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Are you looking for a READY TO GO, NO-PREP engaging lesson or activity to keep your students engaged while you remediate or test this March? This St. Patrick’s Day math mystery crack the code is perfect for you …. PRINT AND GO! Students will enjoy solving clues to this 2nd grade review skills “Who Done It?” Available in color and black & white.
The Case of the Captured Leprechaun is about a leprechaun that has been caught at school causing trouble. The entire school is up in arms because the gold cannot be seen while the leprechaun is captured! But only the person who caught the leprechaun can release him. Who done it?
Students must use their math skills to eliminate suspects so they can find out who caught the leprechaun.
Math Skills Addressed:
★ Telling Time to five minutes
★ Fractions
★ Subtraction with regrouping
★ Graphing with logic questions
★ Expanded Form
Preparation
✓ PRINT AND GO! Staple all included pages in ANY order!
✓ Easy student understanding
How can I use this product?
• Independent work, group work, partners, sub tubs, math centers, early finishers or homework. The possibilities are endless!
• Use individually or as a packet.
How long will this activity take?
This activity is intended to be review. I would review the skills quickly before passing out the math mystery. I prefer to do these packets in partners. For me, it can take my class anywhere from 45 minutes to and hour on average.
20 pages included – 6 black & white version, 6 color version, 6 answer keys
How long does this activity normally take your class? Do they work independently, in pairs, or as a group? Thanks!
I teach 2nd grade so I usually do these in pairs. The high flyers should work independently – they will take about 45 minutes. Average students will take about an hour and a half. I usually do not do it in one sitting.
I don’t quite understand how to get the new number for the expanded form page. Can you give more clarification on how to find the number after writing the expanded form for each number? Thank you!
You may also want to read this while looking at the answer key. Write the expanded form of the 3 numbers given. Then look at the boxes that are grayed, take those numbers (which will be in expanded form) to create a new standard number. Do this for each suspect. The person with the highest NEW number was NOT the one to catch the leprechaun so you can cross him off your suspect list. So it would be Sharon here because her new number was 765. Hope that helps!
St Patricks Day Math Mystery 2nd Gr March Math Worksheets Crack the Code Math
$3.00
Grades: 1st – 3rd, Mostly used with 2nd
Subjects: Math
Format: PDF
Total Pages: 22
Answer Key: Included
Teaching Duration: 90 minutes
Common Core Standards:
CCSS2.MD.C.7
Tell and write time from analog and digital clocks to the nearest five minutes, using a.m. and p.m.
CCSS2.MD.D.10
Draw a picture graph and a bar graph (with single-unit scale) to represent a data set with up to four categories. Solve simple put-together, take-apart, and compare problems using information presented in a bar graph.
CCSS2.NBT.A.3
Read and write numbers to 1000 using base-ten numerals, number names, and expanded form.
CCSS2.NBT.B.7
Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
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Chrissy Christian –
My students loved this crack the code activity! It reviewed many of the skills that they had been working on in class.
-Deborah K.
Chrissy Christian –
My students loved using this resource. It was easy to prep and my students were highly engaged. Great enrichment activity.
-Mary Beth R.
Chrissy Christian –
My students loved using this for math. We have done several of these mysteries this year and this was their favorite!
-Tiffany C.
Chrissy Christian –
My students look forward to each holiday coming up because they know I have a fun activity for them to complete. They LOVE these mysteries! Thank you!
-Nancy B.