Algebraic Thinking: Solving for an Unknown Number SAMPLER
by Shelbelle © 2026
Price: $0 USD
Subjects: math,additionAndSubtraction,equations,Special Autism,algebraicExpressions,reasoningWithEquations
Grades: 3,5,7,9
Description
Try it out FREE! Students use Tens Frames and manipulatives to solve for an unknown addend for problems resulting in a sum within 20. All problems in this deck require finding the second addend within the equation. Full version available!