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They yellow numbers are square numbers.

HOW TO SOLVE EQUATIONS

Introduction to algebria

All exspretions have to be done in the same order BIDMAS Brackets Inderces Division Mutiplication Addition Subtraction If the equation does have a = you can use inverce opperation to work is out.

WORKSHEET solve these equations 1) R+7=27 2) C-5=35 3)T* 3= 33 4) Y+4=109 5) H/ 6= 3*3 6) (T*6)*3=

A term is a letter on its own. A exspretion is a group of numbers and symbols however not with an equals sign, and finaly an equation is an exspretion with an equals sign. EG. R = term R+5 = exspretion R+5=21 = equation

Exspanding bracets is when you take an exspretion in bracets (R+3)(5+R) and take the bracets away R^2+8R+8. This is how you do it: first you take R and R to make R^2 then you take R and 5 ( oppersit digits) and they make 5R then you do the same for the others 3R. Then you add it alltogether and you get R^2+8R+8. Now try these: 1) (T+7)(9+T) 2) (Y-6)(Y-4) 3) (U-6)(U-2) 4) (D-5)(5+D)

1) R=20 2) C=40 3) T=11 4) Y= 105 5) H=36 6) T=224

To find the area of a circle first you have to do πr^2 (3.14 times the radeus ^2)

- Powers also known as indices are when you times something multiple times. For insdence 4 to the power of 3 (or 4^3) would be 4*4*4 and 4*4*4 is 64. It is basicly a way of saying somthing long in a short space. This links to algibra aswell and you can have U^8 (U*U*U*U*U*U*U*U.)

This is how much space it can save:

5^100=7.8886091e+69

or

5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5

*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*

5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*5*

5*5*5*5*5*5*5*5*5*5*5*5*5*5*5= 7.8886091e+69

coming soon.

Q1) (5+Y)(Y+4) Q2) (7+T)(2H+4) Q3) (1+2)(P*2) Q4) (P*W)(W*Y) Q5)(K+U)(F-K)(K+R)

Q1) 8^2 Q2)9^3 Q3)6^3 Q4)10^10 Q5)9^3+T^4

coming soon

?why not get your class to make their own website?

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