Max Rescues the Genie's Magic Lamp: Number Quest!

About this Grade 1 Mixed Add Subtract Drill

At age 6 and 7, children are building the mental flexibility to switch between addition and subtraction within the same problem—a skill that mirrors real-world thinking. When your child helps you set the table, then clears some dishes, or adds toys to a pile then removes a few, they're naturally experiencing mixed operations. This worksheet strengthens their ability to read operation symbols carefully, track what's happening in each step, and hold two different actions in mind simultaneously. These foundational skills prevent later confusion when problems become more complex, and they boost confidence in math reasoning. Students who master mixed-add-subtract early develop stronger number sense and learn that math problems tell stories requiring careful attention.

What your student will practice

• Solve addition and subtraction problems presented in random order within one grid
• Identify and apply the correct operation symbol before computing each problem
• Build automaticity with sums and differences within 10 or 20
• Develop careful attention to detail and reduce careless operation-switching errors

Common mistakes to watch for

First graders often mix up operation symbols when problems alternate between addition and subtraction, solving a subtraction problem using addition (or vice versa). Watch for answers that seem too large or too small compared to the starting number, or patterns where every answer is higher than the previous one. Another common error is starting the problem correctly but forgetting which operation to use midway through, especially when working quickly. If you see inconsistent answers on similar problems (like getting 7 on one 5+2 but 3 on another), the child likely isn't reading the symbol each time.