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**outdated**browser. Please upgrade your browser to improve your experience.This is a link to the Mathematics section of the Teacher Education by Design (TEDD) website. Activities described include:

Contemplate then Calculate (BPE). In Contemplate then Calculate attention is shifted away from calculating an answer to interpreting an equation, expression, or shape.

Three-Act Tasks. This activity is made up of three parts or “acts”; 1) The Question, 2) Gathering Information, and 3) The Reveal.

Mental Math. In Mental Math students solve a computational problem mentally and discuss their solution strategies.

Quick Images. In Quick Images, children are shown pictures displaying groups of objects or symbols, viewing each for only a few seconds.

Counting Collections. Counting Collections is a structured opportunity for children to count a collection of objects.

Choral Counting. Choral Counting is an activity in which the teacher leads children in counting aloud together by a given number.

True/False Equations. In this activity, the teacher poses equation with two expressions and asks students to decide whether the equation is true or false.

Number Strings-Elementary. Number Strings engages children in mentally solving a “string” of related equations.