Looking for a missing addends intervention that actually works for 1st grade?This first grade missing addends math intervention is designed for small groups, RTI, and math intervention time when students struggle with addition and subtraction concepts, not just fact fluency. You pull a small group for a missing addends intervention. You model the problem, give practice, and hope it clicks—but students still guess, add both numbers together, or start counting from 1 every time. For many studen