SuperfluousFind a strategy to figure out the values of the letters used in these calculations. 
This is level 1: calculations involving two letters where one is a multiple of the other. You can earn a trophy if you get at least 9 questions correct and you do this activity online.
InstructionsTry your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help. When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file. 



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Level 1  Calculations involving two letters where one is a multiple of the other
Level 2  Calculations involving two letters where the difference between the values of the letters are given
Level 3  Calculations involving three letters where two of them are different multiples of the third
Level 4  Calculations involving three letters where the difference between the values of the letters are given
Level 5  Calculations with a mixed set of clues to help determine their values
More Algebra including lesson Starters, visual aids, investigations and selfmarking exercises.
H + J = 12
If J is twice as big as H, Calculate the values of the numbers H and J
J = 2H
Substitute this value for J into the original equation
H + 2H = 12
3H = 12
Divide both sides by 3
H = 4
J = 2H = 2 × 4 = 8
L + M = 11
If M is 3 more than L, Calculate the values of the numbers M and L
M = L + 3
Substitute this value for M into the original equation
L + L + 3 = 11
Subtract 3 from both sides
2L = 8
Divide both sides by 2
L = 4
M = L + 3 = 4 + 3 = 7
Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly. You can doubleclick the 'Check' button to make it float at the bottom of your screen.
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