Final answer:
Formative assessment is being used in this situation as students are given practice problems and check your understanding questions to apply and demonstrate their understanding of concepts and skills. The correct option is (1)
Step-by-step explanation:
The type of assessment being used in this situation is formative assessment. Formative assessments are used to monitor student learning and provide feedback during the learning process.
They help teachers identify areas of strength and areas that need improvement so they can adjust their instruction accordingly.
In this situation, the practice problems and check your understanding questions serve as formative assessments as they allow students to apply and demonstrate their understanding of the concepts and skills.