Owl About Addition math task cards for 2-digit addition with 3 or 4 numbers

  These math task cards are great for students to use to practice adding 2-digit numbers (with renaming). They're easy to use for math centers. Includes: 26 task cards - adding 2-digt numbers (some are with renaming) 1 cover card 1 teaching /example card that has some strategies to use 1 answer key 1 smart scratch paper - copy and put it in a sheet protector for multiple uses. It has a number line, a visual of base ten blocks (so they can remember that strategy), and a few different workspaces to work on the problem.  Skills: 2-digit addition with renaming -- adding 3 or 4 2-digit numbers CCSS 2.NBT.B.5 CCSS 2.NBT.B.6 Set-up: These are so easy to use! Teachers can laminate the cards and then mark the correct answer with a dot on the back of the card. Students use a clothespin to choose the correct answer and then flip the card over to see if they are correct. The cards and clothespin fit perfectly into a 4 x 6 photo box (sold at many craft stores). This makes a great way to store y