Guide · for teachers and parents

How to Teach Fractions So They Actually Make Sense

The short answer

Start with fair sharing, not symbols. Teach that the parts must be equal, then unit fractions, then counting them (3/4 is three 1/4s). Use several models, not just pies, and bring in rules like “multiply top and bottom” only after kids have seen why they work.

Pie
Bar
Number line

A sensible order

1. Fair shares: split a real brownie between two, then three, then four people. 2. Equal parts: show a shape cut unevenly and ask if those are thirds. 3. Unit fractions: 1/4 is one part of four equal parts, and more parts means smaller parts. 4. Counting unit fractions: 3/4 is 1/4, 1/4 and 1/4. This step makes everything later easier, and it's often rushed. 5. The number line: fractions are numbers with a place. 6. Equivalence, 7. comparing, 8. adding like denominators. Check each step before moving on, because each one leans on the last.

Use more than pies

Pies are great for part-of-a-whole, but they're hard to draw fairly and they hide the fact that a fraction is a number. Bars line up for comparing. Sets show that 3/4 can mean 3 of 4 cookies, or 9 of 12. Number lines show that 3/4 sits between 0 and 1, and they lead to everything that comes later. Kids who only know pies often get stuck on the first ruler or number line question they see.

Hold back the rules

“Multiply the top and bottom” and “add the tops” are fast to teach and fast to forget, and kids mix them up. Have them cut, fold and draw first. Ask “how do you know?” instead of “what's the rule?” When a child can explain why 2/4 is the same as 1/2 with a picture, the rule becomes a shortcut they own, not a spell they recite.

How to do it with Fraction Bakery

  1. Start at the fraction wall. Ask what kids notice before you tell them anything.
  2. Put the game on the board and play a round together. Have the class vote before each tap.
  3. Print fraction pies or fraction bars to slow things down on paper.
  4. When one idea wobbles, lock the game to it: equivalent, comparing or adding.

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Questions people ask

What should be taught first in fractions?

Equal parts and fair sharing, before any symbols. Then unit fractions like 1/2, 1/3 and 1/4.

What's the hardest part of teaching fractions?

Getting past whole-number thinking: kids expect bigger numbers to mean bigger amounts, which breaks with denominators. Our guide to why fractions are hard covers each trap.

Take the bakery with you, soon

A Fraction Bakery app for iPhone is on the way. The plan: offline play for the car, a parent report of which fractions have stuck, and the full bakery shelf of prizes. Until then, the whole game is free right here.

Coming soon on theApp Store