| Title | Age |
|---|---|
| Identity Property | 6 years, 6 days and 1 hour |
| Associative Property | 6 years, 6 days and 1 hour |
| Commutative Property | 6 years, 6 days and 1 hour |
| Equivalent Expressions | 6 years, 6 days and 1 hour |
| Order of Operations | 6 years, 6 days and 1 hour |
| Exponent | 6 years, 6 days and 1 hour |
| Expression | 6 years, 6 days and 1 hour |
| Variable | 6 years, 6 days and 1 hour |
| Opposites | 6 years, 6 days and 1 hour |
| Absolute Value | 6 years, 6 days and 1 hour |