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Subtract 1-digit decimals from whole numbers

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Free printable subtract 1-digit decimals from whole numbers worksheets for 3rd grade. Students subtract a one-decimal-place number from a whole number, requiring them to treat the whole number as having a decimal component before subtracting. These worksheets bridge whole number and decimal subtraction. Part of our fractions and decimals worksheets collection.

What You'll Learn

  • Subtract one-digit decimals from whole numbers
  • Rewrite whole numbers with a decimal point to subtract
  • Build fluency with decimal subtraction from whole numbers

FAQ

How do students handle the decimal point when subtracting from a whole number?

Write the whole number with '.0' appended (e.g., 5 becomes 5.0) to create a matching decimal place, then subtract as normal — for example, 5.0 - 1.7 = 3.3.

What regrouping might be needed in these problems?

Since the whole number has 0 in the tenths place and the subtrahend has a non-zero tenth, students always need to regroup (borrow) from the ones place.

How does this skill apply to real-world situations?

Calculating change when paying with a whole dollar amount (e.g., $5.00 - $1.70 = $3.30) is a direct application of this exact operation.

Grade
3rd Grade
Ages
Ages 8-9
Subject
Math
Format
Printable PDF

Ratings & Reviews

3

Rachel H.

Homeschool parent · Verified download

Apr 2026

We've been waiting for this topic. Signed up just to get notified when it's ready.

Helpful · 6

Maria R.

Homeschool parent · Verified download

May 2026

Can't wait! This is exactly what we've been looking for. Please make it soon!

Helpful · 7

Tom B.

Learning Specialist · Verified download

May 2026

This will be a great addition. I already recommend ClassWeekly to all the families I work with.

Helpful · 10

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