Unit Plan
Khan Academy

Khan Academy: Multi Step Estimation Word Problems

For Students 3rd - 5th Standards
Use estimation to solve multi-step word problems involving addition, subtraction, multiplication, and division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Unit Plan
Khan Academy

Khan Academy: Challenging Add and Subtract Word Problems (Within 100)

For Students 1st - 3rd Standards
Practice solving more challenging addition and subtraction word problems with "more" and "fewer". Multi-step problems are also included. Numbers used are 100 or less. Students receive immediate feedback and have the opportunity to try...
Lesson Plan
Other

Nz Maths Problem Solving Lesson Plans: Level 1

For Teachers 3rd - 5th
NZMaths, a New Zealand teacher resource, provides lesson plans for students in algebra, geometry, measurement, numbers, statistics, logic and reasoning.
Lesson Plan
Can Teach

Can Teach: Target: An Equations Game

For Teachers Pre-K - 1st Standards
Using decks of cards and knowledge of number operations, students develop multi-step equations to reach a target number.
Lesson Plan
University of Nottingham

Mathematics Assessment Project: Modeling Population Growth: Having Kittens

For Teachers 9th - 10th Standards
This activity unit guides students in developing strategies for modeling problems. The task focuses on investigating a cat shelter's claims about the rate of cat population growth. The unit includes a full lesson plan, examples of...