1) Choose a number and write it in the blue bubble using the or the tools. 2) Show the different ways you can partition that number by writing the parts in the green bubbles. 3) Duplicate pages at the to add more ways of partitioning or add more bubbles with . 4) to save your work.
Students choose a number (or ask them to select a number from a given number chart or number cards) to partition into two or three parts. Students can add bubbles to show that they can partition the number into more than three parts. They can also duplicate pages to show more variations. A students ability to show a variety of partitioning methods as well as showing the place value of numbers can indicate how proficient they are in these skills.