Lesson 5

Base-Ten Hoppers

Est. Class Sessions: 2–3
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Mathematical Standards

3.NBT.A
Use place value understanding and properties of operations to perform multi-digit arithmetic. (3.NBT.A.2)

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.
MP5.
Use appropriate tools strategically.
MP6.
Attend to precision.
MP7.
Look for and make sense of structure.

Students develop flexibility composing and decomposing numbers. They use moves of ones, tens, and hundreds on number lines to develop mental math skills.

Content in this Lesson

  • Composing and decomposing numbers using ones, tens, and hundreds [E2].
  • Skip counting by tens and hundreds.
  • Showing different partitions of numbers using number lines and number sentences [E3].
  • Recognizing that different partitions of a number have the same total [E4].
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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

Materials for the Teacher

Display of the first Base-Ten Hoppers page (Student Guide) Page 86
Unit 4 Assessment Record

Assessment in this Lesson

Assessment Expectation Assessed

Helping Professor Peabody
Check-In: Questions 7–10
Student Activity Book
Pages 116–117
E2.
Compose and decompose numbers using ones, tens, hundreds, and thousands.
E3.
Show different partitions of numbers using base-ten pieces, number lines, and number sentences.

Vocabulary in this Lesson