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Fraction Sense Lab

Mix any activities onto one worksheet.

Where should my child start?

The activities are grouped in the order kids usually need them:

  1. Parts and wholes. Equal parts, naming fractions, and unit fractions.
  2. Fractions on the number line. Seeing a fraction as one number with a size that exists on a number line.
  3. Comparing. Reasoning about which fraction is bigger, instead of guessing or applying a rule.
  4. Equivalence. Equivalent fractions and simplifying.

Not sure? Print the Quick check-up. It has 3 problems from every activity, and the answer key has a "What to look for" note for each section. Start practice at the first stage where your child makes mistakes, and move up when it feels easy.

Quick start:

Stages 1–2 settings Shapes and number lines

Denominators to use

Stage 2 settings Number lines

Stages 3–4 settings Comparing and equivalence

Denominators to use

These are written, not drawn, so they can go higher: 7 and 9 have no easy shortcut, 16 matches inches on a ruler, 20 and 100 connect to money, decimals and percents, and 24 to hours in a day.

Equivalence only

The denominators above are the starting fractions, and the multiplier scales them up (with 3 and a multiplier of 4: 2/3 = ?/12). 100 is used as the bigger side instead: 3/10 = ?/100.

Whole worksheet