Complete MathSmart (Extensive Edition) Grade 6 – Level 1 1. Whole Numbers 2. Prime and Composite Numbers 3. Decimals 4. Adding Decimals 5. Subtracting Decimals 6. Multiplying Decimals 7. Dividing Decimals 8. Equivalent Fractions 9. Ordering Fractions 10. Percents 11. Ratios 12. Rates 13. Unit Conversion 14. Length and Perimeter 15. Area 16. Volume 17. Surface Area 18. Shapes 19. Solids 20. Patterning 21. Mean, Median, and Mode