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This Addition No Regrouping drill has 40 problems for Grade 2. Electric Cars theme. Answer key included.
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Max must charge fifteen electric cars before the big race starts tomorrow morning at the speedway!
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 foundational stepping stone that helps second graders build confidence and fluency with multi-digit numbers. At ages 7-8, students are developing the mental organization skills needed to add tens and ones separately—a crucial skill that appears everywhere, from calculating toy collections to tracking points in games. When children master addition-no-regrouping, they strengthen their place-value understanding, which is essential before tackling problems that require carrying or borrowing. This skill also develops automaticity, meaning students can solve problems faster and with less effort, freeing up mental energy for more complex math. Practicing these problems regularly helps solidify number sense and builds the confidence that makes harder addition feel manageable rather than overwhelming.
What your student will practice
- Add two-digit numbers without regrouping using place value understanding
- Correctly align tens and ones columns when adding vertically
- Recognize when a problem requires no regrouping versus when it does
- Fluently solve addition problems with sums under 100
Common mistakes to watch for
The most common error is misaligning digits, where students add tens into the ones column or vice versa, producing nonsensical answers like 48 + 31 = 79 instead of 79. Watch for students who write answers in the wrong column or skip the tens place entirely. Another frequent mistake is students who haven't internalized that 3 tens + 4 tens = 7 tens, not just 7—they may write 34 + 42 = 76 by only adding the tens digit. Check whether students are lining up numbers by place value and labeling tens and ones clearly until the skill solidifies.
Play a real-world addition game using household items: give your child a pile of pennies grouped into stacks of 10, then ask them to combine two piles and count the total. For example, 'We have 30 cents here and 24 cents here—how much altogether?' This hands-on experience with tens bundles makes the place-value structure concrete. Repeat several times with different amounts, always in situations where no carrying is needed, so they can focus purely on adding tens and ones separately. This mirrors how electric cars might be counted in a parking lot—'3 rows of 10 plus 4 more'—making the math feel purposeful.