| 99283 | Two numbers are in the ratio 3:5 | Medium | AQuA | |
| 112026 | Solve Proportions and their Applications · Example 1 | Easy | OpenStax | |
| 112027 | Solve Proportions and their Applications · Try It 1 | Easy | OpenStax | |
| 112028 | Solve Proportions and their Applications · Try It 2 | Easy | OpenStax | |
| 112155 | Solve Proportions and their Applications · Exercise 85 | Medium | OpenStax | |
| 112269 | Rational and Irrational Numbers · Example 1 | Easy | OpenStax | |
| 112272 | Rational and Irrational Numbers · Example 2 | Easy | OpenStax | |
| 112275 | Rational and Irrational Numbers · Example 3 | Easy | OpenStax | |
| 112278 | Rational and Irrational Numbers · Example 4 | Easy | OpenStax | |
| 112285 | Rational and Irrational Numbers · Exercise 5 | Easy | OpenStax | |
| 112287 | Rational and Irrational Numbers · Exercise 7 | Easy | OpenStax | |
| 112297 | Rational and Irrational Numbers · Exercise 17 | Medium | OpenStax | |
| 127966 | Rational Numbers · Example 1 | Easy | OpenStax | |
| 127967 | Rational Numbers · Example 2 | Easy | OpenStax | |
| 127968 | Rational Numbers · Example 3 | Easy | OpenStax | |
| 127969 | Rational Numbers · Example 4 | Easy | OpenStax | |
| 127970 | Rational Numbers · Example 5 | Easy | OpenStax | |
| 127971 | Rational Numbers · Example 6 | Easy | OpenStax | |
| 127972 | Rational Numbers · Example 7 | Easy | OpenStax | |
| 127973 | Rational Numbers · Example 8 | Easy | OpenStax | |
| 127974 | Rational Numbers · Example 9 | Easy | OpenStax | |
| 127975 | Rational Numbers · Example 10 | Easy | OpenStax | |
| 127976 | Rational Numbers · Example 11 | Easy | OpenStax | |
| 127977 | Rational Numbers · Example 12 | Easy | OpenStax | |
| 127978 | Rational Numbers · Example 13 | Easy | OpenStax | |
| 127980 | Rational Numbers · Example 15 | Easy | OpenStax | |
| 127981 | Rational Numbers · Example 16 | Easy | OpenStax | |
| 127982 | Rational Numbers · Example 17 | Easy | OpenStax | |
| 127983 | Rational Numbers · Example 18 | Easy | OpenStax | |
| 127984 | Rational Numbers · Example 19 | Easy | OpenStax | |
| 127985 | Rational Numbers · Example 20 | Easy | OpenStax | |
| 127986 | Rational Numbers · Example 21 | Easy | OpenStax | |
| 127987 | Rational Numbers · Example 22 | Easy | OpenStax | |
| 127988 | Rational Numbers · Example 23 | Easy | OpenStax | |
| 127989 | Rational Numbers · Example 24 | Easy | OpenStax | |
| 127990 | Rational Numbers · Example 25 | Easy | OpenStax | |
| 127991 | Rational Numbers · Example 26 | Easy | OpenStax | |
| 127992 | Rational Numbers · Example 27 | Easy | OpenStax | |
| 127993 | Rational Numbers · Example 28 | Easy | OpenStax | |
| 127994 | Rational Numbers · Example 29 | Easy | OpenStax | |
| 127995 | Rational Numbers · Example 30 | Easy | OpenStax | |
| 127996 | Rational Numbers · Example 31 | Easy | OpenStax | |
| 127997 | Rational Numbers · Example 32 | Easy | OpenStax | |
| 127998 | Rational Numbers · Example 33 | Easy | OpenStax | |
| 128121 | Ratios and Proportions · Example 1 | Easy | OpenStax | |
| 128122 | Ratios and Proportions · Example 2 | Easy | OpenStax | |
| 128123 | Ratios and Proportions · Example 3 | Easy | OpenStax | |
| 128124 | Ratios and Proportions · Example 4 | Easy | OpenStax | |
| 128125 | Ratios and Proportions · Example 5 | Easy | OpenStax | |
| 128126 | Ratios and Proportions · Example 6 | Easy | OpenStax | |