Lesson 1

Skip Counting

Est. Class Sessions: 1
X

Mathematical Standards

1.NBT.A
Extend the counting sequence. (1.NBT.A.1)
1.NBT.B
Understand place value. (1.NBT.B.2)

Standards for Mathematical Practice

MP2.
Reason quantitatively.
MP5.
Use appropriate tools strategically.
MP6.
Attend to precision.
MP7.
Look for and make use of structure.

Students practice skip counting by twos in various contexts using different number representations.

Content in this Lesson

  • Grouping and counting objects by twos [E1].
  • Reading and writing numbers to 50 [E3].
  • Representing and identifying quantities using counters, number lines,
    and 100 Charts [E4].
  • Connecting representations of quantities (e.g., number lines, counters,
    100 Charts, calculators) [E5].

Daily Practice and Problems A–B

A. Yesterday and Today

B. Missing Numbers

X

Materials for Students

Daily Practice and Problems Lesson Homework Assessment

Student Books

Student Activity Book

Teacher Resources

Teacher Guide - digital

Supplies for Students

calculator
desk number line (0–40)

Materials for the Teacher

Display of My First 100 Chart Master (Teacher Guide)
Unit 5 Assessment Record
Even and Odd Chart from Unit 4
Two Ways to Count to Ten by Ruby Dee
counters or connecting cubes for display
red marker, crayonor colored pencil
class number line (0–130)

Materials Preparation

Display Even and Odd Chart from Unit 4. Display the Even and Odd Chart students made during Lesson 1 of Unit 4. See Figure 1.


Figure 1: Even and Odd Chart for adding models of even and odd numbers

Assessment in this Lesson

Assessment Expectation Assessed
Counting by Twos
Student Activity Book
Page 91
E1.
Group and count objects by two, fives, and tens.
E3.
Read and write numbers to 50.

Vocabulary in this Lesson