Unit 4, Lesson 15
World’s Record Noodle Soup
Grade 5
Warm-up
What do you notice? What do you wonder?
A Chinese food company holds the world’s record for making the longest noodle. The noodle measured about 10,119 feet.
Student Section Summary
We learned how to divide multi-digit whole numbers. To find a quotient such as , we break 448 into multiples of 16 and then add these partial quotients.
Then we used a familiar way to record these calculations.
Divide. four hundred forty eight divided by 16, 11 rows. First row: 28. Second row: 3. Third row: 5. Fourth row: 20. Fifth row: 16, long division symbol with four hundred forty eight inside. Sixth row: minus three hundred twenty. In parentheses, 20 times 16. Horizontal line. Seventh row: one hundred twenty eight. Eighth row: minus 80. In parentheses, 5 times 16. Horizontal line. Ninth row: 48. Tenth row: minus 48. In parentheses, 3 times 16. Horizontal line. Eleventh row: 0.