# 7th Grade EXPRESSIONS AND EQUATIONS Solve The Mystery Thanksgiving Task Cards

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(50 MB|62 pages)
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I am excited to share this Thanksgiving MYSTERY CHALLENGE activity with you and your students! You will begin this activity by reading a short story that will challenge your students to solve the case of the missing pumpkin pie. They will have to find out who took the pie, when they took it, and where they put it. To solve the case, students will work to complete 9 different task cards. The task cards are based on the 7th grade expression and equation standards. Once they complete a task card, they will receive a clue. After they have all 9 clues, they will be able to solve the mystery. As a fun culmination, there are awards, you could bring in a bucket of candy, or both! This is similar to the who dunnit activities.

• Directions
• Who, When, and Where Posters (6 pages)
• Case of the Missing Pumpkin Pie Letter (color and b & w)
• Posters (15 pages)
• 9 Task cards (color and b & w)
• Student Journals and answer sheet (3 pages)
• Clues (11 pages)
• Student Awards (color and b & w)

Content Covered

• Simplifying expressions
• Solving one-step equations
• Writing and solving equations from word problems
• Solving two-step equations
• Solving multi-step equations
• Solving equations using the distributive property
• Solving equations by combining like terms
• Solving equations with variables on both sides
• Solving and graphing inequalities
• Writing and solving inequalities from word problems

Some fun ways to connect....

FOLLOW MY JOURNEY AT MY BLOG.

Solve word problems leading to inequalities of the form π±πΉ + π² > π³ or π±πΉ + π² < π³, where π±, π², and π³ are specific rational numbers. Graph the solution set of the inequality and interpret it in the context of the problem. For example: As a salesperson, you are paid \$50 per week plus \$3 per sale. This week you want your pay to be at least \$100. Write an inequality for the number of sales you need to make, and describe the solutions.
Solve word problems leading to equations of the form π±πΉ + π² = π³ and π±(πΉ + π²) = π³, where π±, π², and π³ are specific rational numbers. Solve equations of these forms fluently. Compare an algebraic solution to an arithmetic solution, identifying the sequence of the operations used in each approach. For example, the perimeter of a rectangle is 54 cm. Its length is 6 cm. What is its width?
Use variables to represent quantities in a real-world or mathematical problem, and construct simple equations and inequalities to solve problems by reasoning about the quantities.
Solve multi-step real-life and mathematical problems posed with positive and negative rational numbers in any form (whole numbers, fractions, and decimals), using tools strategically. Apply properties of operations to calculate with numbers in any form; convert between forms as appropriate; and assess the reasonableness of answers using mental computation and estimation strategies. For example: If a woman making \$25 an hour gets a 10% raise, she will make an additional 1/10 of her salary an hour, or \$2.50, for a new salary of \$27.50. If you want to place a towel bar 9 3/4 inches long in the center of a door that is 27 1/2 inches wide, you will need to place the bar about 9 inches from each edge; this estimate can be used as a check on the exact computation.
Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, π’ + 0.05π’ = 1.05π’ means that βincrease by 5%β is the same as βmultiply by 1.05.β
Total Pages
62 pages
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Teaching Duration
N/A
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