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Topic E m ultiplying decimals

Topic E m ultiplying decimals. STANDARD - 5.NBT.2, 5.NBT.3, 5.NBT.7. Grade 5 Module 1 Lesson 11. Objective:

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Topic E m ultiplying decimals

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  1. Topic E multiplying decimals STANDARD - 5.NBT.2, 5.NBT.3, 5.NBT.7

  2. Grade 5 Module 1 Lesson 11 Objective: Multiply a decimal fraction by single-digit whole 
numbers, relate to a written method through 
application of the area and place value 
understanding, and explain the reasoning used.

  3. MATERIALS NEEDED FOR THIS LESSON Student Student Pages Problem Set Exit Ticket Homework Place Value Chart Personal White Boards Teacher Teacher Pages

  4. Fluency Practice(10 minutes)

  5. Take Out the Unit 4 minutes 5.NBT.1 1.234 = _________ thousandths Say the number: 65.247 76.358 = 7 tens _____ thousandths

  6. 76.358 = 736 tenths _________ thousandths 76.358 = _________ hundredths 8 thousandths

  7. Add and Subtract Decimals 6 minutes 5.NBT.7 7258 thousandths + 1 thousandth = 7 ones 258 thousandths + 3 hundredths = 7258 thousandths + 1 thousandth =

  8. 7 ones 258 thousandths + 4 tenths = 6 ones 435 thousandths + 4 hundredth =

  9. 2 ones 37 thousandths + 5 tenths = 6 ones 35 hundredths + 7 thousandths =

  10. 4 ones 8 hundredths - 2 ones = ___ ones ___ hundredths 9 tenths - 7 thousandths - 4 thousandths =

  11. 4 ones 582 thousandths - 3 hundredths = 9 ones 708 thousandths - 4 tenths =

  12. 4 ones 73 thousandths - 4 hundredths =

  13. Application Problem (5 minutes) After school, Marcus ran 3.2km and Cindy ran 
1.95km. Who ran farther? How much farther?

  14. Concept Development (35 minutes)

  15. Problem 1 Multiplying decimals 3 x 0.2 ones tenths

  16. Problem 2 Multiplying decimals 3 x 0.3 ones tenths

  17. Problem 3 Multiplying decimals 4 x 0.3 ones tenths

  18. Problem 4 Multiplying decimals 2 x 0.43 ones tenths hundredths 4 tenths + 3 hundredths 2 0.8 + 0.06 = 0.86

  19. Problem 5 Multiplying decimals ones tenths hundredths thousandths 2 x 0.423 4 tenths + 2 hundredths + 3 thousandths 4 hundredths 2 8 tenths 6 thousandths 1.2 + 0.04 + 0.006 = 0.846

  20. Problem 6 Multiplying decimals ones tenths hundredths thousandths 4 x 0.423 4 tenths + 2 hundredths + 3 thousandths 8 hundredths 4 16 tenths 12 thousandths 1.6 + 0.08 + 0.012 = 1.692

  21. Problem 7 Multiplying decimals 6 x 1.21 1 one + 2 tenths + 1 hundredth 6 6 ones 6 hundredths 12 tenths 6 + 1.2 + 0.06 = 7.26

  22. Problem 7 Multiplying decimals 7 x 2.41 2 one + 4 tenths + 1 hundredth 7 14 ones 7 hundredths 28 tenths 14 + 2.8 + 0.07 = 16.87

  23. Problem 7 Multiplying decimals 8 x 2.34 2 one + 3 tenths + 4 hundredth 8 16 ones 32 hundredths 24 tenths 16 + 2.4 + 0.32 = 18.72

  24. Problem Set (10 minutes) Do Your Personal Best (Complete independently!)

  25. Student Debrief (10 minutes) Compare #1c and 1d. #3 students share work and articulate which 
units are being multiplied and composed 
into larger ones.

  26. EXIT TICKET (3 minutes) Complete the exit ticket and turn in...

  27. HOMEWORK

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