Fraction Forge

StudentChoose a mission, make a prediction, test the model, then explain the evidence.

TeacherLook for misconception tags, evidence-step completion, and transfer-readiness signals.

ff-68-equiv

Fractionforge: Fractions, Rates, and Operations

Targets1/2, 2/4, 3/6 of the unit

Start with 1/2 and split your way to 2/4, then 3/6 — prove each step keeps the same amount.

MISC-FRAC-01

PredictTestExplainReviseDefendTransfer0/4 evidence steps

build a

0/2

Cut:or drag on the bar · tap to shade

Split every piece:

shaded length

0/2

▢

The data prints here after you commit.

nothing prints before a committed call

build b

0/2

Cut:or drag on the bar · tap to shade

Split every piece:

shaded length

0/2

move log

No moves yet — cut, shade, then commit to a check.

Loading world...

Math path

Fraction Forge

StudentChoose a mission, make a prediction, test the model, then explain the evidence.

TeacherLook for misconception tags, evidence-step completion, and transfer-readiness signals.

ff-68-equiv

Fractionforge: Fractions, Rates, and Operations

Targets1/2, 2/4, 3/6 of the unit

Start with 1/2 and split your way to 2/4, then 3/6 — prove each step keeps the same amount.

MISC-FRAC-01

PredictTestExplainReviseDefendTransfer0/4 evidence steps

build a

0/2

Cut:or drag on the bar · tap to shade

Split every piece:

shaded length

0/2

▢

The data prints here after you commit.

nothing prints before a committed call

build b

0/2

Cut:or drag on the bar · tap to shade

Split every piece:

shaded length

0/2

move log

No moves yet — cut, shade, then commit to a check.