Mathematics · Grades 4
Weaver’s Rug Frame
Use one rectangle measure and a side to find the length, then find the other measure: area from perimeter, or perimeter from area.
Start Weaver’s Rug FrameWhat children practice
- Formula Garden Planner: Apply area and perimeter formulas for rectangles to find an unknown side length in real contexts.
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