1. Estimation: Reasonableness of Answer
2. Using Mental Computation for Multiplication
3. Ratio / Proportion / Percent: The Meaning of Percent
4. Problem-Solving: Drawing and Interpreting Tables
5. Measurement: Precision and Estimation
6. Statistics: Understanding Mean, Median and Mode
7. Fractions: Multiplication With Fractions and Mixed Numbers
8. Decimals: Ordering Decimals
9. Geometry and Measurement: Measuring Volume
10. Estimation: Estimation Strategies for Multiplication
11. Problem-Solving: Solving a Simpler Problem
12. Statistics: Sampling
13. Fractions: Subtracting Mixed Numbers
14. Estimation: Estimation Strategies for Division
15. Problem-Solving: Guess-Check-Revise
16. Geometry and Measurement: Measuring Angles
17. Problem-Solving: Using Logical Reasoning
18. Ratio / Proportion / Percent: Scale Drawings and Models