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# Valentine's Day Math Mystery Game 2nd Grade Math Worksheets CSI Activity

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#### Product Description

Valentine's Day Math Mystery Activity - 2ndGrade Edition.

The Case of the Heartbroken Heroes

Students must use their math skills to unlock clues. Then, use their powers of deduction to narrow down the list of suspects to find the Valentine Villain and rescue the kidnapped pets!

Suggestion: Pace the clues one by one to keep the class at the same point. If using the clues in a different order, keep the suspect list away from students until all five clues are completed and discovered.

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Optional VIDEO HOOK available to use to introduce students to this math mystery activity. Check out the preview section to view the video. Separate video link to come soon.

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Preparation

- No Prep required! 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.

- Editable Suspects list will be updated to this file soon.

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Math Skills Required to Unlock Clues

There are five clues to crack to solve the mystery:

Clue 1: Adding 10 to double-digit numbers

Clue 2: Subtracting 10 from double-digit numbers

Clue 3: Ordering Numbers (less than 100)

Clue 4: Place Value Block Models (Write the number)

Clue 5: Price Lists (Adding single-digit whole number prices. Two items to add together in each order. )

Students must use critical thinking skills to figure out what the clue is telling them to eliminate from the list of possibilities. This is a great opportunity for a class/group discussion if there is ever a dispute in the deductive reasoning process.

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Multiple Uses

- Suitable for independent, pairs, or group work.

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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MORE versions of this math mystery title are in the making and will be available soon.

Currently available for:

3rd Grade Edition - Case of the Heartbroken Heroes Math Mystery

It is also available in a CSI Digital Mystery Game format that can be played on any device with an Internet Connection. CLICK HERE to learn more.

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Add extra motivation with this Detective Rank Chart Download the Mystery Record & Rank Chart FREEBIE HERE

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You may also be interested in these other Valentine's Day Resources:

Valentine's Day Math Mystery: Case of the Heartbreak Hitman

Valentine's Day Reading Mystery: Once Upon a Crime, Poisoned Valentine

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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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TRY A FULL FREE MATH MYSTERY HERE (GRADES 1 - 6 DIFFERENTIATED BUNDLE)

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For more ideas, activities, and resources, follow my store (by clicking the little green star) to stay updated on new releases. We can also stay connected via:

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Thank you!

Mrs. J.

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