Critical Questions for Investigations First GradeMathematical ThinkingInvestigation 1: Exploring Materials1 Getting Started with MaterialsWhat do you notice about …? (CU)2,3,4 Exploring MaterialsHow do you know there are 20? (RL)4 Eleven FruitsAssessmentHow many of each could you have? How would you arrange 6 dots on a paper so it is easy to count? (RL)Investigation 4: Addition and Subtraction1 Introducing Combining SituationsIs your answer going to be more or less than the separate amounts you started with? (CU, SP)2 Measuring with Hands and FeetWhich measurement do you think was most accurate?
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