| Library | Home | In class | |
|---|---|---|---|
| Number | 30 | 68 | 37 |
| prime × | 2 | 3 | 5 | 7 |
|---|---|---|---|---|
| 1 | ||||
| 3 | ||||
| 5 |
| Statement | Always true | Sometimes true | Never true |
|---|---|---|---|
| x + y is positive | |||
| x − y is negative |


Draw on the grid below. Use Polygon to click vertices (snap to grid). Click the first vertex again to close. Use Select to drag vertices.
Draw the square with Polygon (4 corners, 6 cm sides). Then switch to Semicircle and click the two diameter endpoints.
| Statement | True | False | Cannot tell |
|---|---|---|---|
| The mode is increased by 10 | |||
| The median is increased by 10 | |||
| The range is increased by 10 |
| It is greater than the answer to (a) |
| It is the same as the answer to (a) |
| It is less than the answer to (a) |
| It is not possible to say |