What are other tricks like spell icup?

1. Four Sevens

This trick involves making four sevens appear out of nowhere.

```

Step 1:

7 7

_|_|

| |

|___|

Step 2:

7 7

|\|

|||

|\|

Step 3:

7 7

_|7|_

|7___|

|7 |

Step 4 (Completed):

7 7

_7 7_

|7___7|

|_____|

```

2. Multiplication

This trick involves multiplying any two-digit number by 11.

```

Step 1: Write the two-digit number twice.

Step 2: Place a zero between the two numbers.

Step 3: Add the digits in the upper row, carrying the tens digit to the lower row.

Step 4: Add the numbers in the lower row.

Step 5: The result is the product of the original number and 11.

```

For example, to multiply 23 by 11:

Step 1: Write 23 twice.

23 23

Step 2: Place a zero between the two numbers.

230 23

Step 3: Add the digits in the upper row, carrying the tens digit to the lower row.

23(0 5 23

+

Step 4: Add the numbers in the lower row. 23(1(0 5

+ 28

_____

253

```

The product of 23 and 11 is 253.

3. Magic Square

This trick involves creating a 3x3 magic square, where the sum of each row, column, and diagonal is the same.

Step 1: Write the following numbers in the top row of a 3x3 grid: 2, 7, 6.

Step 2: Write the numbers 9, 5, 1 in the second row.

Step 3: Write the numbers 4, 3, 8 in the third row.

Step 4: Check that the sum of each row, column, and diagonal is 15.

```

2 7 6

9 5 1

4 3 8

The sum of each row: 2+7+6 = 9+5+1 = 4+3+8 = 15

The sum of each column: 2+9+4 = 7+5+3 = 6+1+8 = 15

The sum of each diagonal: 2+5+8 = 6+5+4 = 15

Therefore, the grid is a magic square.

```