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12/11/2023

BODMAS rule
The brackets have to be solved first followed by powers or roots, then Division, Multiplication, Addition, and at the end Subtraction.

02/05/2023

Balancing chemical equations:

Start with the element that occurs only once on each side of the equation and balance it first.

02/05/2023

reactions involve the transfer of electrons.

-oxidation is loss (of electrons)
-reduction is gain (of electrons).

12/04/2023

Memorizing Pi
To remember the first seven digits of pi, count the number of letters in each word of the sentence:
"How I wish I could calculate pi."
This becomes 3.141592. 😎

12/04/2023

Finding the slope of a line: The slope of a line is a measure of how steep the line is. It is defined as the change in y divided by the change in x between two points on the line. The formula for slope is (y2 - y1) ÷ (x2 - x1), where (x1, y1) and (x2, y2) are two points on the line. For example, to find the slope of the line that passes through the points (1, 2) and (4, 5), you can use the formula to get (5 - 2) ÷ (4 - 1) = 1

11/04/2023

TIPS:

Multiplying by 11: To multiply any number by 11, simply write down the original number, and then add the sum of the digits of the original number between each digit. For example, to multiply 35 by 11, write down 35 and then add 3 + 5 to get the answer, which is 385. 😎

11/04/2023

TIPS:
Multiplying by 9: To multiply any number by 9, simply multiply the number by 10 and then subtract the original number. For example, to multiply 6 by 9, first multiply 6 by 10 (60), and then subtract 6 from 60 to get the answer, which is 54.😎

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02/05/2022

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GET PAST PAPERS Grade 12
27/09/2021

GET PAST PAPERS Grade 12

JC students, check this link for Past Papers from 2012-2018.
14/09/2021

JC students, check this link for Past Papers from 2012-2018.

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