Free printable math drill — download and print instantly
This Mixed Add Subtract drill has 40 problems for Grade 2. Architects theme. Answer key included.
⬇ Download Free Math DrillGet new free worksheets every week.
All worksheets checked by our AI verification system. No wrong answers — guaranteed.
Max discovered the architect's blueprints are missing! He must solve equations fast to rebuild the magical tower before midnight.
Standard: CCSS.MATH.2.OA.B.2
At age 7-8, children are moving beyond simple addition or subtraction into the real work of flexible thinking—solving problems that require both operations in sequence. Mixed-add-subtract builds the foundation for multi-step thinking, which is essential not just for math, but for everyday problem-solving. When your child figures out that they had 12 blocks, added 5 more, then gave away 3, they're practicing the exact mental flexibility that architects use when planning spaces: calculating, adjusting, recalculating. This skill strengthens working memory, encourages students to slow down and track what's happening, and prepares them for word problems and more complex math ahead. By drilling these mixed problems now, second graders develop confidence in their ability to hold multiple operations in mind and execute them accurately—a cognitive skill that transfers across all learning.
Second graders often reverse the operation mid-problem, solving the addition correctly but then subtracting when they should add (or vice versa). Watch for students who compute 8 + 4 = 12, then automatically subtract the next number even if the symbol shows a plus sign—they're following a learned pattern rather than reading the symbol. Another common error is losing track of the first answer: solving 7 + 5 correctly as 12, but then using the original 7 instead of 12 when performing the next operation. You'll spot this when their final answer doesn't follow logically from their work.
Play a simple "story problem" game while cooking or setting the table together. Say: 'We have 6 plates, we add 4 more plates, then we take away 2 plates. How many do we have?' Let your child use actual objects—plates, crackers, toy blocks—to act out each step aloud before writing the numbers. This concrete, physical approach helps seven- and eight-year-olds anchor the sequence of operations in their hands and voice, making the abstract symbols feel like a real story they already know how to solve.