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Module 2 Lesson 12. Multiply decimal fractions by multi-digit whole numbers through conversion to a whole number problem and reasoning about the placement of the decimal. Common Core Standards.

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## Module 2 Lesson 12

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**Module 2 Lesson 12**• Multiply decimal fractions by multi-digit whole numbers through conversion to a whole number problem and reasoning about the placement of the decimal.**Common Core**Standards 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.**I can multiply decimal fractions by multi-digit whole**numbers through conversion to a whole number problem and reasoning about the placement of the decimal. Learning Targets**Activate**Knowledge 12 in = ___ ft.**Activate**Knowledge 24 in = ___ ft.**Activate**Knowledge 36 in = ___ ft.**Activate**Knowledge 48 in = ___ ft.**Activate**Knowledge 120 in = ___ ft.**Activate**Knowledge 1 ft = ___ in.**Activate**Knowledge 2 ft = ___ in.**Activate**Knowledge 2.5 ft = ___ in.**Activate**Knowledge 3 ft = ___ in.**Activate**Knowledge 3.5 ft = ___ in.**Activate**Knowledge 4 ft = ___ in.**Activate**Knowledge 4.5 ft = ___ in.**Activate**Knowledge 9 ft = ___ in.**Activate**Knowledge 9.5 ft = ___ in.**Activate**Knowledge 27 ft = ___ in.**Activate**Knowledge 27.5 ft = ___ in.**Activate**Knowledge Say the number as a decimal 8 tenths Zero point eight**Activate**Knowledge Say the number as a decimal 35 tenths**Activate**Knowledge Say the number as a decimal 45 tenths**Activate**Knowledge Say the number as a decimal 85 tenths**Activate**Knowledge Say the number as a decimal 83 tenths**Activate**Knowledge Say the number as a decimal 63 tenths**Activate**Knowledge Say the number as a decimal 47 tenths**Activate**Knowledge Say the number as a decimal 8 hundredths**Activate**Knowledge Say the number as a decimal 10 hundredths**Activate**Knowledge Say the number as a decimal 20 hundredths**Activate**Knowledge Say the number as a decimal 30 hundredths**Activate**Knowledge Say the number as a decimal 90 hundredths**Activate**Knowledge Say the number as a decimal 95 hundredths**Activate**Knowledge Say the number as a decimal 99 hundredths**Activate**Knowledge Say the number as a decimal 199 hundredths**Activate**Knowledge Say the number as a decimal 299 hundredths**Activate**Knowledge Say the number as a decimal 257 hundredths**Activate**Knowledge Say the number as a decimal 463 hundredths**Activate**Knowledge Thirty-two cyclists make a seven day trip. Each cyclist requires 8.33 kg of food for the entire trip. If each cyclist wants to eat an equal amount of food each day, how many kg of food will the group be carrying at the end of day 5?**Learn**Estimate the product 2.31 x 22 Problem 1**Learn**Predict whether our estimate is greater than or less than the actual product. 2.31 x 22 Problem 1**Learn**Use an area model to find the product 2.31 x 22 Problem 1**Learn**Solve using the algorithm 2.31 x 22 Problem 1**Learn**Estimate the product 2.31 x 221 Problem 2**Learn**Predict whether our estimate is greater than or less than the actual product. 2.31 x 221 Problem 2**Learn**Use an area model to find the product 2.31 x 221 Problem 2**Learn**Solve using the algorithm 2.31 x 221 Problem 2**Learn**Estimate the product 2.31 x 201 Problem 3**Learn**Predict whether our estimate is greater than or less than the actual product. 2.31 x 201 Problem 3**Learn**Solve using the algorithm 2.31 x 201 Problem 3**Learn**Estimate the product 4.95 x 11 Problem 4

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