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2nd Grade Beginning of the Year Activity - Back to School Math Mystery Game

Rated 4.88 out of 5, based on 577 reviews
4.9 (577 ratings)
;
Mrs J's Resource Creations
31.2k Followers
Grade Levels
1st - 3rd, Homeschool
Resource Type
Standards
Formats Included
  • Zip
  • Google Apps™
Pages
16 pages
$4.50
$4.50
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Mrs J's Resource Creations
31.2k Followers
Includes Google Apps™
The Teacher-Author indicated this resource includes assets from Google Workspace (e.g. docs, slides, etc.).
Easel Activity Included
This resource includes a ready-to-use interactive activity students can complete on any device.  Easel by TPT is free to use! Learn more.

What educators are saying

This was a great resource for independent work while testing my students at the beginning of the year.
Loved that it helped with reviewing standards and the kids love the mystery great ice breaker to get to know your kids.
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Description

Back to School Math Mystery: the Case of The School Invaders -2nd Grade Edition. Students must review math skills from the previous grade to help get rid of the stinky, slimy Geometron aliens invading Mathhattan Elementary School!

Easy prep!

  • Printable PDF - print, copy, solve!
  • Digital worksheets with Google Slides or EASEL

Students must use their math skills to unlock clues. The clues will help them eliminate locations to find where the aliens' transponder is!

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Optional video hook included for introducing the case!

CLICK HERE FOR VIDEO HOOK! or check out in the preview section.

⭐Due to several requests, now there is the option to use a video hook that says TARGET: 'Your School' instead of TARGET: Mathhattan Elementary. I've added an editable story page for you to add your school's name in the reading section too.

Ending Video Clip also included to wrap up the mystery!

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Math Skills Required to Unlock Clues

There are five clues to crack to solve the mystery:

  • Clue 1: Adding 1 (Numbers 1-12)
  • Clue 2: Subtracting 1, 2, and 3 (From Numbers 1-15)
  • Clue 3: Comparing Numbers (Circle the greater number out of the two given. This starts off with low numbers and ends with a few larger numbers.)
  • Clue 4: Ordering Numbers (Numbers 1 - 25)
  • Clue 5: Adding Doubles

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

- Consolidation

- Practice and Review

- Math Centers

- Early Finishers

- Substitute Teachers

- Assessment for learning

- Homework

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How long will this activity take?

Time to complete varies depending on your student's familiarity with the math mystery format and the skills required to unlock clues. You can pace it out by completing one clue a day --> there are five clues!

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If you would like more challenging math skills, select a higher grade-level version of this mystery.

This Back to School Math Mystery activity is also available for the other grade levels listed below:

Case of the School Invaders - Grade 1

Case of the School Invaders - Grade 2

Case of the School Invaders - Grade 3

Case of the School Invaders - Grade 4

Case of the School Invaders - Grade 5

Case of the School Invaders - Grade 6

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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

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


Browse the 2nd Grade Range:

>>Download the FREE 2nd Grade Math Mystery Checklist here<<

>> CLICK HERE to follow my store <<

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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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>>CLICK HERE to follow my store <<

Thank you!

Mrs. J.

© 2018

Total Pages
16 pages
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 - 8 = 4); and creating equivalent but easier or known sums (e.g., adding 6 + 7 by creating the known equivalent 6 + 6 + 1 = 12 + 1 = 13).

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