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Multiply 1-digit by whole hundreds

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Free printable multiply 1-digit by whole hundreds worksheets for 4th grade. Students multiply single digits by multiples of 100 (e.g., 4 × 600), applying the pattern of multiplying the significant digits and appending two zeros. These worksheets extend round-number multiplication to the hundreds scale. Part of our mental multiplication worksheets collection.

What You'll Learn

  • Multiply a single-digit number by a multiple of 100 mentally
  • Apply the pattern of multiplying the digit and adding two zeros
  • Build fluency with mental multiplication involving whole hundreds

FAQ

How do students mentally multiply a 1-digit number by a whole hundred?

Multiply the non-zero digits using a known fact, then append two zeros — for example, 4 × 600 = 4 × 6 = 24, then add two zeros to get 2,400.

How does this connect to the concept of place value?

Each hundred is 100 ones, so multiplying by 600 is the same as multiplying by 6 and then by 100 — students see multiplication as scaling by place value units.

What errors do students commonly make here?

Adding only one zero instead of two is the most frequent mistake — explicit instruction that multiplying by a whole hundred always appends exactly two zeros helps prevent this.

Grade
4th Grade
Ages
Ages 9-10
Subject
Math
Format
Printable PDF

Ratings & Reviews

3

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

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

Sarah K.

Kindergarten Teacher · Verified download

May 2026

So excited for this to be ready! My students really need more practice with this topic.

Helpful · 11

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