Unit 9: Grade 5 Lessons

In this learning activity, students determine the amount of money that needs to be raised by students in junior grades in a school fundraising project. To solve this problem, students use a variety of addition and subtraction strategies, including paper-and-pencil and mental computational methods. After solving the problem, students discuss and reflect on the efficiency of various strategies.

In this learning activity, students solve a problem in which they determine the cost of a field trip for 29 students who each pay $20. The problem-solving experience provides an opportunity for students to explore a variety of multiplication strategies, including the use of the distributive property.

In this learning activity, students solve a problem by determining the number of tables that are needed for 165 people if 6 people sit at each table. The focus in this learning activity is on having students use strategies that make sense to them, rather than on applying learned procedures.

In this learning activity, students use variables is a way to efficiently and generally describing relationships that can also be described using words. Students will learn how to find the missing number in equations involving addition and subtraction.