Common Core Standards require students to know how to solve many different types of word problems. This 15 page set is aligned with Common Core State Standards to teach Add To - Change Unknown numbers to 10 story problems. In my experience, students learn how to better solve each story problem type when first taught in isolation. Later, students will know when and how to solve each addition and subtraction situation.
In add to - change unknown story problems, students will solve for the change or missing addend.
Example: Jan sees 7 frogs on a log. Some more frogs hop on the log. Now Jan sees 9 frogs on the log. How many more frogs hopped on the log?
7 (start) + _____ (change or missing addend) = 9 (result)
Students are given the opportunity to show their thinking at a higher level by using a variety of ways to solve such as using a ten frame, number line, drawing a model and writing an equation.
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