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CCSS · Number & Operations in Base Ten

5.NBT.B.5 — Fluently multiply multi-digit whole numbers using the standard algorithm.

Cluster: Perform operations with multi-digit whole numbers and decimals

What this standard asks students to do

5.NBT.B.5 is a 5th grade Common Core standard in the Number & Operations in Base Ten strand. It asks students to: fluently multiply multi-digit whole numbers using the standard algorithm. Teachers typically address it during the perform operations with multi-digit whole numbers and decimals cluster, alongside the related standards listed below. FoxFish generates printable worksheets, auto-graded quizzes, and flashcard sets aligned to this standard in seconds.

Sample questions aligned to 5.NBT.B.5

  1. Example 1

    247 × 38 = ?

  2. Example 2

    1,025 × 14 = ?

  3. Example 3

    604 × 27 = ?

Want a full worksheet? Generate 20 problems aligned to 5.NBT.B.5.

Common student mistakes

Build distractors and reteach prompts around the errors students actually make on this standard.

  • 1Rushing to an answer without showing the work with pictures or manipulatives — 5th-grade students who skip this stage often can't debug their own errors.
  • 2Mis-identifying what the prompt is actually asking. On 5.NBT.B.5, teachers see students latch onto surface keywords and pick the wrong operation.
  • 3Applying a memorized procedure to a case where it doesn't fit — the classic number & operations in base ten trap when problems change form (e.g., 247 × 38 = ?).
Teacher tip · Have students explain their math reasoning to a partner before writing it down — the talk exposes misconceptions faster than the paper does.

Teacher FAQ

What does 5.NBT.B.5 actually ask 5th-grade students to do?

Students are expected to fluently multiply multi-digit whole numbers using the. In the perform operations with multi-digit whole numbers and decimals cluster this shows up when they solve problems and explain their reasoning. Full standard text: "Fluently multiply multi-digit whole numbers using the standard algorithm."

How long should we spend on 5.NBT.B.5 in a typical unit?

Plan 5–7 lessons of direct instruction plus ongoing spiral review; students in grades 3–5 usually need multiple exposures across a unit. FoxFish's generator lets you spin up fresh practice each day to keep the reps varied.

What does mastery of 5.NBT.B.5 look like on a quick check?

A student who's mastered 5.NBT.B.5 can fluently multiply multi-digit whole numbers using the on unfamiliar prompts, not just the exact examples they practiced. Try one item like: "604 × 27 = ?" — if they explain their reasoning without prompting, they're solid.

Related standards in this cluster

Teacher guides for 5.NBT.B.5

Standards alignment

How to Write a 5th-Grade Math Worksheet Aligned to CCSS 5.NBT.B.7

A teacher's step-by-step plan for building a decimal operations worksheet aligned to Common Core 5.NBT.B.7 — with question types, answer key tips, and a free generator.

Keep exploring

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All 5th grade standards

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Math worksheets for 5th grade

Generate a worksheet aligned to 5.NBT.B.5

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