Virginia Department of Education 
Integers: Addition and Subtraction
Young mathematicians construct their own understanding of integers with an inquiry-based math activity. Using colored chips to represent positive and negative numbers, children model a series of addition and subtraction problems as...
Code.org
Creativity in Algorithms
Groups work with the program they built in the previous lesson to make it more creative. The resource challenges pupils to add functionality to their existing programs by adding a new command.
Teach Engineering
The Fibonacci Sequence and Robots
What better way to introduce the idea of a sequence than with robots! An educational lesson plan explains the classic Fibonacci sequence before pupils build and program a robot to move. Additionally, the lesson plan challenges...