Although all of the Math Teaching Practices are important, I find the first practice, "Establish mathematics goals to focus learning," to be the most important for me to be mindful of when planning a lesson. While important, it is also the most challenging portion of the planning process. Here are the steps I take.

__Step 1: Read the Standard__

I mean,

__REALLY READ THE STANDARD!__The standards are very dense and can be difficult to make sense of. I read them closely and look for parts. Lets look at a 6th grade standard.

*Understand the concept of a ratio as comparing two quantities multiplicatively or joining/composing the two quantities in a way that preserves a multiplicative relationship. Use ratio language to describe a ratio relationship between two quantities. For example, "There were 2/3 as many men as women at the concert.”*

I see two parts. 1) Understand what a ratio is and that it can be extended. 2) Describe ratios using appropriate ratio language (this includes written formats). At first glance, this seems pretty straight forward. Caution is needed here as understanding ratios and seeing the multiplicative relationships within them can be difficult. So although it is only 1 sentence in the standard there is a lot of intricacy in what students need to understand. However, this blog is about writing mathematical goals, so I am not going to dig deeper into that but does illustrate my point about really reading and thinking deeply about the mathematics that is the focus of the standard.

__Step 2: Consult the AZ Performance Level Descriptors & Item Specifications__

You can access these documents here for grades 3-5, here for grades 6-8 and here for End of Course standards (Alg. I, II, and Geometry). These two documents have become "go to" resources for me. They clearly define what students should be able to do and give some insight into what is basic understanding and/or skill and what is full understanding and/or skill. They provide information about number sets that should be included as well.

From the Performance Level Descriptors we see the following information.

As I read across the columns, I can begin to get a sense of what the standard is expecting students to not only do, but what the understanding expectations are. Generally, there are multiple ideas that students are to understand but I can begin to determine where my focus will lie. What sticks out to me is that students are to "connect between representations for ratio situations."

Here is the item specification information for the standard.

This document contains a lot of information that is helpful in thinking about the mathematical goal. There is a lot of emphasis on using language and describing. I also notice what representations students will be expected to use in the "Sample Task Demands" section. For this standard, tape diagrams and double number line graphics are specifically mentioned. This can also be helpful as you think about the mathematical goal. The "Recommended Math Practices" can also be considered when writing math goals.

__Step 3: Consult other resources if needed__

At this point, I might refer Acheive the Core's Coherence Map which can help when building on previous understanding or preparing for future understanding and/or skills. I will continue to consult resources if I am unclear on the standard.

__Step 4: Write the mathematical goal__

I will then take a stab at writing a mathematical goal. For this standard, there are a lot of mathematical goals that are appropriate, depending on the experience that students have with ratios. If students have little experience with ratios I might start with "students will understand that a ratio can be a part to part relationship or a part to whole relationship." Or, "students understand that a ratio is a multiplicative relationship and that this relationship can be extended to larger or smaller quantities." If I decide to focus on representations, the math goal might be "Students will understand that double number lines and tape diagrams can be used to extend ratios."

Once I have my math goal, I can begin to build an effective task based lesson. The goal keeps me on track and ensures that I assess for the correct understanding during the lesson. I choose better task, ask better questions and am ultimately a better teacher when I use this process.

I'd love to hear what your thoughts are and what process you use to write math goals in the comments.

Principles to Actions: Ensuring Mathematical Success for All. NCTM, National Council of Teachers of Mathematics, 2014.