Grades 3 and 4 Math Enrichment and Review
Area and Perimeter
Perimeter Practice 
Funbrain Perimeter  Perimeter Explorer  Perimeter of a Rectangle  
Area Explorer  Area of a Rectangle  
Shape Explorer 
Use a ruler to calculate area and perimeter (Click skip introduction.) 
Area and Perimeter Word Problems and Open Ended Qu's 

Fractions
Name the Fraction  Visualizing Fractions  Equivalent Fractions  
More or Less than Half  Lowest Terms  
Patterns and Sequence
Missing Number in a Sequence 1  Missing Number 2  Missing Number in a Sequence 3  Number Cracker  
Color Patterns  
Polygons
Names of Polygons 
Mixed Review
Converting Roman Numerals to Arabic  Matching Clocks  Elapsed Time 
Angles and Protractors Instruction and Practice 
The Ruler Game  Metric Units for Measuring  Metric Units for Measuring Practice  Customary Units for Measuring  Customary Units Practice 
Metric Units Mass 
Test Practice
Chapter 1  Number Sense
Chapter 2  Number Sense/problem solving
Chapter 3Number Sense/problem solving
Chapter 4Multiplication
Chapter 5Money/word problems
Chapter 6Measurement problems
Chapter 7Fractions
Chapter 8 Decimals
Chapter 9Graphs
Chapter 10Geometry
Chapter 11Division
Chapter 12Graphing