In this app you are given a target number and you create number sentences in order to get to the target number. You are given numbers to use and the operations of addition, subtraction, multiplication, and division. You can also use numbers that were solutions to previous number sentences. I thought this was a very simple app but I liked it because it really made you think. It requires students to work backwards with operations which requires a higher level of thinking. Because you can only use each number once, you really have to think ahead so that you can create something that reaches your target number. I like the problem solving that this app promotes.
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