| Title | Age |
|---|---|
| Identity Property | 5 years, 49 weeks and 5 days |
| Associative Property | 5 years, 49 weeks and 5 days |
| Commutative Property | 5 years, 49 weeks and 5 days |
| Equivalent Expressions | 5 years, 49 weeks and 5 days |
| Order of Operations | 5 years, 49 weeks and 5 days |
| Exponent | 5 years, 49 weeks and 5 days |
| Expression | 5 years, 49 weeks and 5 days |
| Variable | 5 years, 49 weeks and 5 days |
| Opposites | 5 years, 49 weeks and 5 days |
| Absolute Value | 5 years, 49 weeks and 5 days |