Subtraction as a Confidence Builder
Grades 35 / Math / Multiple Methods
CCSS:
Math.3.NBT.A.2
Common Core State Standards
Math 
Math 
3 
Grade 3 
NBT 
Numbers & Operations in Base Ten 
A 
Use place value understanding and properties of operations to perform multidigit arithmetic 
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. 
Download Common Core State Standards (PDF 1.2 MB) 
Related Videos
<

Lesson Idea (Common Core)Making Math Fun with Place Value GamesGrade 2 / Math / Place ValueMath.2.NBT.A.4 / Math.2.NBT.B.5 / Math.2.NBT.A.1a
 418
 111

Lesson Idea (Common Core)Skip Counting With Counting CollectionsGrades K2 / Math / StrategiesMath.2.NBT.A.1a / Math.2.NBT.A.2 / Math.Practice.MP5
 263
 33

Lesson Idea (Common Core)Counting Collections to 100Grades K2 / Math / AdditionMath.1.NBT.C.4 / Math.1.NBT.C.5
 172
 16

Lesson Idea (Common Core)Multiplying Whole Numbers & FractionsGrades 35 / Math / ReasoningMath.4.NF.B.4b / Math.Practice.MP2 / Math.Practice.MP3
 218
 33

Lesson Idea (Common Core)Quick Images: Visualizing Number CombinationsGrade K / Math / CompositionMath.K.OA.A.1 / Math.K.OA.A.3
 341
 36

Lesson Idea (Common Core)Chessboard Algebra and Function MachinesGrades 35 / Math / FunctionsMath.4.OA.A.2 / Math.4.OA.C.5
 7
 5

Lesson Idea (Common Core)Reasoning About DivisionGrades 35 / Math / StrategiesMath.4.NBT.B.6
 757
 93

Teaching PracticeFormative Assessment: Understanding FractionsGrades 34 / Math / FractionsMath.3.NF.A.1 / Math.Practice.MP1 / Math.Practice.MP2
 16
 14
 Lesson Objective
 Students gain confidence by using a variety of subtraction methods
 Length
 14 min
 Questions to Consider
 How do students subtract by making "jumps" on the number line?
 How does the "adding on" method help students see that addition and subtraction are related?
 How are students assessed by the head teacher, the teacher, and the teaching assistant?
 Common Core Standards
 Math.3.NBT.A.2
Supporting Materials

Subtraction as a Confidence Builder Summary
Subtraction as a Confidence Builder program summary
Embed This Tch Video on Your Site
Just copy the code below and paste it into your html code where you want the video to appear. This latest code supports iPad, iPhone, Flash and more.
Lesson Idea (Common Core) Subtraction as a Confidence Builder
Grades 35 / Math / Multiple Methods