Mathematics · Grades 3
Same-Perimeter Pen Simulator
Show that rectangles with the same perimeter can have different areas, and the same area can need different perimeters.
Start Same-Perimeter Pen SimulatorWhat children practice
- Same-Perimeter Pen Simulator: Show that rectangles with the same perimeter can have different areas, and the same area can need different perimeters.
How to use this activity
Invite your child to try the challenge independently first. Encourage them to explain their thinking, use the immediate feedback, and try again when an answer does not work. Short, repeated practice helps build confidence.
Related Mathematics activities
Mathematics · 3
Abacus Tens Trader
Multiply a one-digit number by a multiple of 10 by sliding equal groups of tens on an abacus and trading ten tens for a hundred.
Activity detailsMathematics · K-1
Addition Bugs
Add two groups of objects with sums up to 5 using pictures, fingers, and manipulatives
Activity detailsMathematics · 3
Addition Cargo Center
Fluently add within 1,000 using place-value strategies.
Activity details