An infinite number of problems generated just by clicking the ‘new worksheet’ tab.
This excel document contains 5 tabs. An easy worksheet, hard worksheet, answer tab, new worksheet tab and a blank grid tab (the latter useful for printing out blank grids). Both the easy and hard worksheet have 10 problems each. The first 5 problems are solely involving positive numbers when adding from the bottom of the pyramid upwards. The 6th problem involves decimals. The 7th, 8th and 9th involving negative numbers, with the 9th dealing with smaller negative numbers. Finally the 10th problem involves both negative numbers and decimals. However, you can just print off any given number of problems, meaning that you can differntiate the quantity of quesitons required easily. The hard worksheet involves the same pyramid as the easy worksheet, however, instead of having to solely add from the bottom of the pyramid, and work your way upwards, you have work down and up through the pyramid using both subtraction and addition.
To generate an infinte number of worksheets simply press the ‘new worksheet’ button. EASY.
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