This is a step by step lesson of three-digit addition with regrouping using place value. I'm a combo teacher so I did this lesson with both my 2nd and 3rd graders. This Lesson may be done over 3 to 4 days. Lesson 2 day 1 may take from 60-75 mins. Independent practice could be used for assessment on day 2. There is a writing activity, Task 1, which incorporates common core elements for students to explain their understanding and reasoning.
Lesson 2 includes:
- Teacher Model and Lesson for Day 1
- Independent practice/Assessment for Day 2
- Writing problem-Task 1, Day 3
- Addition Pyramid Foldable Activity
Answer key for page 1
Answer key for page 2
- Lección del maestro, dia 1
- Práctica independiente/Exámen, dia 2
- Escritura-Tarea 1, dia 3
Pirámide de sumar - actividad
Respuestas de la página 8
Respuestas de la página 9
This lesson also includes what the students read, say, and write for English Learners and has a sentence frame inside the thinking clouds to help students verbalize how to solve two three-digit numbers.
This lesson could be used in:
-Pull out or RTI
Common Core Standards are taken from: http://www.cde.ca.gov/
2.NBT.7 Add and subtract within 1000, using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method. Understand that in adding or subtracting three-digit numbers, one adds or subtracts hundreds and hundreds, tens and tens, ones and ones; and sometimes it is necessary to compose or decompose tens or hundreds.
3.NBT.2 Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
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