This product is a perfect and FUN way to introduce your kids to and/or reinforce the skill of double-digit addition without regrouping. The activity has students solving double-digit addition and subtraction problems and using an iPad or iPod to scan QR Codes to decide what color to color the box.
This download includes:
-2 addition practice sheets
-2 subtraction practice sheets
Your kids will LOVE this...mine sure did! They feel like they are "cracking a code" while getting extra math practice.