Free printable math drill — download and print instantly
This Addition drill has 40 problems for Grade 2. Dinosaurs 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.
Friendly dinosaurs collected shiny rocks to build nests.
Standard: CCSS.MATH.2.NBT.B.5
Addition is the foundation of mathematical thinking for seven- and eight-year-olds, and it directly impacts their ability to solve real-world problems they encounter every day. When your child counts lunch money, combines toys into groups, or figures out how many snacks are left after sharing, they're using addition skills. At this stage, Grade 2 students are moving beyond counting on their fingers and developing fluency—the ability to recall basic facts quickly and accurately. This automaticity frees up mental energy for more complex problem-solving later. Mastering two-digit addition builds confidence and prepares children for subtraction, multiplication, and everyday situations where quick mental math matters. Students who practice addition regularly also strengthen their number sense and learn that math is a logical system with patterns they can discover and use.
The most common error Grade 2 students make is forgetting to regroup (or "carry") when the ones column adds up to 10 or more. For example, they may add 7 + 5 correctly but then write 12 in the ones place instead of carrying the 1 to the tens. Another frequent mistake is misaligning numbers on the page—writing 23 + 4 as 23 + 4 without lining up the ones and tens columns—causing incorrect answers. Watch for students who still count on their fingers for every single problem rather than recalling facts; this signals they need more fluency practice rather than moving to harder problems.
Create an "addition hunt" during a family trip to the grocery store or toy store. Have your child add prices of items: "If this dinosaur toy costs $5 and that one costs $8, how much do they cost together?" Use real money or price tags to make the numbers concrete and meaningful. This turns addition from abstract worksheet practice into something your second grader uses independently, building both skill and confidence in just 10 minutes.