Lesson 5

Comparing and Ordering

Est. Class Sessions: 2
X

Mathematical Standards

2.MD.A
Measure and estimate lengths in standard units. (2.MD.A.3)
2.NBT.A
Understand place value. (2.NBT.A.4)

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.

Students compare and order numbers with base-ten pieces and on a number line. They describe numbers using less than, greater than, and equal to. They write number sentences with the <, >, and = symbols.

Content in this Lesson

  • Using benchmarks to estimate a quantity [E6].
  • Using >, <, and = symbols [E7].
  • Comparing and ordering numbers (in the hundreds) using base-ten pieces and a number line [E8].

Daily Practice and Problems O–R

O. Using Doubles

P. Coin Jar

Q. Make Ten

R. How Much

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

 Student Activity Book

Teacher Resources

 Teacher Guide - digital

Supplies for Students

base-ten pieces (21 bits, 20 skinnies, 3–5 flats)
desk number line (0–100)

Supplies for Student Pairs

envelope or resealable bag

Materials for the Teacher

Display set of the Number Representation Cards Masters (Teacher Guide)

Display of the Two Number Order Game Boards Master (Teacher Guide)

Unit 6 Assessment Record

Display set of base-ten pieces: bits, skinnies, and flats

class number line (0–130)

chart paper, optional

Materials Preparation

Prepare Sets of Number Representation Cards. Copy and cut apart sets of the Number Representation Cards Masters for each pair of students and place them in an envelope or resealable bag. Students will use these cards in this lesson and in Lesson 7. You may want to copy these cards on heavier paper.

Prepare a Display Set of the Number Representation Cards. Copy and cut apart a set of the Number Representation Cards Masters for display use. These cards will be used to demonstrate how to play Number Order and for other comparing and ordering activities.

Assessment in this Lesson

Assessment Expectation Assessed Math Practices
Expectation Assessed
Walk the Number Line
Check-In: Question 5
Student Activity Book
Page 296
E6.
Estimate a quantity using 10 and 100 as benchmarks.
E7.
Use words and symbols (e.g., <, >, =) to show comparisons of quantities.
E8.
Compare and order three-digit numbers using base-ten pieces and a number line.

MPE5. Show my work. I show or tell how I arrived at my answer so someone else can understand my thinking.