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December Math Logic Puzzles: Addition & Subtraction within 20

Rated 4.88 out of 5, based on 8 reviews
4.9 (8 ratings)
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Standards
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Pages
19 pages
$3.50
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What educators are saying

My students love completing these in small group! Great resource that keeps my learners engaged and thinking. Thanks!
This is another great set for doing a whole group warm up or creating problem solving stations around the room. I will purchase more of these sets!

Description

Addition and Subtraction Logic Puzzles for December and Christmas. Perfect for practicing doubles, missing addends, and early finishers! These holiday-themed puzzlers are ideal for math enrichment and challenge!

So often it seems that finding just-right resources for all of our learners is a full time job, especially for our highest group of mathematicians. These are the friends working a grade-level (or two) above 1st grade and the ones who sometimes struggle to show growth on District Assessment programs (STAR, MAP, iReady, etc.). The question becomes - How do I challenge these students and move them forward?

When offering math challenges, students need to apply their math skills in flexible and unconventional ways. Students have to routinely ask themselves “Does my answer make sense?” as well as, be able to justify their answers.

INCLUDED IN THIS RESOURCE

16 Logic Puzzles & Answer Keys

Ready to Display Google Slides

3 Recording Log Options

The tasks in this resource require students to find the unknown value December-themed shapes. When working with these problems, students are intertwining their understandings of addition, subtraction, doubles, missing addends, and

commutative property.

I would suggest using these cards in small group before placing them in a center. Initially, my 1st grade friends panicked. As a group we talked using growth-mindset language and continuing trying numbers until students discovered patterns in the cards and between the numbers. I did want and let my students struggle. If supported too much, these brain teasers won’t be difficult. Accomplishing difficult tasks allows students to develop a mindset of growth and resilience. Students know it’s okay to make mistakes, try the wrong number, or unknowingly defend the wrong number. The sense of accomplishment when students complete a puzzle task (sometimes taking up to 15-20 minutes) is significant. Now, my highest mathematicians beg for these cards and love the challenge. Our motto has quickly become, “Our brains love to do hard things.

✅Download the preview to get a closer look at these templates and examples from my classroom!

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Copyright © Catherine Reed, The Brown Bag Teacher

Permission to copy for single classroom use only.

Please purchase additional licenses if you intend to share this resource.

***For other math resources, check out my Math Puzzlers Set #2, Math Puzzlers Set #3, Primary Math Centers, and Differentiated 120s Chart.

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

to see state-specific standards (only available in the US).
Apply properties of operations as strategies to add and subtract. If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 = 2 + 10 = 12. (Associative property of addition.)
Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
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).
Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false. For example, which of the following equations are true and which are false? 6 = 6, 7 = 8 - 1, 5 + 2 = 2 + 5, 4 + 1 = 5 + 2.

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