Monday, November 17, 2014

Manic Monday - Part-Part-Whole Flip Cards

Classroom Freebies Manic Monday
It's been a while since I've created anything for my math class, but after spending two days at the NCTM regional conference in Richmond, I was inspired to make some new resources. Today I'm sharing two sets of flip cards for working on subitizing, part-part-whole, missing addend problems, and basic facts.

Each set contains 55 cards covering addition facts from 0+0 through 9+9. You can access all 100 facts by using the Commutative property and covering a different part of the flip card. Here's what the packet and cards look like.


Once you print these back-to-back and cut along the dotted lines, you can select which part of the card you wish to "hide." Here's what a finished card looks like.

These flip card sets can be used to meet the following Common Core Standards for Math.
  • K.OA.5.  Fluently add and subtract within 5.
  • 1.OA.3.  Apply properties of operations as strategies to add and subtract. Examples: 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.)
  • 1.OA.4.  Understand subtraction as an unknown-addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
  • 1.OA.5.  Relate counting to addition and subtraction (e.g., by counting on 2 to add 2).
  • 1.OA.6. 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).
  • 2.OA.2.  Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.


I hope you get a chance to use these cards in your home or classroom. Please let me know if you try them and how you like them! 

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