Submit Corrections

Unit 1, Lesson 11, Activity 3. The IQR for restaurant A is 2.5.

Unit 1, Lesson 15, Activity 1. Corrected the table so the third column is labeled "too high."

Unit 2, Lesson 10, Activity 1. Added "Which one doesn't belong?" to the statement and updated formatting on image lettering.

Unit 2, Lesson 14, Activity 2. The solution for question 3 now uses the variable \(t\) instead of \(r\).

Unit 2, Lesson 15, Activity 3. In the statement for Jada's situation, the question is updated to, "...2 dollar coins weigh 16.2 grams?" and the solution to say, "...16.2 more grams."

Unit 2, Lesson 26, Activity 2. Added \(x=1\) to the statement, "She saw that when \(x=1\), \(10-3(1)=7\)."

Unit 3, Lesson 2, Activity 2. Added a % to the second sentence of the fourth question.

Unit 3, Lesson 8, Activity 2. The order of the graphs in the student statement was incorrect. Graph A is the one referencing sleep and energy, graph B references hair and energy, graph C references school events and videos, and graph D references temperature and watermelon.

Unit 4, Lesson 12, Activity 2. Question 2 now says the child is 35 months old. The solution to 3b is 0, 4, 6, 9, 10.

Unit 4, Lesson 18, Activity 2. Question 2 now clarifies that the rate of change should be between days 9 and 10.

Unit 5, Lesson 1, Activity 2. The way Tyler was saving money did not match the values given in the table and solution. The prompt has been updated to show that Tyler saved \$2 the first two weeks and doubled the amount saved each week thereafter.

Unit 5, Lesson 2, Activity 3. Updated the downloadable cards so that the "Verbal B" card now ends, "\(x\) represents number of days. \(y\) represents money in dollars in her piggy bank."

Unit 5, Lesson 3, Activity 2. In the "expanded" column, the multiplication symbols were missing from the fractions.

Unit 5, Lesson 6, Activity 2. The solution to the first figure is corrected to \(7 \div 14 = \frac{1}{2}\)

Unit 6, Lesson 1, Activity 2. The third question now asks for a rectangle with the same perimeter and greater area than the previous answer.

Unit 6, Lesson 4, Activity 2. The first question referred to the equation \(3x^2\) instead of \(3 \boldcdot 6^x\). The question is updated to \(3 \boldcdot 6^x\) to match the table and solution.

Unit 6, Lesson 9, Activity 1. Updated instructions to, "...each group all have the same value."

Unit 6, Lesson 9, Activity 2. In the solution for question 3, the last term of the first expression is \(5 \boldcdot \text-m\)

Unit 6, Lesson 11, Activity 2. Updated image to have labels for the function and y-axis.

Unit 6, Lesson 12, Activity 2. Removed redundant "of \(x\)" from question 3d.

Unit 6, Lesson 14, Activity 3. Added "...with \(x\) representing time in seconds." to the end of the second sentence.

Unit 6, Lesson 17, Activity 1. The instructions now refers to triangle \(PQR\). The sample response for A is updated to, " not an identical copy."

Unit 7, Lesson 2, Activity 1. Updated wording of second sentence in the task statement.

Unit 7, Lesson 6, Activity 2. Updated second question to clarify area mentioned.

Unit 7, Lesson 8, Activity 3. Clarified instructions for the task.

Unit 7, Lesson 12, Activity 3. The solution to 2h is 6.

Unit 7, Lesson 19, Activity 1. The first equation now appears only once and the last sentence of the solution is updated to, "The second line should be..."

Unit 7, Lesson 19, Activity 2. Clarified that \(a\) is an integer in the last question.

Unit 7, Lesson 22, Activity 3. Changed 1b to end, "...sketch the graph of this function."

Lesson Numbering for Learning Targets

In some printed copies of the student workbooks, we erroneously printed a lesson number instead of the unit and lesson number. This table provides a key to match the printed lesson number with the unit and lesson number.

Lesson Number Unit and Lesson Lesson Title