# 6. Solve problems by finding equivalent amounts of money (A)

teaches Common Core State Standards CCSS.Math.Content.2.MD.C.8 http://corestandards.org/Math/Content/2/MD/C/8
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4

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Lesson objective: Apply understanding of how different monetary combinations make the same value in order to solve a story problem.

This lesson provides an opportunity for students to apply their knowledge and understanding of making equivalent amounts of money with different combinations to a real-life situation. Students are asked to come up with at least five different ways to make $1.00 for kids to be able to buy a treat at the bake sale. Key Concept students will use: • We can make the same amounts of money using different combinations of bills and coins. Skills students will use: • skip count by different values to end at the same money amount • use different coins and understand the values of each to make an amount of money • understand the equivalence of dollars and coins Students engage in Mathematical Practice 4 (Model with mathematics) as they show the different combinations of dollars and coins that can be used to make$1.00. Students can use number lines, drawings, and equations to show how the values of the dollars and coins make this amount.

Key vocabulary:

• combination
• dime
• dollar
• nickel
• number line
• penny
• quarter
• same amount
• skip count
• values

Special materials needed:

• coins
• hundreds grid
• number lines (filled in and blank)
• scratch paper
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