Student Achievement Chart (SAC)
Standard(s):
Content: 7.RP.3 – Use proportional relationships to solve multistep ratio and percent problems.
Examples: simple interest, tax, markups, and markdowns, gratuities and commissions, fees,
percent increase and decrease, and percent error.
Literacy (6-12): Craft & Structure – Interpret words and phrases as they are used in a text,
including determining technical, connotative, and figurative meanings, and analyze how
specific word choices shape meaning or tone.
Objective/LT for Pre-assessment:
Leaming Target: I can calculate and interpret percent error, with an accuracy of 3 out of 4 times.
Objectives: Students will be able to …
calculate the actual value when given the percent error by organizing the given information
appropriately with an accuracy of 3 ( out of 4) or better.
calculate the percent error when given the actual value by organizing the given information
appropriately with an accuracy of 3 ( out of 4) or better.
draw conclusions about the percent error, actual value, and accepted value in the context of the
situation by analyzing various real-world applications with an accuracy of 3 ( out of 4) or
better.
Objective/LT for Post-assessment:
Leaming Target: I can calculate the discount, sales price, and original price of items, and compare the two
to determine the difference, at least 3 out of 5 times.
Objectives: Students will be able to …
interpret word problems by organizing key information in word problems; at least 2-3 key
pieces of information for setting up the proportions.
calculate the sale price; (1) Relating clue words in the word problems, (2) Recalling the
Percentage Formula, (3) Setting up the proportion appropriately [substituing in the given
values], ( 4) Solving for the variable in the proportion; Mastery is an accuracy of 3 ( out of 4) or
better.
calculate the original price; (1) Relating clue words in the word problems, (2) Recalling the
Percentage Formula, (3) Setting up the proportion appropriately [substituing in the given
values], ( 4) Solving for the variable in the proportion; Mastery is an accuracy of 3 ( out of 4) or
better.
calculate the discount;(!) Relating clue words in the word problems [Discount is subtraction],
(2) Recall the Percentage Formula, (3) Setting up the proportion appropriately [substituing in
the given values], (4) Solving for the variable in the proportion, (5) Subtracting the discount
from the original; Mastery is an accuracy of 4 ( out of 5) or better.
Description of Student Work in Each
A Mastery Levels Mastery Category
ssessment
Data Outcomes:
