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This Subtraction No Borrowing drill has 40 problems for Grade 2. First Day Of Fall theme. Answer key included.
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Max collected 47 colorful leaves, but the autumn wind scattered 12—how many does he have left?
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 critical stepping stone in your second grader's math journey because it builds fluency with place value—a concept that underlies all future computation. At ages 7-8, children are developing the ability to see numbers as groups of tens and ones, and this skill strengthens that mental model. When students subtract problems like 45 - 23 without regrouping, they're practicing the foundational strategy of subtracting ones from ones and tens from tens separately. This builds confidence and automaticity before introducing the more complex skill of borrowing, which typically comes in late Grade 2 or Grade 3. Mastering subtraction-no-borrowing also helps children recognize which problems are "easy" and which need a new strategy—a form of mathematical thinking that develops problem-solving flexibility. Beyond the worksheet, this skill appears constantly in daily life: calculating change, comparing heights or ages, or figuring out how many apples are left after snack time.
What your student will practice
- Subtract two-digit numbers with no regrouping using place value understanding
- Identify when a subtraction problem requires no borrowing
- Apply the strategy of subtracting ones place and tens place separately
- Explain subtraction thinking using tens and ones language
Common mistakes to watch for
The most common error Grade 2 students make is subtracting the smaller digit from the larger digit in each column, even when it's upside down—for example, solving 32 - 15 by calculating 2 - 5 in the ones place and writing 7, then 3 - 1 in the tens place. You'll spot this when the ones digit in the answer is larger than the original ones digit in the top number. Another frequent mistake is misaligning digits, especially with numbers like 40 - 23, where the zero confuses students about what "ones" are available. Watch for inconsistent spacing or numbers written outside their place value columns.
Create a simple subtraction story using items around your home—perhaps counting down to fall activities. For example: "We have 38 pencils and use 24 for our first-day-of-fall art project. How many are left?" Have your child draw or physically separate tens and ones (using groups of 10 blocks or drawings) to solve it, then write the number sentence. This concrete representation helps them see that 38 - 24 means "3 tens and 8 ones minus 2 tens and 4 ones," making the abstract algorithm concrete and memorable.