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Math
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Math
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Blended Learning
Math
Kindergarten
Counting & Cardinality
Operations & Algebraic Thinking
Number & Operations in Base Ten
Measurement and Data
Geometry
First Grade
Operations & Algebraic Thinking
Number & Operations in Base Ten
Measurement and Data
Geometry
Second Grade
Operations & Algebraic Thinking
Number & Operations in Base Ten
Measurement and Data
Geometry
Third Grade
Operations & Algebraic Thinking
Number & Operations in Base Ten
Numbers & Operations-Fractions
Measurement and Data
Geometry
Fourth Grade
Operations & Algebraic Thinking
Number & Operations in Base Ten
Number & Operations—Fractions
Measurement and Data
Geometry
Fifth Grade
Operations & Algebraic Thinking
Number & Operations in Base Ten
Number & Operations—Fractions
Measurement & Data
Geometry
Sixth Grade
Ratios & Proportional Relationships
The Number System
Expressions & Equations
Geometry
Statistics & Probability
Seventh Grade
Ratios & Proportional Relationships
The Number System
Expressions & Equations
Geometry
Statistics & Probability
Eighth Grade
The Number System
Expressions & Equations
Functions
Geometry
Statistics & Probability
HS Number & Quantity
The Real Number System
Quantities
The Complex Number System
Vector & Matrix Quantities
HS Algebra
Seeing Structure in Expressions
Arithmetic with Polynomials & Rational Expressions
Creating Equations*
Reasoning with Equations & Inequalities
HS Functions
Interpreting Functions
Building Functions
Linear, Quadratic, & Exponential Models*
Trigonometric Functions
HS Geometry
Congruence
Similarity, Right Triangles, & Trigonometry
Circles
Expressing Geometric Properties with Equations
Geometric Measurement & Dimension
Modeling with Geometry
HS Statistics & Probability
Interpreting Categorical & Quantitative Data
Making Inferences & Justifying Conclusions
Conditional Probability & the Rules of Probability
Using Probability to Make Decisions
Back
Number & Operations in Base Ten
Third Grade
Number & Operations in Base Ten
Operations & Algebraic Thinking
Number & Operations in Base Ten
Numbers & Operations-Fractions
Measurement and Data
Geometry
Use place value understanding and properties of operations to perform multi-digit arithmetic.
3.NBT.A.1
Use place value understanding to round whole numbers to the nearest 10 or 100.
25 Lessons
3.NBT.A.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.
51 Lessons
3.NBT.A.3
Multiply one-digit whole numbers by multiples of 10 in the range 10–90 (e.g., 9 × 80, 5 × 60) using strategies based on place value and properties of operations.
9 Lessons