This product includes 4 common core aligned math centers with a St. Patrick's Day theme.
Standards met include:
1.NBT.C4: Adding two-digit numbers within 100 (using models)
1.NBT.B.3: Comparing two-digit numbers with the symbols >, <, or =
1.OA.C.6: Adding and subtracting within 20 using different strategies
1.NBT.A.1: counting to 100 (skip counting)