This Formative Assessment Lesson is designed to be part of an instructional unit. This task should be implemented approximately two-thirds of the way through the instructional unit. The results of this task should then be used to inform the instruction that will take place for the remainder of your unit.
This lesson is intended to help you assess how well students understand the result of multiplying and dividing by a decimal less than and greater than one and what strategies they use to perform these operations. It will help you to identify students who have the following difficulties:
• Lack of conceptual understanding of the properties of numbers
• Do not see the relationship between multiplication and division
• Applying efficient strategies to multiply and divide with decimals to hundredths.
Common Core State Standards
This lesson involves mathematical content in the standards from across the grades, with emphasis on:
Number and Operations in Base Ten 5.NBT.7
• Perform operations with multi-digit whole numbers and with decimals to hundredths.
This lesson involves a range of Standards for Mathematical Practice, with emphasis on: 2. Reason abstractly and quantitatively.