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This Mixed Add Subtract drill has 40 problems for Grade 2. Jazz Club theme. Answer key included.
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Max discovered the stage lights are broken! He must solve math problems to restore the spotlight before the band performs tonight.
Standard: CCSS.MATH.2.OA.B.2
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 2 Mixed Add Subtract Drill
Mixed addition and subtraction problems are a crucial bridge in Grade 2 math because they require students to read carefully, identify which operation to use, and execute it correctly—all at once. At ages 7-8, children are still building the mental flexibility to switch between adding and subtracting within the same set of problems, which directly strengthens their number sense and problem-solving mindset. This skill appears everywhere in real life: deciding how many snacks remain after sharing some with friends, figuring out total points scored across multiple rounds of a game, or calculating change at a store. Practicing mixed operations also develops attention to detail and helps students resist the common trap of automatically adding or subtracting without thinking about what the problem actually asks. By mastering mixed-add-subtract now, students build confidence and the cognitive foundation for multi-step word problems in later grades.
What your student will practice
- Identify whether a problem requires addition or subtraction by reading key words
- Solve mixed addition and subtraction problems within 20 fluently
- Recognize that the same numbers can be used in different operations with different outcomes
- Apply mixed operations to simple real-world scenarios and word problems
Common mistakes to watch for
The most common error is that students default to adding or subtracting without reading the problem carefully—they might see two numbers and automatically add them regardless of what the problem says. Watch for students who rush through and solve every problem the same way, or who pause at subtraction problems because they haven't yet internalized that subtracting is just as normal as adding. Another pattern is mixing up the direction of subtraction (writing 5 − 3 as 3 − 5), which shows they haven't yet solidified that order matters. You'll spot these mistakes when a student solves the same pair of numbers (like 8 and 5) the same way every time, even when one problem asks to add and another asks to subtract.
Create a simple "snack-stand" game at home where you pretend to sell small items (crackers, berries, pretzels) and your child is both the seller and cashier. Give them a starting amount (like 12 pretzels), then announce transactions: 'You sold 3 pretzels, then someone brought 2 back—how many do you have now?' This mirrors the rhythm and real stakes of mixed operations and helps children see that both operations are tools, not just abstract exercises. Switch roles so they create the problems too.