Students split shapes into equal shares — halves, thirds, and fourths — and learn that the more equal parts you make, the smaller each fair piece becomes.
Students will be able to…
How do you split one cookie so everyone gets a FAIR share? What do we call the pieces when there are 2, 3, or 4 of them?
Project this and split the circle into halves, thirds, or fourths. Tap the pieces to shade them, and name the equal shares.
Tap any phase to open the teacher moves and student actions.
How do you cut one cookie so 2 friends each get a fair piece?
Teacher models.
Class drives Share the Shape.
Students partition shapes.
Name the shares.
Aligned to the Common Core State Standards for Mathematics, including the Standards for Mathematical Practice.
Partition circles and rectangles into two, three, or four equal shares; describe them as halves, thirds, fourths.
Recognize and draw shapes having specified attributes.
Partition a rectangle into rows and columns of same-size squares.
Attend to precision by making shares equal.
Preview the three formative checks. Tap “Sample answer” to see what mastery looks like — hide them before you print for students.
Have students fold different paper shapes (circle, square, rectangle) into halves and fourths, checking that the parts match exactly. A printable shape-folding set is in the Math library.
Tap a card to flip it, then rate whether you knew it. Built from this lesson’s vocabulary.
A quick self-check with instant feedback, drawn from this lesson’s key terms.
A print-and-go review sheet with a built-in answer key. Tap “Show answer key” to reveal answers, or print the clean version for students.