Third Grade Mental Math
Grade 3 / Math / Number Sense
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 CoreTalking About Math: Sharing StrategiesGrade 3 / Math / Student VoiceMath.3.NBT.A.2
 53
 9

Lesson IdeaPopsicle Stick Math: Making 10Grades K3 / Math / Counting
 146
 16

Lesson Idea  Common CoreSubtraction as a Confidence BuilderGrades 35 / Math / Multiple MethodsMath.3.NBT.A.2
 160
 3

Lesson Idea (Common Core)Quick Images: Visualizing Number CombinationsGrade K / Math / CompositionMath.K.OA.A.1 / Math.K.OA.A.3
 630
 38

Lesson Idea (Common Core)Reasoning About DivisionGrades 35 / Math / StrategiesMath.4.NBT.B.6
 862
 95

Lesson Idea (Common Core)Chessboard Algebra and Function MachinesGrades 35 / Math / FunctionsMath.4.OA.A.2 / Math.4.OA.C.5
 8
 5

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
 552
 123

Lesson Idea  Common CorePreparation for Fraction MultiplicationGrades 35 / Math / ScaffoldingMath.5.NF.B.4 / Math.5.NF.B.6
 163
 13
 Lesson Objective
 Use the strategies of decomposing, jumps of ten, and splitting
 Length
 6 min
 Questions to Consider
 How does mental math deepen students understanding of the basic operations?
 What strategies does Ms. Saul use to encourage independent thinking before sharing responses?
 Notice how students use a common vocabulary to describe strategies.
 Support Materials Below
 More Info on Mental Math
 Common Core Standards
 Math.3.NBT.A.2
Teacher & School Info
 School Details
 Aspire East Palo Alto Charter School East Palo Alto, CA
 Population
 759 students
 District Spending
 $8,487
Supporting Materials

Transcript for Third Grade Mental Math

More Information on Mental Math Strategies
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) Third Grade Mental Math
Grade 3 / Math / Number Sense