These worksheets use a two-step function machine to help students practice addition in a clear and structured way.

Key features:

• Each exercise starts with an IN number and follows two simple addition rules in the RULE column.
• All rule numbers are between 1 and 10, keeping the tasks easy to understand while encouraging mental math.
• Students work step by step to find the OUT value, building number sense, logical thinking, and confidence with math operations.
• Exercises support problem-solving skills, following instructions, and understanding how numbers change through multiple steps.
• Each page contains 12 short math exercises.
• The full resource includes 100 pages, ideal for classroom practice, homework, math centers, or independent work over time.