Reading A-Z resources organized into weekly content-based units and differentiated instruction options.
Concept (fiction), 194 words Grade 1
The book Once There Were Twelve allows students to practice solving subtraction word problems with visual support. In the book, students learn to answer the question How many are missing? as they count the amount remaining from each group of twelve. By exploring the decomposition of the number twelve, students will practice finding the missing or unknown number in a subtraction problem.
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