7th Math 1.11 Classwork B (9/9/22)

Last updated over 2 years ago
4 questions

Math - [Lesson 1.11]

Teacher: Mr. Kovalik (408) 314-1092


Objective and Summary:
SWBAT compute unit rates from ratios of fractions
1

Homeroom Comp--Two students in your homeroom want to see who can be the fastest dabber. They get someone to time them in a contest during the break.


a) Who is the fastest dabber? Explain with mathematical evidence.

"___________ is the fastest dabber because..."

CFS:
#1: Accurately sets up unit rate with division in the correct order
#2: Includes accurate units ( y per x)

1

Which of the following is the correct unit rate for the expression below?

CFS:
#1: Accurately changes mixed number to improper fraction
#2: Uses accurate division strategy

MEDIUM Problems
1

PE Test--Marcus thinks he can beat Mr. Hernandez in a race around the track. Mr. Hernandez already knows he can run 3 laps per minute.
Marcus knows that he can run \frac{9}{16} of a lap in \frac{3}{8} of a minute.

Who is faster? Explain with mathematical evidence.

"____________ is faster because..."

CFS:
#1: Accurately sets up unit rate with division in the correct order
#2: Includes accurate units ( y per x)

4

Bacon--Ali likes eating bacon for breakfast. She's deciding between going to Target and Whole Foods for her bacon. The two stores sell the exact same brand of bacon.

Target has the bacon for $2.25 per pound.
At Whole Foods, Ali sees that she could pay $6\frac{1}{4} for 2\frac{1}{2} pounds of bacon.

Which store sells the bacon for a better value? Explain with mathematical evidence.

CFS:
#1: Accurately sets up unit rate with division in the correct order
#2: Includes accurate units ( y per x)

Improper Fractions and Mixed Numbers
Divide Fractions I
Divide Fractions II