### Clarifications

*Clarification 1:*Within this benchmark, the expectation is not to use decimal values.

*Clarification 2:* Addition and subtraction problems are limited to sums within 100 and related differences. Refer to Situations Involving Operations with Numbers (Appendix A).

**Subject Area:**Mathematics (B.E.S.T.)

**Grade:**2

**Strand:**Measurement

**Date Adopted or Revised:**08/20

**Status:**State Board Approved

## Related Courses

## Related Access Points

## Related Resources

## Formative Assessments

## Lesson Plans

## Original Student Tutorials

## STEM Lessons - Model Eliciting Activity

Students will help choose the best value of connecting blocks by developing a procedure based on the following criteria: color, ease of use, variety of blocks, and number of blocks per set. They will reassess these blocks during the twist incorporating a new type of block. They will need to calculate the total costs of each set of blocks.

Students may arrange the criteria based on their teams’ interpretation of most important to least important. Students may have to make trade-offs based on these interpretations (i.e., price versus the other criteria in the data sets).

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

This Model Eliciting Activity is written at a second-grade level. In teams, students will make decisions about how to select the best cookie shop to help Ms. Betty with the purchasing of chocolate chip cookies while still being cost effective for her school.

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

Students use problem solving skills, data sets presented in a chart, two and three digit addition, writing skills and money skills to determine which brand of jelly beans they would like to purchase. The jelly beans differ in taste, quantity, and cost. The students must then check their procedure to determine if it will work when given an additional piece of data.

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.

The focus of this lesson is to devise a plan and justify it in order to choose the best school supply company. Students will use problem-solving skills, data sets presented in a chart, two- and three-digit addition, writing skills, and money skills to determine the best school supply company. Students will also need to check their procedure to determine if it will work when given additional data.

This Model Eliciting Activity (MEA) is written at a 2nd grade level. In this MEA students need to help the owner of Video Game City help his customers decide which gaming system best meets their needs. Students can consider the cost of each gaming system in their rankings. In part 2, students will need to add the cost of each gaming system and accessory.

Yum Pizza is looking for a better and healthier pizza to sell in stores around town. They are only able to promote one style and need help figuring out which one that should be. Students will practice subtracting dollar amounts and writing a letter explaining their reasoning.

This Model Eliciting Activity is written at a second-grade level. In teams, students will make decisions about how to select the best baby food based on several characteristics. They will need to calculate the cost to produce two types of baby food.

## MFAS Formative Assessments

Students are asked to combine the values of bills and write the total value using the dollar symbol.

Students are asked to combine the values of coins and write the total value using the cent symbol.

Students consider two different ways to make fifty cents using quarters, dimes, nickels, and pennies.

Students are asked to solve a two-step word problem involving money in the form of coins.

## Original Student Tutorials Mathematics - Grades K-5

Learn to add a combination of coins, such as quarters, dimes, nickels, and pennies using a number line, skip counting, and a hundred chart in this interactive tutorial.

This interactive tutorial is part 3 of 5. Click below to open the other tutorials in the series.

Use place value and a tens and ones chart to add pennies, nickels, dimes, quarters in this interactive tutorial.

This is part 4 of 5. Click below to open the other tutorials in the series.

## Student Resources

## Original Student Tutorials

Use place value and a tens and ones chart to add pennies, nickels, dimes, quarters in this interactive tutorial.

This is part 4 of 5. Click below to open the other tutorials in the series.

**(Part 1) Let's Talk About Money****(Part 2) Let's Add Money: Using Similar Coins****(Part 3) Let's Add Money: Mixed Coins****(Part 5) Let's Make a Dollar!**

Type: Original Student Tutorial

Learn to add a combination of coins, such as quarters, dimes, nickels, and pennies using a number line, skip counting, and a hundred chart in this interactive tutorial.

This interactive tutorial is part 3 of 5. Click below to open the other tutorials in the series.

**(Part 1) Let's Talk About Money****(Part 2) Let's Add Money: Using Similar Coins****(Part 4) Let's Add Money: Place Value****(Part 5) Let's Make a Dollar!**

Type: Original Student Tutorial