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This Addition drill has 40 problems for Grade 2. Chickens theme. Answer key included.
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Max's baby chicks scattered everywhere! He must add groups to reunite them before sunset.
Standard: CCSS.MATH.2.NBT.B.5
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 2 Addition Drill
Addition is the foundation of mathematical thinking, and Grade 2 is when students move from counting on their fingers to holding numbers in their minds. At ages 7-8, children are developing working memory and beginning to understand that numbers can be broken apart and put back together—a concept called decomposition. When your child practices addition regularly, they're strengthening neural pathways that will support all future math learning, from subtraction to multiplication and beyond. Real-world addition happens constantly: combining toys, sharing snacks, counting allowance, or figuring out how many eggs a few chickens might lay in a week. By drilling these facts, students build automaticity, which frees up mental energy for solving more complex problems. This worksheet targets two-digit addition with and without regrouping, helping students recognize patterns and develop confidence with numbers up to 20 and beyond.
What your student will practice
- Add two-digit numbers with and without regrouping accurately
- Develop automaticity and fluency with single-digit addition facts
- Apply place value understanding to decompose and regroup numbers
- Build speed and confidence solving 8-12 addition problems independently
Common mistakes to watch for
Many Grade 2 students forget to regroup when the ones column adds to 10 or more—they'll write 7 + 5 = 12 without carrying the 1 to the tens place. You'll spot this when answers don't align with the place value columns or seem too small. Another common error is reversing digits after regrouping, writing 34 instead of 43. Some students also rush and misread numbers, turning 6 into 9. Encouraging them to circle the tens and ones separately before adding helps catch these mistakes early.
Play a simple addition game at home using everyday objects: ask your child to add items from around the house ('If you have 7 blocks and I have 6, how many do we have altogether?'). Start with numbers under 10, then gradually move to teens and twenties. Make it tactile—let them actually count or group objects—then challenge them to figure it out in their head. This bridges the gap between worksheet practice and real thinking, and it's naturally motivating because the context matters to them.