1

STANDARDS

Problem 1

Problem 4

Problems 3

Problem 2

Problem 5

Problem 6

FINDING THE DISCOUNT OF A PRICE

AND

THE COMMISSION OF A SALE.

END SHOW

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2

1.3 Convert fractions to decimals and percents and use these representations in estimations, computations and applications.

1.3 Convertir fracciones a decimales y porcentajes y usar estas representaciones en estimaciones, cálculos y aplicaciones.

GRADE 7: Number Sense

1.7 Solve problems that involve discounts, markups, commissions, and profit and compute simple and compound interest.

1.7 Resolver problemas que involucran descuentos, comisiones, y ganancias y a calcular interés simple y compuesto.

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3

STANDARDS

A department store is selling 49’s shirts for $13.0 with a 34% off. How much is the discount in dollars?

34100

$13 = 0.34 x $13

= $4.42

$4.42 is the 34% OFF the regular price.

What is the price after the discount?

$13.00 Original price– 4.42 Discount in dollars

$ 8.58 Price after 34% discount

34% are 34 hundredths of $13

Calculating the discount:

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4

STANDARDS

A disc from “Banda Los Bravos de Fresno” is on sale with 44% OFF the regular price of $15.0. What is the final sale price?

44100

$15 = 0.44 x $15

= $6.6

$6.6 is the 44% OFF the regular price.

What is the price after the discount?

$15.0 Original price– 6.6 Discount in dollars

$ 8.4 Final Price after 44% OFF

44% are 44 hundredths of $15

Calculating the discount:

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5

STANDARDS

The tickets for a Football game are on sale, at 5%OFF the original price of $25. What is the price per ticket after the discount?

5100

$25 = 0.05 x $25

= $1.25

$1.25 is the 5% OFF the regular price.

What is the price after the discount?

$25.00 Original price– 1.25 Discount in dollars

$ 23.75 Cost per ticket after the 5% OFF

5% are 5 hundredths of $25

Calculating the discount:

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6

STANDARDS

A prestigious university is offering a discount in tuition to minority students. The discount is 80% OFF the $550.0 per unit. What is the cost per unit after the discount?

810 $550 = 0.8 x $550

= $440

$440 is the 80% OFF the regular cost per unit.

What is the cost per unit after the discount?

$550 Original cost per unit– 440 Discount in dollars

$ 110 Cost per unit after the 80% OFF

80% are 8 tenths of $550

Calculating the discount:

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7

STANDARDS

A group of students is fundraising by selling Milk Chocolates for $10 a box. They are promised a 17% commission per box. What is the commission they would be making in dollars out of each box?

17100

$10 = 0.17 x $10

= $1.7

$1.7 is the 17% they will making out of each book they sell.

17% are 17 hundredths of $10

Calculating the commission:

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8

STANDARDS

A young student is paying his tuition by selling cars during the mornings in a car lot near his college. He sold a used car in $8,700.0 and he was given a 3% commission for the sale. How much money did he get in the deal?

3100 $8,700 = 0.03 x $8,700

= $609

$609 is the 3% that the student got as commission from the used car deal.

3% are 3 hundredths of $8,700.0

Calculating the commission:

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