Kuta is a Software company that serves as a tool for math teachers to create and access worksheets and assessments at the middle and high school levels. Kuta is free, and covers math from Pre-Algebra through Calculus. On a given day when you are looking for a worksheet as an informal or formal assessment. You can almost always Google the topic followed by Kuta Software and something useful will come up. You can also access worksheets sorted by grade level on their website, and with a paid account you can even create your own. In David's placement classroom, this is the primary source for exit-ticket assessments.
i-Ready testing provides teachers, students, and families with a formative assessment. This tool assesses where student proficiency is at a particular moment, going based on grade level standards, in both reading and mathematics. i-Ready testing data can be used to track overall student and classroom progress, informing future curriculum and recommendations. In David's classroom, i-Ready scores are a key data point being used by students to determine whether or not they, as 7th graders in Math 2, are prepared to jump straight to algebra in 8th grade.
Classkick is a research-backed site intended on measuring student understanding, progress, and achievement in the classroom. Teachers use it to assign practice slides to their students with the ability to grade and provide specific feedback as they go. The constant loop of feedback makes this tool highly useful for review problems or formative assessments. Teachers can assign classkick slides when reviewing for tests, identifying in real-time students that are struggling and need more help to master the concepts.