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This Addition drill has 40 problems for Grade 1. Dinosaurs theme. Answer key included.
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Max found three lost baby dinosaurs! He must reunite them with their mothers before the volcano erupts!
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Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 1 Addition Drill
Addition is one of the first mathematical tools your child will use to solve real-world problems, from sharing snacks with siblings to figuring out how many toys are in two different piles. At ages 6-7, students' brains are developing the ability to hold numbers in mind and combine them mentally—a skill that builds the foundation for all future math learning. When children practice addition, they're strengthening their number sense, learning that numbers represent quantities, and developing confidence with calculation. These drills help students recognize addition patterns, build automaticity with small sums, and move toward fluency so they can focus on harder problems later. The repetition in a structured grid format helps cement these connections in working memory, making math feel less intimidating and more manageable as they progress.
What your student will practice
- Fluently add two single-digit numbers with sums to 10
- Recognize and apply the commutative property of addition
- Use strategies like counting on and number bonds
- Solve addition word problems with concrete pictures or objects
Common mistakes to watch for
Many Grade 1 students recount from 1 instead of counting on from the larger number—for example, solving 7 + 3 by counting 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 rather than 7, 8, 9, 10. You'll notice this if your child takes much longer on problems with larger starting numbers or loses track of their count. Another frequent error is confusing the plus sign with other symbols or forgetting which number comes first, especially when problems are presented differently. Watch for inconsistency: if your child gets 5 + 2 = 7 but then struggles with 2 + 5, they haven't yet grasped that the order doesn't change the answer.
Play a quick counting-on game at breakfast or snack time: place one pile of crackers or cereal pieces on the table (say, 6 pieces), then add a second pile (say, 3 pieces). Have your child say the larger number out loud, then count on using their fingers while touching each piece in the second pile—6… 7, 8, 9. This trains the counting-on strategy in a playful, edible context that feels like play, not work, and makes the abstract concept concrete and immediately rewarding.