Lesson 9: Math Investigation – Prepare to Party (1)
Operations with Decimals and Percentages Unit Plan - Year 5 and Year 6 | Lesson 9 | 60 minutes
A 60 minute lesson in which students will apply knowledge of decimals and percentages to a real-world context.
Common Core State Standards alignment
Grade 5 > Standards for Mathematical Practice > Number & Operations in Base Ten > Perform operations with multi-digit whole numbers and with decimals to hundredths > 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 method and explain the reasoning used.
Grade 6 > Standards for Mathematical Practice > Ratios & Proportional Relationships > Understand ratio concepts and use ratio reasoning to solve problems > CCSS.MATH.CONTENT.6.RP.A.3 > 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.