Grade 4 - Patterning
Standard 4.P.3.3 - Practice using addition and subtraction to solve for a variable.
Included Skills: Mixed Equations, Algebra
one-step equations with an unknown number, using all operations • one-step equations for all operations involving an unknown number (e.g., ___ + 4 = 15, 15 – □ = 11) • start unknown (e.g., n + 15 = 20; 20 – 15 = □) • change unknown (e.g., 12 + n = 20) • result unknown (e.g., 6 + 13 = __)