Lesson 3

How Many Monkey Treats

Est. Class Sessions: 1–2
X

Mathematical Standards

2.OA.A
Represent and solve problems involving addition and subtraction. (2.OA.A.1)
2.OA.B
Add and subtract within 20. (2.OA.B.2)
2.OA.C
Work with equal groups of objects to gain foundations for multiplication. (2.OA.C.4)
2.G.A
Reason with shapes and their attributes. (2.G.A.2)

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.
MP7.
Look for and make use of structure.
MP8.
Look for and express regularity in repeated reasoning.

Students focus on equal groups and repeated addition to develop the concept of multiplication. They create multiplication problems and number sentences as they play the game Monkey Treats.

Content in this Lesson

  • Representing multiplication problems using tiles, drawings, number lines, rectangular arrays, and number sentences [E2].
  • Making connections between repeated addition and multiplication [E3].
  • Distinguishing between addition and multiplication situations [E5].
  • Solving multiplication problems using strategies (e.g., skip counting, repeated addition) with tiles, drawings, number lines, rectangular arrays, and number sentences [E7].
  • Knowing what is important to solve a problem [MPE1].
  • Finding an efficient strategy for solving a problem [MPE2].
  • Showing or telling how to solve a problem [MPE5].
  • Using labels to show what numbers mean [MPE6].

Daily Practice and Problems I–J

I. Addition and Subtraction

J. Scales

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Student Pairs

40 connecting cubes
clear plastic spinner or pencil and paper clip
calculator
small cups, optional

Materials for the Teacher

Display of Monkey Treats (Student Activity Book) Pages 605–608
Unit 12 Assessment Record

Materials Preparation

Prepare Optional Targeted Practice. Use the Monkey Treats pages from the Student Activity Book to give students practice writing repeated addition and multiplication number sentences. Prepare additional copies of the directions and recording sheets. Place them in a learning center, along with spinners or paper clips and pencils. See Figure 1.




Figure 1: Using a pencil and paper clip as a spinner


Assessment in this Lesson

ASSESSMENT EXPECTATION ASSESSED MATH PRACTICES EXPECTATION ASSESSED
More Zoo Problems
with Feedback Box
Student Activity Book
Pages 611–614
E2.
Represent multiplication and division problems using tiles, drawings, number lines, rectangular arrays, and number sentences.
E3.
Make connections between repeated addition and multiplication.
E5.
Distinguish between addition and multiplication situations.
E7.
Solve multiplication and division problems using strategies (e.g., skip counting, repeated addition) with tiles, drawings, number lines, rectangular arrays, and number sentences.
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.