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This Subtraction No Borrowing drill has 40 problems for Grade 2. Horses theme. Answer key included.
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Max discovered 47 horses escaped the ranch—he must solve each subtraction to round them up before dark!
Standard: CCSS.MATH.2.NBT.B.5
Preview
Page 1 — Drill
Page 2 — Answer Key
What's Included
About this Grade 2 Subtraction No Borrowing Drill
Subtraction without borrowing is a crucial stepping stone in your second grader's math journey because it builds confidence with the subtraction algorithm before introducing the more complex regrouping process. At ages 7-8, children are developing their ability to decompose numbers and understand place value—skills that directly transfer to real-world situations like calculating change at a store, figuring out how many toys remain after giving some away, or determining how many apples are left in a basket. When students master subtraction-no-borrowing, they solidify their understanding that the ones place and tens place operate independently when the ones digit in the minuend is larger than or equal to the ones digit in the subtrahend. This focused practice builds automaticity and mental flexibility, allowing children to tackle harder problems with borrowing once they've mastered this foundation. Regular drill work on these problems strengthens both their computational fluency and their conceptual understanding of how numbers work together.
What your student will practice
- Subtract two-digit numbers without regrouping using place value understanding
- Recognize when borrowing is not needed in subtraction problems
- Accurately solve 15-20 subtraction-no-borrowing problems within 2-5 minutes
- Apply place-value vocabulary (tens, ones) to explain subtraction steps
Common mistakes to watch for
The most common error is when students subtract the smaller digit from the larger digit in each column without thinking about place value—for example, answering 32 − 15 as 23 instead of 17. Watch for children who reverse the digits (writing 23 instead of 17) or who seem to guess rather than systematically work through tens and ones. You'll also notice some students confuse the direction: they might try to subtract the top number from the bottom number instead of the reverse. If a child consistently makes these errors, they may need more concrete practice with base-ten blocks or tens-and-ones drawings before moving to abstract numerals.
Create a simple subtraction scenario using objects your child can physically manipulate—try using two piles of toy horses or counters to represent two-digit numbers, then remove the correct amount and count what's left. For example, show 34 horses using 3 groups of ten and 4 ones, then remove 12 (1 group of ten and 2 ones), and have your child count the remaining horses. This bridges the gap between the written problem and concrete reality, helping your seven or eight-year-old see why the process works before drilling the numbers on paper.