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Whole numbers x decimals (missing factors)

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Free printable whole numbers × decimals (missing factors) worksheets for 5th grade. Students find the unknown whole number or decimal factor in multiplication equations, applying the inverse relationship between multiplication and division with decimals. Part of our decimals multiplication worksheets collection.

What You'll Learn

  • Find the missing factor when a whole number is multiplied by a decimal
  • Use division by the known factor to solve for the unknown
  • Check solutions by verifying the full multiplication equation

FAQ

How do students find a missing decimal factor when the whole number and product are known?

They divide the product by the whole number, applying correct decimal placement to determine the decimal factor.

How do students find a missing whole number factor when the decimal and product are known?

They divide the product by the decimal factor, being careful to track the decimal during division to arrive at the whole number quotient.

What algebraic concept do missing-factor decimal problems reinforce?

They reinforce the multiplicative inverse — the idea that multiplication and division undo each other — which is foundational to solving equations.

Grade
5th Grade
Ages
Ages 10-11
Subject
Math
Format
Printable PDF

Ratings & Reviews

3

Emily W.

Homeschool parent · Verified download

May 2026

Excited for this one! I've been hunting for a good printable on this topic for weeks.

Helpful · 9

Priya N.

Kindergarten Teacher · Verified download

Apr 2026

This is going straight into my lesson plans the second it drops. Please prioritize this one!

Helpful · 13

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

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