Unit 4, Lesson 13
Practice a Partial-Quotients Algorithm
Grade 5
Warm-up
Which Three Go Together: Different Ways
Which 3 go together?
Divide. one thousand three hundred twelve divided by 82, 4 rows. First row: 1. Second row: 5. Third row: 10. Fourth row: 83, long division symbol with one thousand three hundred twelve inside.
Activity 1
Find the Mistake
Describe the error(s) in each problem. Then find the correct whole-number quotient.
Divide. one thousand six hundred fifty six divided by 46, 11 rows. First row: 29. Second row: 4. Third row: 5. Fourth row: 20. Fifth row: 46, long division symbol with one thousand six hundred fifty six inside. Sixth row: minus nine hundred twenty. Horizontal line. Seventh row: four hundred thirty six. Eighth row: minus two hundred thirty. Horizontal line. Ninth row: two hundred six. Tenth row: minus one hundred eighty four. Horizontal line. Eleventh row: 22.
Divide. nine hundred seventy two divided by 18, 8 rows. First row: 64. Second row: 4. Third row: 60. Fourth row: 18, long division symbol with nine hundred seventy two inside. Fifth row: minus nine hundred. Horizontal line. Sixth row: seventy two. Seventh row: minus seventy two. Horizontal line. Eighth row: 0.
Divide. seven hundred forty four divided by 24, 9 rows. First row: two hundred eleven. Second row: 1. Third row: 10. Fourth row: two hundred. Fifth row: 24, long division symbol with seven hundred forty four inside. Sixth row: minus four hundred eighty. Horizontal line. Seventh row: two hundred sixty four. Eighth row: minus two hundred forty. Horizontal line. Ninth row: 24.
Activity 2
Practice Problems
Find the value of each expression. Then have a partner review your work.
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