Lesson 9

Multiples of Tens and Hundreds

Est. Class Sessions: 1–2
X

Mathematical Standards

3.OA.A
Represent and solve problems involving multiplication and division. (3.OA.A.1, 3.OA.A.2, 3.OA.A.3)
3.OA.B
Understand properties of multiplication and the relationship between multiplication and division. (3.OA.B.5)
3.OA.C
Multiply and divide within 100. (3.OA.C.7)
3.OA.D
Solve problems involving the four operations, and identify and explain patterns in arithmetic. (3.OA.D.9)
3.NBT.A
Use place value understanding and properties of operations to perform multi-digit arithmetic.

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.
MP6.
Attend to precision.
MP7.
Look for and make sense of structure.
MP8.
Look for and express regularity in repeated reasoning.

Using base-ten pieces and Function Machines, students investigate and practice multiplication by multiples of 10 and 100.

Content in this Lesson

  • Multiplying by numbers that are multiples of ten and one hundred [E7].
  • Representing multiplication problems with drawings, base-ten pieces, and number sentences [E1].
  • Using strategies to solve multiplication problems [E2].
  • Using turn-around facts to solve multiplication problems [E4].
  • Using patterns to solve the multiplication facts [E5].
  • Identifying and using patterns in Function Machine tables to solve problems [E5, E7].

Daily Practice and Problems GG–HH

GG. Multiplication Facts: 0s and 1s

HH. What Time Is It?

X

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

My Multiplication Table, completed in Lesson 5 (Student Activity Book) Page 261
calculator

Supplies for Student Pairs

set of base-ten pieces

Materials for Teachers

Display of Professor Peabody's Table (Student Activity Book) Page 309
Patterns for Remembering the Facts class chart from Lessons 3, 4, and 5
Unit 8 Assessment Record
display set of base-ten pieces

Assessment in this Lesson

Assessment Expectation Assessed

Professor Peabody's Table
Student Activity Book
Page 309
E2.
Use strategies to solve multiplication and division problems (e.g., skip counting, repeated addition, repeated subtraction, reasoning from known facts, and invented).
E4.
Use turn-around facts to solve multiplication problems (applying the commutative property of multiplication).
E5.
Identify and use patterns to solve the multiplication facts for the 2s, 3s, 5s, 10s, 9s, and square numbers.
E7.
Multiply numbers that are multiples of 10.

Vocabulary in this Lesson