I have who has working with the common core standard 1.nbt.5 mentally adding and subtracting 10 from a 2 digit number. This activity is engaging, and helps students work with the skill of mentally adding and subtracting 10 from a two digit number. My kiddos love the I have who has games!! There are 24 cards so up to 24 students can play!
Check out these other common core aligned math products:
1.NBT.1 Count to 120 Math Center
1.MD.4 Graphing NO PREP Printables
1.NBT.5 Mental Math Task Cards
Common Core 1.OA BUNDLE
Read more about me and my classroom Momma with a Teaching Mission