1.2.B.21 - Share and Critique Peer Solution Strategies For Results Unknown Word Problems From the Teens – Exit Ticket

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2 questions

Strategies

Meg thinks using the take from ten strategy is the best way to solve the following word problem. Bill thinks that solving the problem using the count on strategy is a better way. Solve both ways.

Explain which strategy you think is best.

From EngageNY.org of the New York State Education Department. Grade 1 Mathematics Module 2, Topic B, Lesson 21. Internet. Available from https://www.engageny.org/resource/grade-1-mathemat...; accessed 21/Oct/2015.