## Build a Cafe

As seen in *Cross-Multiply? Not So Fast*, this PowerPoint presents a series of real-world problems that students need to solve using their knowledge of ratios.

*SOURCE:* Doing What Works

- K–2 Apply K–2 filter (38)
- 3–5 Apply 3–5 filter (67)
- 6–8 (119)
- 9–12 Apply 9–12 filter (30)

Classroom Materials

As seen in *Cross-Multiply? Not So Fast*, this PowerPoint presents a series of real-world problems that students need to solve using their knowledge of ratios.

*SOURCE:* Doing What Works

Classroom Materials

This worksheet provides practice problems that encourage students to use build-up strategies when working on ratio problems as shown in *Cross-Multiply? Not So Fast.*

*SOURCE:* Doing What Works

Classroom Materials

Students use counters or blocks to work out their responses to three problems and then represent their answers as shown in *Cross-Multiply? Not So Fast.*

*SOURCE: *Doing What Works

Expert Interviews

Audio Interviews

Classroom Video

Overviews

Professional Development Tools

These video-based resources help math teachers in grades 6–10 address “problems of practice” associated with the issues and challenges of teaching linear functions.

*SOURCE:* Nanette Seago, Judy Mumme, Nicholas Branca, WestEd

Other

This resource presents the results of WestEd’s alignment study that analyzed the degree of overlap between the CCSS and Louisiana’s Grade-Level Expectations for K–12 math.

*SOURCE:* WestEd

Other

WestEd analyzed specific differences between the Common Core mathematics standards and the Louisiana Grade-Level Expectations at each grade level. This report helps Louisiana’s math teachers better understand what will remain the same and what will change in school year 2012–13.

*SOURCE:* WestEd