The purpose of this task is for students to find different pairs of numbers that sum to 4.
The purpose of this task is for students to find different pairs of numbers that sum to 7.
The purpose of this task is for students to find different pairs of numbers that sum to 9.
The purpose of this task is for students to select 2 numbers from a set of 3 that sum to 9. The task can be completed for sums equaling any number. Teachers may choose to ask students to write the simple equations they select.
The purpose of this task is for students to select 2 numbers from a set that sum to 5 (or any other number).
The words compose and decompose are used to describe actions that young students learn as they acquire knowledge of small numbers by putting them together and taking them apart. This understanding is a bridge between counting and knowing number combinations. It is how instant recognition of small numbers develops and leads naturally to later understanding of fact families. This task helps them develop an understanding of number combinations.