Lesson 7

Using Number Sense at the Book Sale

Est. Class Sessions: 1
X

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason quantitatively.
MP4.
Model with mathematics.
MP5.
Use appropriate tools strategically.
MP6.
Attend to precision.

Students solve word problems involving purchasing books at a book sale. They estimate to find which items they can buy for a given amount of money.

Content in this Lesson

  • Using mental math strategies to solve problems involving money [MPE2, MPE6].
  • Using benchmarks to estimate [MPE2].
  • Communicating mathematical reasoning [MPE5].

Daily Practice and Problems U–V

U. Fact Families Quiz

V. More Story Solving

X

Materials for Students

Daily Practice and Problems Lesson Assessment

Student Books

 Student Guide  

Teacher Resources

 Teacher Guide - digital

Supplies for Students

desk number line (0–100)

Materials for Teacher

class number line (0–130)
Unit 5 Assessment Record
Math Facts Class Record
Unit 5 Individual Assessment Record

Assessment in this Lesson

Assessment Expectation Assessed Math Practices Expectation Assessed

Using Number Sense at the Book Sale
Check-In: Question 11
with Feedback Box
Student Guide
Page 124
and the corresponding
Feedback Box
Teacher Guide - digital

  
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 U
Fact Families Quiz
Teacher Guide - digital
E10.
Determine the unknown number in an addition or subtraction sentence relating three whole numbers for the facts in Groups 7 and 8.

DPP Item V
More Story Solving
Teacher Guide - digital
E11.
Use fact strategies, drawings, and number sentences to solve word problems involving multiplication facts for the square numbers.
  

Vocabulary in this Lesson