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Craft Fair Sales: Students’ Jewelry and Math Challenge

Discover how students at JH Williams School are using their craft fair to sell handmade necklaces, bracelets, and rings! Harry calculated that they had 6 necklaces short of 5 dozen, with 30 more rings than necklaces and a dozen fewer bracelets than rings. Learn how to solve this math puzzle, which demonstrates ratios and percentages, and how many boxes of each item they packed. This engaging lesson combines creativity with practical math skills, perfect for understanding fractions and percentages.

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Craft Fair Sales: Students’ Jewelry and Math Challenge

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  1. Craft Fair Sales • The students at the JH Williams School Craft Fair are selling necklaces, bracelets, and rings. Harry counted the necklaces and found that there were 6 short of 5 dozen. The students had 30 more rings than necklaces and a dozen fewer bracelets than rings. • When packed in boxes holding 6 items per box, how many boxes of each item did they have?

  2. Answer • Necklaces: 9 boxes of necklacesRings: 14 boxes of ringsBracelets: 12 boxes of bracelets

  3. Lesson 5-5 Fractions and Percents

  4. Words to Know • Ratio: a comparison of two numbers by division. Ratios can be written in several different ways. 34 34 out of 50 34:50 50 • Percent: a ratio that compares a number to 100. 48 to 100 is the same as 48 % • Ratio: a comparison of two numbers by division. Ratios can be written in several different ways. 34 34 out of 50 34:50 50 • Percent: a ratio that compares a number to 100. 48 to 100 is the same as 48 %

  5. Writing a Fraction as a Percent • You can write a fraction as a percent by finding an equivalent fraction with a denominator of 100. x 5 15 3 15 % = 20 100 x 5

  6. Your Turn • Change each fraction to a percent 17 3 2 20 5 25 85% 60% 8%

  7. Write a Percent as a Fraction • 48% = 48 100 Simplify the fraction: 48 24 12 100 50 25 = =

  8. Your Turn • Change each percent to a fraction in simplest form. • 40 % 6 % 24 % • 2 3 6 5 50 25

  9. Review • Find the GCF of 16 and 40 • Write the fraction as a decimal 7 8 • Write the decimal as a fraction in simplest form .6 • Write the fraction as a percent 4 5 • Write the percent as a fraction in simplest form 80%

  10. Homework • Complete lesson 5-5 # 2-24 even

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