Number & Number & Operations:Operations:

More More Problem Problem SolvingSolving

Grades 3-5Grades 3-5

Mary Lou’s LessonMary Lou’s Lesson

Connections to Math

One or more real-life applications is explored in order for students to understand the mathematics.

Connections within Math

One or more connections is made to help students relate the new mathematics concept to concept(s) they already know

Problem solving

•Students figure out something they did not already know•Different students have opportunities to solve problems correctly in different ways

Reasoning Students justify their answers

Communication

•Students discuss mathematics•Students write about the mathematics•Mathematical symbols are used correctly and meaningfully

Questioning •Teacher asks higher order questions•Teacher probes for understanding and builds on students’ answers

Assessment Students gave evidence of making progress toward the lesson objective

Mary LouMary Lou

Mary LouMary Lou

Mary LouMary Lou

STANDARDS FITSTANDARDS FIT

As a classroom teacher, we are required to As a classroom teacher, we are required to cover all of the grade level standards.cover all of the grade level standards.

It is important to address the GLEs as well It is important to address the GLEs as well as the CHECKS in our quest to cover those as the CHECKS in our quest to cover those SPIs.SPIs.

In grade level teams, mark the In grade level teams, mark the GLEs/CHECKS/SPIs that our activities cover.GLEs/CHECKS/SPIs that our activities cover.

STANDARDS FITSTANDARDS FIT

Activity:

3rd Standards

4th Standards

5th Standards

AIMS: Solve It Grade 4 AIMS: Solve It Grade 4 Centennial Celebration Centennial Celebration

CalculationCalculation

Your class has been put in charge of decorating the Your class has been put in charge of decorating the cafeteria for the hundredth day of school celebration. cafeteria for the hundredth day of school celebration. You would like to use fancy cut-out numerals to make You would like to use fancy cut-out numerals to make all the numbers from one to 100 to place around the all the numbers from one to 100 to place around the tops of the cafeteria walls. tops of the cafeteria walls.

After doing some research you find that the local After doing some research you find that the local discount sore has gold numerals for 5¢ each. The local discount sore has gold numerals for 5¢ each. The local stationary store has the exact same numerals, but a stationary store has the exact same numerals, but a difference pricing scheme. They charge 10¢ per difference pricing scheme. They charge 10¢ per numeral for the first 10. The next 100 numerals are 5¢ numeral for the first 10. The next 100 numerals are 5¢ apiece. Any numerals beyond are 3¢ each. apiece. Any numerals beyond are 3¢ each.

Your class has a budget of $20 for decorations. Can Your class has a budget of $20 for decorations. Can you buy the numerals as part of your decoration plans? you buy the numerals as part of your decoration plans? Which store has a better deal? How many of each Which store has a better deal? How many of each numeral will you need? numeral will you need?

Solving ProblemsSolving Problems

Mom just filled the cookie jar with cookies. Mom just filled the cookie jar with cookies. They were chocolate-chunk cookies – my They were chocolate-chunk cookies – my favorite. My brother came home from soccer favorite. My brother came home from soccer practice and took half the cookies. My sister practice and took half the cookies. My sister came home from dance lessons and took half came home from dance lessons and took half of what was left. When my dad got home of what was left. When my dad got home from work, he took half the remaining from work, he took half the remaining cookies. By the time I finished my homework cookies. By the time I finished my homework and went downstairs for a snack, there were and went downstairs for a snack, there were only two cookies left. How many cookies did only two cookies left. How many cookies did mom put in the cookie jar?mom put in the cookie jar?

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