Lesson Plan Library

Each lesson is tailored to a specific learning activity appropriate for 3rd to 5th grade level mathematics. Teachers are guided through lesson materials that have been modeled around established curriculum standards of the National Council of Teachers of Mathematics (NCTM), as well as employing learning methodologies outlined in Bloom's Taxonomy of Educational Objectives.

Lesson One: What's On Sale?

Lesson Length: Approximately 2 days

Learning Objectives

• The student will calculate sale prices based on 10%, 25%, 50%, and 75% price reductions.
• The student will demonstrate proficiency using a calculator to calculate new sale prices.
• The student will recognize that percentages can also be stated as decimals and fractions.

Lesson Two: Charting and Graphing Sales

Lesson Length: Approximately 2 days

Learning Objectives

• The student will analyze and represent weekly sales figures using tables, bar graphs, and pie charts.
• The student will draw conclusions using bar graphs and pie charts.

Lesson Three: Measuring Angles

Lesson Length: Approximately 2 days

Learning Objectives

• The student will analyze and measure angles using a protractor.
• The student will identify angles as right angles, acute angles, and obtuse angles.
• The student will build and draw right, actue and obtuse angles.

Lesson Four: Estimating School Store Purchases

Lesson Length: Approximately 2 days

Learning Objectives

• The student will identify appropriate uses for estimation.
• The student will round purchase prices to estimate total purchases in a school store setting.
• The student will practice estimating by using rounding and mental computations to arrive at estimates.

Lesson Five: Paying with Coins

Lesson Length: Approximately 2 days

Learning Objectives

• The student will identify various ways to represent the same dollar amount using coins.
• The student will pay for items using coins of various denominations and in multiple combinations to arrive at the same total amount.
• The student will propose purchase options given an alloted amount of money (budget) to make those purchases.

Lesson Six: Analyzing Price and Sales Data

Lesson Length: Approximately 1 day

Learning Objectives

• The student will complete product analyses by calculating the mean, median, mode, and range for a given set of item retail prices.
• The student will complete sales analyses by calculating mean, median, and range using daily sales data.
• The student will understand how statistics are used to collect, organize, and interpret data.

Lesson Seven: Calculating Sales Tax

Lesson Length: Approximately 2 days

Learning Objectives

• The student will understand and explain the role of state sales taxes.
• The student will create a sales tax chart by calculating the sales tax amount and tax inclusive retail price for 20 school store items.
• The student will calculate subtotals, sales tax amounts, and total purchase amounts for multi-item sales receipts.

Lesson Eight: Making Change

Lesson Length: Approximately 2 days

Learning Objectives

• The student will understand the roles of the cashier and customer when making and receiving change.
• The student will calculate change based on single item purchases paid with a $1.00 and $5.00 bill.
• Assuming the role of a cashier, the student will calculate total purchase amounts for multi-item sales receipts and the amount of change to give to a customer based on cash paid.
• The student will compute change, given various item prices and cash paid, in a game of bingo.

Lesson Nine: Tracking Inventory

Lesson Length: Approximately 2 days

Learning Objectives

• The student will understand and explain inventory and the importance of inventory tracking.
• The student will calculate ending inventory for school store items using beginning inventory, sales, and order information.
• The student will determine which items need to be re-ordered based on the store’s inventory goals and policy.

Lesson Ten: Profit and Loss

Lesson Length: Approximately 2 days

Learning Objectives

• The student will understand profit and loss, components of a simple profit and loss statement, and the importance of a profit and loss statement.
• The student will calculate profits using gross income, total expenses, and cost of goods sold.
• The student will analyze monthly profit and loss statements for a school store and calculate profit margin percentages.