Lesson 6

Problem Solving with Area

Est. Class Sessions: 1–2
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Mathematical Standards

5.NBT.B
Perform operations with multidigit whole numbers and with decimals to hundredths. (5.NBT.B.5, 5.NBT.B.6)
5.MD.C
Geometric measurement: understand concepts of volume. (5.MD.C.3, 5.MD.C.4, 5.MD.C.5)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason quantitatively.
MP3.
Construct viable arguments and critique the reasoning of others.
MP5.
Use appropriate tools strategically.
MP7.
Look for and make use of structure.

Students use multiplication and division strategies to solve problems involving the area and perimeter of rectangles or shapes based on rectangles.

Content in this Lesson

  • Using multiplication and division strategies to find the area of rectangles or shapes based on rectangles [E8].
  • Using multiplication and division strategies to find the missing side length when given the area or perimeter [E8].
  • Solving multistep problems using addition, subtraction, multiplication, and division [E7].
  • Reading a problem carefully to know what questions to answer [MPE1].
  • Finding a strategy for solving area problems [MPE2].
  • Explaining solution strategies [MPE5].
  • Using labels to show what numbers mean [MPE6].
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Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Guide
Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Students

  • calculator
  • centimeter ruler

Materials for the Teacher

Assessment in this Lesson

Assessment Expectation Assessed Math Practices
Expectation Assessed

Problem Solving with Area
Check-In: Questions 16–17
Student Guide
Page 194
with corresponding
Feedback Box
Teacher Guide - digital
E7.
Solve multistep problems using addition, subtraction, multiplication, and division.
E8.
Use multiplication and division strategies to find the area of rectangles or shapes based on rectangles.
MPE1.
Know the problem. I read the problem carefully. I know the questions to answer and what information is important.
MPE2.
Find a strategy. I choose good tools and an efficient strategy for solving the problem.
MPE5.
Show my work. I show or tell how I arrived at my answer so someone else can understand my thinking.
MPE6.
Use labels. I use labels to show what numbers mean.

DPP Item W
Quiz Multiplication and Division Facts: 9s
E10.
Demonstrate fluency with multiplication and division facts for the nines.