IT. Right now, I am between jobs and looking to start a new venture. And I want to do tutoring on the side. There wasn't a category there, but I can also teach programming in many computer languages, with the ability to rapidly learn the language you want to learn and teach it to you, if I do not already know it.
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About the lesson
- Primary
- Lower Secondary
- Upper Secondary
- +9
levels :
Primary
Lower Secondary
Upper Secondary
Lower Sixth Form
Upper Sixth Form
Diploma
Tertiary
Adult Education
Master’s degree
PhD
MBA
Kindergarten
- English
All languages in which the lesson is available :
English
Here is a math trick to easily in your head multiply any number with 9. If it is a single digit number subtract one from it. Take that number and subtract it from nine. Now you have two numbers: The first number goes in the tens position, the second in the ones position, and you have the product of 9 on a certain number.
Examples:
9 x 7 = [7-1=a][9-a] -> [6=a][9-a] -> [6][9-6] -> [6][3] = 63
9 x 7 = 63
9 x 5 = [5-1=a][9-a] -> [4=a][9-a] -> [4][9-4] -> [4][5] = 45
9 x 4 = [4-1=a][9-a] -> [3=a][9-a] -> [3][9-3] -> [3][6] = 36
9 x 2 = [2-1=a][9-a] -> [1=a][9-a] -> [1][9-1] -> [1][8] = 18
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Rates
Rate
- J$2,861
Pack prices
- 5h: J$10
- 10h: J$20
free lessons
The first free lesson with Eric will allow you to get to know each other and clearly specify your needs for your next lessons.
- 1hr
online
- J$2,861/h
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