Hitparade
Images
- Calculators
- Smartphones
- Watches
- Snowflakes
- Squares
- Five-pointed star
- Ten fingers
- Works of art
- Paper sizes
Calculation tasks
- Times tables
- Number one
- Minus times minus is plus
- Arabic numerals
- Scratching-out
- Zero as exponent
- Square root of two
- Infinity is not a number
- Equation x2 = 2x
- Squaring
Particularities