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for Mathematics

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for Addition and Subtraction

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3rd Grade Mental Math Addition and Subtraction

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Sinapore Mental Math Subtraction Strategies

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Compensation - Using Singapore Math to Add and Subtract

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Discussion and Supporting Materials

Discussion

Supporting Materials

Thought starters

1. Why is it helpful for students to discuss the mental images they formed?

2. Ms. Latimer takes multiple student answers to the same question. What effect does this have?

3. How could this lesson be connected with addition and subtraction?

4. See also Mathematical Practice Standard 7 in the CCSS?

Newest

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Quick Images: Visualizing Number Combinations

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Stephanie Latimer begins her lesson on quick images by showing students an image of eight objects. She shows the image for only three seconds, which discourages students from counting by ones. Students put their thumbs up when they think they know how many objects are shown in the image. Stephanie c…

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Teaching Channel

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Abstract

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SMP Posters