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Published byBerenice Webster Modified over 9 years ago
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Module 2 Lesson 6 Connect area diagrams and the distributive property to partial products of the standard algorithm without renaming.
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5.OA.2 Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them. For example, express the calculation “add 8 and 7, then multiply by 2” as 2 × (8 + 7). Recognize that 3 × (18932 + 921) is three times as large as 18932 + 921, without having to calculate the indicated sum or product. 5.NBT.5 Fluently multiply multi-digit whole numbers using the standard algorithm. Common Core Standards
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Learning Targets I can connect visual models and the distributive property to partial products of the standard algorithm without renaming.
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Sprint A
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Activate Knowledge Write the multiplication sentence 21 × 100 = _____
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Activate Knowledge Write the multiplication sentence 21 × 100 = _____ 2100 x 4 = _____
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Activate Knowledge Write 21 × 400 as a three-step multiplication sentence, taking out the hundred. 21 × 100 = _____ 2100 x 4 = _____ 21 x 400 = _____
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Activate Knowledge Write the multiplication sentence 312 × 100 = _____
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Activate Knowledge Write the multiplication sentence 312 × 100 = _____ 31200 x 3 = _____
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Activate Knowledge Write 312 × 300 as a three-step multiplication sentence, taking out the hundred. 312 × 100 = _____ 31200 x 3 = _____ 312 x 300 = _____
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Activate Knowledge Write the multiplication sentence 2314 × 100 = _____
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Activate Knowledge Write the multiplication sentence 2314 × 100 = _____ 231400 x 2 = _____
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Activate Knowledge Write 2134 × 200 as a three-step multiplication sentence, taking out the hundred. 2314 × 100 = _____ 231400 x 2 = _____ 2314 x 200 = _____
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Activate Knowledge Draw an area model on your personal board and solve 43 x 12
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Activate Knowledge Draw an area model on your personal board and solve 243 x 12
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Activate Knowledge Draw an area model on your personal board and solve 312 x 12
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Activate Knowledge Scientists are creating a material that may replace damaged cartilage in human joints. This hydrogel can stretch to 21 times its original length. If a strip of hydrogel measures 3.2 cm, what would its length be when stretched to capacity?
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Learn Problem 1 64 × 73 Divide your personal board into two sections. On one side, we’ll solve with an area model, & on the other, the standard algorithm.
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Learn Problem 2 814 x 39 Divide your personal board into two sections. On one side, we’ll solve with an area model, & on the other, the standard algorithm.
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Learn Problem 3 624 x 82 Divide your personal board into two sections. On one side, we’ll solve with an area model, & on the other, the standard algorithm.
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Practice
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Review
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