7th Math 4.16

Last updated over 2 years ago

6 questions

7th Math 4.16

Last updated over 2 years ago

6 questions

Math - [Lesson 4.16]
Teacher: Mr. Kovalik (408) 314-1092
Objective and Summary:
SWBAT write algebraic expressions and equations to solve population percent problems

Churchills, 2026--30% of the homeroom are girls and 70% of the homeroom are boys. If 10% of the girls play soccer and 50% of the boys play soccer, what percent of all Churchills play soccer?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately models with a visual
#3: Accurately calculates the percent of the population

Purple Prize--Prize is 50% boys and 50% girls. In a schoolwide survey, 25% of boys chose purple as their favorite color. 10% of girls chose purple as their favorite color.

What percent of all students at Prize say purple is their favorite color?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately models with a visual
#3: Accurately calculates the percent of the population

Diagram optional for this question.

Caffeine--90% of all teachers at Prize drink coffee or tea in the morning. The rest only drink water. Of the teachers who drink coffee or tea in the morning, 30% go to Starbucks instead of making their own beverage at home.

What percent of all teachers go to Starbucks in the morning?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately models with a visual
#3: Accurately calculates the percent of the population

Diagram optional for this question

Life of Pets--On Angel's block, 65% of his neighbors do not have any pets and 35% of his neighbors own at least one pet.
Of the neighbors who own at least one pet, 50% have two or more pets in their house.

What percent of neighbors on his block own two or more pets?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately calculates the percent of the population

SPICY--Try if you have time (optional)

Sheltered--In a shelter that is occupied by 55% dogs and 45% cats, 60% of the animals are brought in by concerned people who found these animals in the streets.
If 90% of the dogs are brought in by concerned people, what is the percent of cats that are brought in by concerned people?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately calculates the percent of the population

Awesome way to end the unit! Push ahead on some more IXL skills to get yourself ready for the next set of interims!

Data--Ms. Lugo collected data on Prize's reteaching program. Out of all the students in reteaching, 45% are girls and 55% are boys.
24% of the girls are in math reteaching, while 40% of the boys are in math reteaching.

What percent of all students in reteaching are there for math help?

CFS:
#1: Clearly defines a variable for the population
#2: Accurately models with a visual
#3: Accurately calculates the percent of the population