6-8.WHST. 2.F Provide a concluding statement or section that follows from and supports the information or explanation presented. Assumptions about what students know and are able to do coming into this lesson (including language needs): Students know what a ratio is and that percent means out of 100. Students know how to simplify fractions, how to change percents to fractions and to decimals and how to multiply by fractions and decimals Outcome(s) By the end of this lesson students will know and be able to: Recognize that proportional reasoning involves comparisons of the relationships among ratios Solve problems (discounts, tax, percent decrease) Write equations to describe proportional relationships. Instructional Sunday circulars for grocery stores and farmer’s market price list paper, graph paper, journals Anticipated Student Preconceptions/Misconceptions 5% = .5 Discount = price Assessment Pre-assessment/ Formative (This be assigned as Summative (optional) homework. Choose some or all from the following.) 1. Represent 17% as a fraction. iPad Apps are on sale at 15% off. If the 2. Using 17%, write a statement: original price is $1.99 what is the discount ____ out ___ people prefer Crest Toothpaste. and what will you pay for the App, including 3. Convert several percents to fractions and decimals. Mass tax (6 ¼)? For example: ¾ = _____% = _______ as a decimal Specific to teacher: _______ as a fraction = 67% = _________ as a Teacher circulates and observes students decimal responding. ________ as a fraction = __________ as a Reinforce vocabulary percent = 0.05 Discount 4. ½ x ¼ = __________ Convert 5. 1.02 x 0.07 = _________ Apps 6. Does percent off (discount) mean the person pays less or more than the original price? 7. Sneakers are on sale at 15% off. If the original is $150, what is the discount and what will you pay for the sneakers?
6-8.WHST. 2.F Provide a concluding statement or section that follows from and supports the information or explanation presented. Assumptions about what students know and are able to do coming into this lesson (including language needs): Students know what a ratio is and that percent means out of 100. Students know how to simplify fractions, how to change percents to fractions and to decimals and how to multiply by fractions and decimals Outcome(s) By the end of this lesson students will know and be able to: Recognize that proportional reasoning involves comparisons of the relationships among ratios Solve problems (discounts, tax, percent decrease) Write equations to describe proportional relationships. Instructional Sunday circulars for grocery stores and farmer’s market price list paper, graph paper, journals Anticipated Student Preconceptions/Misconceptions 5% = .5 Discount = price Assessment Pre-assessment/ Formative (This be assigned as homework. Choose some or all from the following.) Summative (optional) 1. Represent 17% as a fraction. 2. Using 17%, write a statement: ____ out ___ people prefer Crest Toothpaste. 3. Convert several percents to fractions and decimals. For example: ¾ = _____% = _______ as a decimal _______ as a fraction = 67% = _________ as a decimal ________ as a fraction = __________ as a percent = 0.05 4. ½ x ¼ = __________ 5. 1.02 x 0.07 = _________ 6. Does percent off (discount) mean the person pays less or more than the original price? 7. Sneakers are on sale at 15% off. If the original is $150, what is the discount and what will you pay for the sneakers? iPad Apps are on sale at 15% off. If the original price is $1.99 what is the discount and what will you pay for the App, including Mass tax (6 ¼)? Specific to teacher: Teacher circulates and observes students responding. Reinforce vocabulary Discount Convert Apps