Lesson 9

Product Bingo

Est. Class Sessions: 2
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Mathematical Standards

4.NBT.B
Use place value understanding and properties of operations to perform multi-digit arithmetic. (4.NBT.B.5)
4.OA.B
Gain familiarity with factors and multiples. (4.OA.B.4)

Standards for Mathematical Practice

MP1.
Make sense of problems and persevere in solving them.
MP2.
Reason abstractly and quantitatively.
MP8.
Look for and express regularity in repeated reasoning.

Students play a game that provides extended practice with multiplication facts. They explore strategies for designing boards for the game by finding factors of numbers and identifying prime numbers. Students communicate their reasoning as they solve these problems.

Content in this Lesson

  • Determining whether one number is a multiple of another number [E2].
  • Determining whether one number is a factor of another number [E3].
  • Identifying prime numbers [E4].
  • Identifying square numbers [E5].
  • Finding the prime factors of a number [E6].
  • Practicing the multiplication facts.
  • Explaining mathematical reasoning [MPE5].
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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

clear plastic spinner or a pencil and paper clip
small objects such as beans to use as markers
small multiplication table from Lesson 1 to take home (Teacher Guide)
student work sample of Check-In: Questions 2–3 on Design Your Own Boards page. See Materials Preparation.

Materials for the Teacher

Display of Math Practices page (Student Guide) Reference
Unit 3 Assessment Record
Math Facts Class Record

Materials Preparation

Spinners. If you do not have clear plastic spinners to place over the Spinners 1–4 and 1–10 page, students can use paper clips and pencils. Straighten out one end of the paper clip, and place a pencil through the curved end. Then, put the point of the pencil on the center of the spinner, and spin the paper clip around the pencil, using the straightened end as the pointer.

Student Work Samples. Choose student work samples for small groups to evaluate and provide feedback on Check-In: Questions 2–3 on the Design Your Own Boards page from the Student Activity Book. Samples are provided on the John's Work and Tanya's Work Masters. If you choose samples from your class, ask the students' permission and prepare to provide one copy of student work to each group of students.

Assessment in this Lesson

Assessment Expectation Assessed Math Practices
Expectation Assessed
Design Your Own Boards
Check-In:
Questions 2–3
with Feedback Box
Student Activity Book
Page 84
MPE5.
Show my work. I show or tell how I arrived at my answer so someone else can understand my thinking.
DPP Item AA
Factor Trees
Teacher Guide - digital
E6.
Find the prime factorization of a number.
DPP Item CC
Quiz on Fact Families for 5s, 10s, and Square Numbers
Teacher Guide - digital
E11.
Determine the unknown number in a multiplication or division sentence relating three whole numbers for the 5s, 10s, and square numbers facts.

Vocabulary in this Lesson