Prime Factorization Worksheet – 5th Grade Multiplication Practice

Build strong multiplication skills with the Prime Factorization Worksheet. This fifth grade math printable keeps the focus on one skill so students can practice it with confidence.

Learning objective: Students will build accuracy and confidence with multiplication through short, focused practice that reinforces what was taught in class.

Why it works: Each page targets one skill, so students get meaningful repetition without feeling overwhelmed. The layout is clean and uncluttered, which helps young learners focus on the task instead of the decorations.

What's included:

• 1 printable worksheet page

• Clear, student-friendly directions

• Answer key (1 page)

• Cover page

How it's organized: The page opens with these directions: "Complete each factor tree, then write the prime factorization on the line." Students then complete the practice items in order and check their work before turning it in.

Grade level: Designed for fifth grade students. It also works well for fourth grade and sixth grade students who need extra practice or a fresh review.

How to use it: It is a great fit for morning work, learning centers, intervention groups, test review, homeschool lessons, and take-home practice.

Answer key: An answer key is included, so you can check work quickly or let students self-correct.

Teaching tips and variations:

• Model the first item together, then let students finish the rest independently.

• Keep a few copies in your early finisher bin for independent review.

• Use it as an exit ticket the day after a multiplication lesson to see who needs more support.

Skills covered: Multiplication, Prime Numbers, Math

Standards: Supports Common Core 5. NBT.B.5.

File type: PDF, ready to print.

Number of pages: 3 (1 worksheet page, 1 answer key page, 1 cover page).

This printable is part of the Have Fun Teaching collection of math resources for elementary classrooms and homeschools. Visit our shop for more practice pages on related skills. Have Fun Teaching on Teach Simple