The Teens
Est. Class Sessions: 1–2
Students explore the numbers from 11 to 20 and their relationships with ten. Students then discuss the patterns in the naming of these numbers.
Content in this Lesson
- Representing and identifying numbers from 11–20 using counters, number lines, ten frames, 100 Chart, and symbols [E1].
- Representing partitions of two-digit quantities as tens and leftover ones [E2].
- Writing numbers from 11–20.
- Finding patterns in numbers from 11–20.
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Materials for Students
| Daily Practice and Problems | Lesson | Homework | Assessment | ||
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Student Book |
Student Activity Book |
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Teacher Resources |
Teacher Guide - digital |
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Supplies for Student Pairs
connecting cubes
Materials for the Teacher
Display of the 100 Chart (Student Activity Book) Reference
Display of Two Ten Frames Master (Teacher Guide)
Display of Japanese Numbers Master (Teacher Guide)
Unit 10 Assessment Record
Math Facts Class Record
chart paper
class number line (0–130)
Materials Preparation
Prepare Chart of Japanese Numbers. Write the numbers one through ten in English and Japanese on chart paper as shown in Figure 1. Students will use the chart in Part 2.
Figure 1: English and Japanese for one through ten
Assessment in this Lesson
| Assessment | Expectation Assessed |
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Showing Teens Student Activity Book Pages 283–284 |
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DPP Item A Addition Flash Cards: Group C Teacher Guide - digital |
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