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This Addition drill has 40 problems for Grade 2. Bookstore theme. Answer key included.
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Max discovers scattered books everywhere! He must add shelf numbers fast before the bookstore closes tonight.
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 a cornerstone skill at second grade, and it's much more than memorizing facts—it's about building mental math flexibility and confidence. At ages 7-8, students are developing their ability to combine groups of objects and numbers in increasingly sophisticated ways, which strengthens their number sense and lays the foundation for multiplication, subtraction, and all future math. When children can quickly add within 20 (and eventually to 100), they're freeing up mental energy to tackle word problems, think strategically about math, and apply their skills to real situations like counting money at a bookstore or figuring out how many toys they have altogether. This drill helps cement the automatic recall of basic facts while reinforcing strategies like counting on, using ten-frames, and breaking numbers apart—skills that second graders actively use in classroom math discussions and problem-solving every day.
What your student will practice
- Fluently add two single-digit numbers with sums to 20
- Apply addition strategies including counting on and making ten
- Solve addition word problems with two-digit and single-digit numbers
- Recognize and use the commutative property of addition
Common mistakes to watch for
Many second graders count inefficiently by starting over from one every time instead of counting on from the larger number—for example, saying "1, 2, 3..." all the way through instead of starting at 8 and counting on. Others lose track while counting and skip numbers or double-count, particularly in the teens. You'll also notice some students write digits in the wrong order (reversals like writing 31 instead of 13) or forget to carry the ten when adding two-digit numbers. Listen as they solve aloud; if their counting process seems labored, they need more practice with the counting-on strategy before moving to larger numbers.
Play a simple dice or card game during dinner or a car ride where you and your child roll two dice or flip two cards and find the sum together—no pencil needed. Start by having your child say the bigger number aloud, then count on using their fingers: if they roll a 6 and a 4, they say "six" and count "seven, eight, nine, ten." This turns addition practice into a game that builds speed and confidence without feeling like "work," and seven- and eight-year-olds thrive when math feels playful and social.