We follow by asking students to share their way of seeing the border and their strategy for finding the number of squares in the border of a 10x10 grid. We record each strategy shared on the whiteboard …

sk The Border Problem Task Overview The Border Problem Task is a traditional problem in which students are asked to write an expression to ca. culate the number of tiles needed to border a square …

©2025 University of Colorado. Some rights reserved.

For problems of this type you must correctly draw and label a diagram, correctly write an equation to represent the given data, and correctly solve the equation for the solution to the problem.

The border tiles is a traditional problem in which you are asked to write an expression to calculate the number of tiles needed to border a given pool. The shape of the pool is usually a square or a …

Sep 4, 2016 · This classic problem is a great way to make connections to the language of mathematics, specifically around the meaning and uses of variables. The pdf above links to a chapter from A …

Algebra 1: Unit 1, Border TASK Name: Task Question: Explain how someon could determine the total number of border tiles in any such figures if the person knew the figure number. Situation: What do …

Description Adapted from Jo Boaler's youcubed Border Problem. Students work as individuals and whole class to share their thinking moving from algebraic description to expressions. Activity includes …

A detailed lesson plan from Jo Boaler and Cathy Humphreys can be found here: https://www.youcubed.org/wp-content/uploads/2018/09/Border-Problem-final-copy.pdf Credits for …

The Pool Border Problem provides opportunities to experience each of the eight mathematical practices. We focus here on the four practices that are most relevant to work on this problem.