Math Investigation - Prepare to Party (3)

A 60-minute lesson in which students will apply knowledge of decimals and percentages to a real-world context.

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CCSS.MATH.CONTENT.5.NBT.B.7

Add, subtract, multiply, and divide decimals to hundredths, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written me...
CCSS.MATH.CONTENT.6.RP.A.3.C

Find a percent of a quantity as a rate per 100 (e.g., 30% of a quantity means 30/100 times the quantity); solve problems involving finding the whole, given a part and the percent.

Math 5.1(A)

Apply mathematics to problems arising in everyday life, society, and the workplace;
Math 5.1(B)

Use a problem-solving model that incorporates analyzing given information, formulating a plan or strategy, determining a solution, justifying the solution, and evaluating the problem-solving process and the reasonableness of the solution;
Math 5.1(C)

Select tools, including real objects, manipulatives, paper and pencil, and technology as appropriate, and techniques, including mental math, estimation, and number sense as appropriate, to solve problems;
Math 5.1(D)

Communicate mathematical ideas, reasoning, and their implications using multiple representations, including symbols, diagrams, graphs, and language as appropriate;
Math 5.1(E)

Create and use representations to organize, record, and communicate mathematical ideas;
Math 5.1(F)

Analyze mathematical relationships to connect and communicate mathematical ideas; and
Math 5.1(G)

Display, explain, and justify mathematical ideas and arguments using precise mathematical language in written or oral communication.
Math 5.3(E)

Solve for products of decimals to the hundredths, including situations involving money, using strategies based on place-value understandings, properties of operations, and the relationship to the multiplication of whole numbers;

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