Number properties for mental math Quiz: answer key
Every answer, with a link to its step-by-step solution
| # | Answer | Level | Solution |
|---|---|---|---|
| 1 | 700 | Easy | Solved step by step |
| 2 | 148 | Easy | Solved step by step |
| 3 | 282 | Easy | Solved step by step |
| 4 | 88 | Medium | Solved step by step |
| 5 | 588 | Medium | Solved step by step |
| 6 | 6(2 + 3) | Medium | Solved step by step |
| 7 | 12(2 + 3) | Harder | Solved step by step |
| 8 | 7(2 + 5) | Harder | Solved step by step |
| 9 | 140 | Harder | Solved step by step |
| 10 | 2093 | Harder | Solved step by step |
Grade
Count your right answers and divide by the number of questions: A 90% or more, B 80%, C 70%, D 60%, F below 60%.