Even or odd
key notes :
| 🔴 An even number of shapes can be matched in pairs. 🔴 An odd number of shapes cannot be matched in pairs. |
Learn with an example
🔴 Is the number of rectangles even or odd?
The rectangles can not be matched in pairs. The number of rectangles is odd.
You can check your answer by counting the rectangles. There are 9 rectangles. 9 is a odd number.
🔴 Is the number of diamonds even or odd?
The diamonds can be matched in pairs. The number of diamonds is even.
You can check your answer by counting the diamonds. There are 10 diamonds. 10 is an even number.
Is the number of squares even or odd?
- even
- odd
The squares can be matched in pairs. The number of squares is even.
You can check your answer by counting the squares. There are 8 squares. 8 is an even number.
Let’s practice!
