Printable Fraction of a Number Worksheets

Printable fraction of a number worksheets for 3rd through 5th grade, with an answer key on every sheet. The sets below cover 4 different skills, so you can start where your child actually is. Available as visual guides, speed drills, and fill in the blank.

Targeted Practice by Skill

About Fraction of a Number

What this skill is

Fraction of a number calculates a fractional part of a whole set quantity (e.g., 3/4 of 20 = divide 20 by 4 = 5, then multiply by 3 = 15).

When children learn it

Fraction of a set is taught in 3rd through 5th grade, aligned to 4.NF.B.4 and 5.NF.B.4.

Teaching Tips

  • Use rule: Divide by bottom denominator, then Multiply by top numerator.
  • Draw set array dots and circle equal denominator groups.

Common Mistakes

  • Dividing by numerator instead of denominator.
  • Forgetting to multiply by numerator after dividing by denominator.