01Understand Multiplication and DivisionMixed practice and exercises for Lessons 1-1 through 1-7Start practice →02Use Patterns for Foundational Multiplication FactsMixed practice and exercises for Lessons 2-1 through 2-6Start practice →03Build on Known Multiplication FactsMixed practice and exercises for Lessons 3-1 through 3-8Start practice →04Use Multiplication to DivideMixed practice and exercises for Lessons 4-1 through 4-9Start practice →05Quadrilaterals, Area, and PerimeterMixed practice and exercises for Lessons 5-1 through 5-11Start practice →06Place Value: Numbers to 10,000Mixed practice and exercises for Lessons 6-1 through 6-4Start practice →07Add Multi-Digit Whole NumbersMixed practice and exercises for Lessons 7-1 through 7-8Start practice →08Subtract Multi-Digit Whole NumbersMixed practice and exercises for Lessons 8-1 through 8-8Start practice →09Use Equations to Solve ProblemsMixed practice and exercises for Lessons 9-1 through 9-6Start practice →10Understand Fractions as NumbersMixed practice and exercises for Lessons 10-1 through 10-8Start practice →11Fraction Equivalence and ComparisonMixed practice and exercises for Lessons 11-1 through 11-6Start practice →12Collect, Represent, and Interpret DataMixed practice and exercises for Lessons 12-1 through 12-5Start practice →13Time, Customary and Metric MeasurementMixed practice and exercises for Lessons 13-1 through 13-9Start practice →