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This Addition No Regrouping drill has 40 problems for Grade 2. Snorkeling theme. Answer key included.
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Max spotted glowing pearls scattered across the ocean floor—he must collect them before the current sweeps them away!
Standard: CCSS.MATH.2.NBT.B.5
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 2 Addition No Regrouping Drill
Addition without regrouping is a crucial stepping stone in your second grader's math journey. At ages 7–8, students are building the mental stamina to solve two-digit addition problems efficiently, which lays the foundation for more complex math later. When students add numbers like 23 + 14, they're learning to organize their thinking by place value—ones with ones, tens with tens—without carrying over. This skill strengthens their number sense and helps them see how our decimal system actually works. Beyond worksheets, mastery of addition-no-regrouping builds confidence; your child sees they can tackle "bigger" problems with the same strategies they already know. These drills also train focus and accuracy, skills that matter across every subject they'll encounter.
What your student will practice
- Add two-digit numbers without regrouping using place value understanding
- Correctly align digits by place value in vertical addition format
- Solve addition problems where ones and tens require no carrying
- Apply addition-no-regrouping to word problems in familiar contexts
Common mistakes to watch for
The most common error at this level is misaligning digits when writing problems vertically, causing students to add ones to tens or vice versa. You'll spot this when a child writes 23 + 14 as one messy line, then adds 2 + 1 + 4 + 3 in random order. A second frequent mistake is forgetting to write the tens digit in the answer—for example, solving 32 + 15 but only writing '7' instead of '47.' Watch for students who rush and don't line up columns carefully, especially on paper without grid lines.
Create a real-world "snorkeling shop" game at home: write price tags on toy items (like 12 coins, 23 coins) and have your child calculate the total cost of buying two items without carrying. Use actual coins or paper if possible—handling physical objects helps cement the concept that we're combining separate groups (ones and tens). This makes the abstract skill feel concrete and purposeful for a second grader who learns best through play.