Lesson 3

Birthday Party

Est. Class Sessions: 2
X

Mathematical Standards

3.OA.A
Represent and solve problems involving multiplication and division. (3.OA.A.2, 3.OA.A.3)

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.
MP4.
Model with mathematics.
MP5.
Use appropriate tools strategically.
MP6.
Attend to precision.

In the context of a birthday party, students work in groups or pairs on a set of problems that can be solved using division. Students are introduced to division number sentences.

Content in this Lesson

  • Making connections among representations of multiplication and division.
  • Representing solution strategies for division problems using models, drawings, and number sentences [E5].
  • Communicating problem-solving strategies so others can understand your thinking [MPE5].
  • Interpreting remainders [E5].
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Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Guide

Teacher Resources

 Teacher Guide - digital

Supplies for Student Pairs

30 or more counters
desk number line (0–100)

Materials for the Teacher

Display of the Ice Cube Problem Master (Teacher Guide)
Unit 10 Assessment Record
class number line (0–130)

Assessment in this Lesson

Assessment Expectation Assessed

Birthday Party
Check-In: Questions 8–10
Student Guide
Page 288
E5.
Represent solution strategies for problems involving division including interpreting remainders (e.g., models, drawings, number lines, tables, number sentences, and graphs).

Vocabulary in this Lesson