## Resources for

**Some good sources of high school math tasks (in no particular order):**

**Problem-Based Lesson Search Engine**- Searches many of the sites listed below

101 Questions - Given an image, what is the first question that comes to mind?

Estimation 180 - Ideas to foster number sense

Two-Minute Teachers' Guide - Instructional resources to support teachers as they plan lessons

Tap into Teen Minds - 3 Act Tasks and other lesson resources to spark curiosity

Mr. Orr is a Geek - How to start a math fight and other ideas for getting students to remember what you are teaching

3 Act Math - Short videos to encourage question posing by students

Open Middle - Challenging math problems worth solving

Math Pickle - Math games and puzzles organized by grade or subject

Phillips Exeter Academy: Problem sets for all of this school's math courses, including Calculus

Math Assessment Project: Assessment tasks and lessons tied to CCSSM content and practices.

Nrich: British website of rich tasks

- includes Calculus topics

YouCubed Tasks: Open-ended, low floor/high ceiling tasks organized by grade and concept

G'Day Math!: James Tanton's lessons on a variety of topics including quadratics and permutations/combinations

NCTM's Task Library: Tasks to support high school students' reasoning and sense making

NCTM's Illuminations: Lessons and interactives sortable by concept or grade level

EDC Problems: Problems organized by topic and level of student knowledge required

MathMINDHabits: Focuses on problem posing and conjecturing

Inside Mathematics: Lesson tasks, performance assessments, problems of the month

Illustrative Math: Tasks aligned to CCSSM standards.

Which One Doesn't Belong - Collections of four items (of mathematical nature). An argument for selecting any one of the four items can be made.

Robert Kaplinsky - Lesson seeds and blog

Howard County Public Schools - Routines, lesson seeds, videos... Organized by grade/course

Dan Meyer's Resources:

- Math Class Needs a Makeover TED Talk
- How to use Three-Act Math Tasks
- List of Three-Act Math Tasks
- Directory of Math Headaches

**Manipulatives:**

Algeblocks

Algebra Lab Gear

Algebra Tiles

**Math-Specific Technology:**

Desmos: Free lessons and activities using Desmos (free math software)

Geogebra: This free dynamic math software tool allows users to explore geometry, algebra, tables, graphing, statistics and other areas of math in one easy-to-use package.