Lesson 3
Suma a tu manera
Lesson Purpose
The purpose of this lesson is for students to use strategies to add within 1,000.
Lesson Narrative
In this lesson, students review a variety of strategies used to add within 1,000 with an emphasis on adding hundreds and hundreds, tens and tens, and ones and ones. Students should have access to base-ten blocks.
- Engagement
- MLR6
Learning Goals
Teacher Facing
- Add within 1,000 in a way that makes sense to them.
Student Facing
- Sumemos números hasta 1,000.
Required Materials
Materials to Gather
Required Preparation
Lesson Timeline
| Warm-up | 10 min |
| Activity 1 | 25 min |
| Activity 2 | 10 min |
| Lesson Synthesis | 10 min |
| Cool-down | 5 min |
Teacher Reflection Questions
What strategies are students most comfortable using to add within 1,000? How will you leverage that student understanding in upcoming lessons on addition algorithms?
Suggested Centers
- Target Numbers (1–5), Stage 6: Add Hundreds, Tens, or Ones (Addressing)
- Five in a Row: Addition and Subtraction (1–2), Stage 8: Add within 1,000 with Composing (Addressing)
- Rectangle Rumble (3–5), Stage 2: Factors 1–5 (Supporting)