AC9M7A03

solve one-variable linear equations with natural number solutions; verify the solution by substitution

Elaborations

AC9M7A03_E1 - recognising that solving an equation is a process of determining a value that makes the equation true; using substitution to determine whether a given number is a solution to an equation or not
AC9M7A03_E2 - solving equations using concrete materials, the balance model, and backtracking, explaining the process
AC9M7A03_E3 - solving linear equations such as \(3x+7=19\) algebraically, and verifying the solution by substitution

Achievement Standard Components