Who Stole Santa's Washing ? : A Christmas Secret Code Mystery

Who Stole Santa's Washing ? : A Christmas Secret Code Mystery
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(6 MB|32 pages)
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  1. Celebrate Christmas this year in an engaging way with these unique, no-prep, classroom activities, complete with answers for the Teacher. Just print and go. Who pinched the Christmas pudding Mystery Challenge and Who stole Santa's Washing are fun code and cipher challenges for middle school student
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Mysteries are exciting for students. My kids love them.

’Who stole Santa's Washing.’ is a no-prep original mystery that is sure to keep your students engaged and focused while giving you breathing space during the busy Christmas countdown. The mystery includes all the suspects, clues and answers for a fun classroom lesson for upper primary/ middle school students.

This thinking challenge is one of the series of secret code mysteries for students to solve either individually or as a group challenge. Great for supporting team building skills. The clues are based on mathematical codes and ciphers and as each clue is solved it eliminates a number of suspects until there is just one possibility left. All the answers are included.

In my own teaching practice, I print out the mystery and make booklets for the students to work on at the beginning of the week and I do not debrief with answers until three or four days later. Some students love to work on their own while others work together. This strategy allows for the students to work on the puzzles at their own rate and to think about possible strategies. It also encourages collaboration. Each mystery includes a range of problem difficulty.

No prep. Just print and solve.

You might also be interested in another mystery from my store.

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Log in to see state-specific standards (only available in the US).
Make sense of problems and persevere in solving them. Mathematically proficient students start by explaining to themselves the meaning of a problem and looking for entry points to its solution. They analyze givens, constraints, relationships, and goals. They make conjectures about the form and meaning of the solution and plan a solution pathway rather than simply jumping into a solution attempt. They consider analogous problems, and try special cases and simpler forms of the original problem in order to gain insight into its solution. They monitor and evaluate their progress and change course if necessary. Older students might, depending on the context of the problem, transform algebraic expressions or change the viewing window on their graphing calculator to get the information they need. Mathematically proficient students can explain correspondences between equations, verbal descriptions, tables, and graphs or draw diagrams of important features and relationships, graph data, and search for regularity or trends. Younger students might rely on using concrete objects or pictures to help conceptualize and solve a problem. Mathematically proficient students check their answers to problems using a different method, and they continually ask themselves, "Does this make sense?" They can understand the approaches of others to solving complex problems and identify correspondences between different approaches.
Apply knowledge of language to understand how language functions in different contexts, to make effective choices for meaning or style, and to comprehend more fully when reading or listening.
Total Pages
32 pages
Answer Key
Teaching Duration
45 minutes
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