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Adding Strategies

年级： 2nd Grade, 1st Grade

学科： Math

标准： Fluently add and subtract within 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers. (2.OA.2.)

学生说明

Solve each problem, noticing the strategy you use to solve it. Drag and drop one of the strategy icons into the Strategy box. Done? Compile your data to see the strategy you used the most!

教师备注（学生不可见）

Gr. 2 i-Ready Lesson 1 Session 2 Fluency & Skills Practice worksheet as self-checking activity

Teachers, save “Adding Strategies​” to assign it to your class.

Adding Strategies​

Teachers, save “Adding Strategies” to assign it to your class.

Adding Strategies