Subtraction Review Math Mystery Activity - Subtracting within 100
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Description
In this Subtraction Math Mystery Activity – The Case of The Dream Snatcher 2nd Grade Edition – students will practice subtraction skills (numbers within 1,000) to solve this mystery nightmare! This fun and engaging math activity will motivate your students during math time.
Easy prep! Just Print & Solve! Or go paperless with the Google Slides option provided within your download.
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⭐Optional video hook included for introducing the case! (Check it out in the preview section)
⭐BONUS: Ending video added to wrap up the case!
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Preparation
- Print the student pages, staple or place in a folder, and your students are set to go.
- Have the video hook ready for viewing at the start of the lesson on an IWB, iPad or computer monitor screen.
- Digital option: Make digital copies of the Google Slides before assigning to Google Classroom
- Editable hideouts list included: This enables you to change the location names and alter the mystery outcome. Two alternative pre-made lists also included for a quick swap out.
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⭐Math Skills Required to Unlock Clues⭐
There are five clues to crack to solve the mystery:
- Clue 1: Subtraction within 20
- Clue 2: Subtracting 1-digit numbers from 2-digit numbers (no regrouping)
- Clue 3: Subtraction Word Problems (within 20 only)
- Clue 4: Subtraction Input/Output Tables (within 100),
- Clue 5: Subtraction within 100 (Regrouping required in the second and third row of questions. Mix of 1-digit from 2-digit numbers, and 2-digit from 2-digit numbers.
Students must use critical thinking skills to figure out what the clue is telling them to eliminate from the list of possibilities.
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Multiple Uses
- Suitable for independent, pairs, or group work.
- Use as part of your math centers, add to your sub tubs, make it part of your early finisher tasks, give for homework, or make it part of your classroom practice/review sessions.
I recommend pacing this activity by giving students one clue at a time. Once the whole class has completed a clue, then move on to the next clue either within the same lesson or the next math session. New math content presented? Make a lesson out of it by modeling the math before diving into the clue. I like to say, "we must learn something new before attempting the next clue."
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How long will this activity take?
Time to complete will vary anywhere between 30mins - 2 hours or more! It mainly depends on how familiar your students are with the math mystery format, as well as how difficult they find math skills covered in the particular mystery. Please check the math skills outlined in the clues above to help determine suitability for your class.
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You may also be interested in:
Addition Math Mystery: Case of The Angry Adder (GRADE 2)
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The Case of the Dream Snatcher is available in other grade levels. Check out the editions below to see the difficulty of math skills involved in each. Same clue pages are interchangeable with the other grade levels so that you can differentiate this mystery activity.
- 2nd Grade Edition - Case of the Dream Snatcher
- 3rd Grade Edition - Case of the Dream Snatcher
- 4th Grade Edition - Case of the Dream Snatcher
- 5th Grade Edition - Case of the Dream Snatcher
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Add extra motivation with this Detective Rank Chart Download the Mystery Record & Rank Chart FREEBIE HERE
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Bundle and Save!
COMPLETE Math Mystery Bundle for GRADE 2
HOLIDAY Math Mystery Bundle {GRADE 2}
SEASONS Math Mystery Bundle Pack (GRADE 2)
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Not sure what a math mystery is? CLICK HERE to watch a video about Math Mysteries or read this blog post: What is a Math Mystery?
Read Blog Post: FIVE Easy Ways to use Math Mysteries in your Classroom.
TRY A FULL FREE MATH MYSTERY HERE (GRADES 1 - 6 DIFFERENTIATED BUNDLE)
Check out this blog post to save paper:
How to Create Reusable Math Mystery Files to Save Paper
Browse the range of 2nd Grade Math Mysteries HERE.
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Mrs. J.
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