Number & Operations: More Problem Solving Grades 3-5

Mary 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 ReasoningStudents justify their answers Communicatio n 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 AssessmentStudents gave evidence of making progress toward the lesson objective

Mary Lou

STANDARDS FIT As a classroom teacher, we are required to cover all of the grade level standards. As a classroom teacher, we are required to cover all of the grade level standards. It is important to address the GLEs as well as the CHECKS in our quest to cover those SPIs. It is important to address the GLEs as well as the CHECKS in our quest to cover those SPIs. In grade level teams, mark the GLEs/CHECKS/SPIs that our activities cover. In grade level teams, mark the GLEs/CHECKS/SPIs that our activities cover.

STANDARDS FIT Activity: 3 rd Standards 4 th Standards 5 th Standards

AIMS: Solve It Grade 4 Centennial Celebration Calculation Your class has been put in charge of decorating the cafeteria for the hundredth day of school celebration. You would like to use fancy cut-out numerals to make all the numbers from one to 100 to place around the tops of the cafeteria walls. Your class has been put in charge of decorating the cafeteria for the hundredth day of school celebration. You would like to use fancy cut-out numerals to make all the numbers from one to 100 to place around the tops of the cafeteria walls. After doing some research you find that the local discount sore has gold numerals for 5¢ each. The local stationary store has the exact same numerals, but a difference pricing scheme. They charge 10¢ per numeral for the first 10. The next 100 numerals are 5¢ apiece. Any numerals beyond are 3¢ each. After doing some research you find that the local discount sore has gold numerals for 5¢ each. The local stationary store has the exact same numerals, but a difference pricing scheme. They charge 10¢ per numeral for the first 10. The next 100 numerals are 5¢ apiece. Any numerals beyond are 3¢ each. Your class has a budget of $20 for decorations. Can you buy the numerals as part of your decoration plans? Which store has a better deal? How many of each numeral will you need? Your class has a budget of $20 for decorations. Can you buy the numerals as part of your decoration plans? Which store has a better deal? How many of each numeral will you need?

Solving Problems  Mom just filled the cookie jar with cookies. They were chocolate-chunk cookies – my favorite. My brother came home from soccer practice and took half the cookies. My sister came home from dance lessons and took half of what was left. When my dad got home from work, he took half the remaining cookies. By the time I finished my homework and went downstairs for a snack, there were only two cookies left. How many cookies did mom put in the cookie jar? pp. 133