This math game is designed to be used with various levels of ability.
Red Cards: Add past 100 with regrouping
Green Cards: Addition under 100 with regrouping
Yellow cards: Addition under 100 no regrouping.
The idea is that by working in a group and explaining their answers struggling students will get the support and practice that they need with the help of more advanced students.
Common Core Standards:
MACC.2.NBT.2.6 Add up to four two-digit numbers using strategies based on place value and properties.
MACC.2.NBT.2.9 Explain why addition and subtraction strategies work, using place value and the properties of operations.
MACC2.NBT.2.5 Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.