ALEX Classroom Resource

  

Place Value Chart: 2-Digit and 3-Digit Addition and Subtraction

  Classroom Resource Information  

Title:

Place Value Chart: 2-Digit and 3-Digit Addition and Subtraction

URL:

https://aptv.pbslearningmedia.org/resource/911a7c1a-aa56-4a6e-830b-2f5577f29a95/place-value-chart/

Content Source:

PBS
Type: Audio/Video

Overview:

Becoming comfortable with two-digit and three-digit numbers is an important skill in third grade. Students will master addition and subtraction problems within one-thousand. How students learn to understand addition and subtraction is very important. 

Content Standard(s):
Mathematics
MA2019 (2019)
Grade: 3
11. Use various strategies to add and subtract fluently within 1000.

Unpacked Content
Evidence Of Student Attainment:
Students:
When given problems of addition and subtraction within 1000,
  • Fluently find sums and differences using strategies based on place value, properties of operations, and the relationship between addition and subtraction.
  • Justify strategies and by relating the strategy to a written method and explain reasoning used.
  • Use estimation strategies to check for reasonableness and justify solutions.
Note: Standard algorithm for addition and subtraction is not a grade 3 expectation.
Teacher Vocabulary:
  • Fluently
  • Sum
  • Difference
  • Place value
  • Strategy
Knowledge:
Students know:
  • The relationship between addition and subtraction operations.
  • How conceptual models support and give understanding to procedures for addition and subtraction.
Skills:
Students are able to:
  • Use a variety of strategies to solve addition and subtraction problems within 1000.
Understanding:
Students understand that:
  • Strategies for addition and subtraction will vary depending on the problem.
  • Strategies can include place value, properties of operations, and the relationship between addition and subtraction.
Diverse Learning Needs:
Essential Skills:
Learning Objectives:
M.3.11.1: Define the commutative and associative properties of addition and subtraction.
M.3.11.2: Subtract within 100 using strategies and algorithms based on the relationship between addition and subtraction.
M.3.11.3: Subtract within 100 using strategies and algorithms based on properties of operations.
M.3.11.4: Subtract within 100 using strategies and algorithms based on place value.
M.3.11.5: Add within 100 using strategies and algorithms based on the relationship between addition and subtraction.
M.3.11.6: Add within 100 using strategies and algorithms based on properties of operations.
M.3.11.7: Add within 100 using strategies and algorithms based on place value.
M.3.11.8: Recall basic addition and subtraction facts.

Prior Knowledge Skills:
  • Add within 100, including adding a two-digit number and a one-digit number and adding two two-digit numbers.
  • Add within 20, demonstrating fluency for addition within 10.
  • Add and subtract within 20.
  • Identify place value for ones, tens and hundreds.
  • Read number names one through one hundred.

Alabama Alternate Achievement Standards
AAS Standard:
M.AAS.3.10 Using vocalization, sign language, augmentative communication, or assistive technology use concrete materials and pictorial models to model whole numbers.


Tags: addition, subtraction, threedigit, twodigit, within 1000
License Type: Custom Permission Type
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Partnered Event: ALEX Resource Development Summit
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Comments

ALCOS 2019

11. Use various strategies to add and subtract fluently within 1000.

  This resource provided by:  
Author: Michelle Frye
The event this resource created for:ALEX Resource Development Summit
Alabama State Department of Education