Review game: natural numbers and fractions.
- Solve each exercise and write the result in the "Result" column.
- Look up the result in the code key and write the letter you find in every box that has that exercise's number under it.
- If the message does not make sense, check again the exercise that gave the wrong letter!
The hidden message is in Romanian.
Exercises
| No. | Exercise | Result | No. | Exercise | Result |
|---|---|---|---|---|---|
| 1. | $2^{3} \cdot 5 - 12$ | 7. | $\frac{2}{3} + \frac{5}{6}$ | ||
| 2. | $\frac{3}{4}$ of $36$ | 8. | $3^{2} + 4^{2}$ | ||
| 3. | $100 - 4 \cdot (15 - 7)$ | 9. | The quotient of $100$ divided by $7$ | ||
| 4. | $2,5 \cdot 4 + 1,5$ | 10. | $7,2:0,8$ | ||
| 5. | The smallest three-digit number divisible by $9$ | 11. | $6^{15}:6^{13} - 2 \cdot 3$ | ||
| 6. | $25\%$ of $80$ | 12. | The arithmetic mean of the numbers $12$, $15$ and $21$ |
Code key
| $\frac{7}{9}$ | $0,9$ | $\frac{3}{2}$ | $2$ | $3,2$ | $9$ | $11,5$ | $13,75$ | $14$ | $16$ | $18$ |
| D | Z | V | H | P | C | E | O | Î | S | R |
| $20$ | $25$ | $27$ | $28$ | $30$ | $48$ | $49$ | $68$ | $102$ | $108$ | $768$ |
| Ț | T | I | B | L | U | G | N | F | A | M |
The message
| 1 | 2 | 3 | 4 | 5 | 6 | 2 | 7 | 4 | 3 | 2 | 8 |
| – | ||||||||||||||
| 9 | 3 | 10 | 11 | 5 | 12 | 5 | 5 | 7 | 2 | 5 |