Complete the pyramids so that the numbers in each brick is the sum of the two numbers in the bricks below.
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  Adding positive whole numbers
Level 2  Adding directed numbers
Level 3  Adding fractions
Pyramid Puzzle  The same sort of puzzle but with a different objective.
More activities including lesson Starters, visual aids, investigations and selfmarking exercises.
The number in each brick of the pyramid is found by adding together the numbers in the two bricks below. To find the numbers in some bricks you may have to use subtraction if a brick number above is given. You will need a good problem solving styrategy to solve the last two puzzles in each exercise.
Use the forward slash / to type a fraction then the right arrow or tab key to end the fraction.
For example: Type 1/2 to get a half.
For mixed numbers, such as three and a half, type 3 space 1/2.
Fractions should be given in their lowest terms.
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.
Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.
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