### Nr. 1

1.

Pizza box: Pizza Margherita has cheese, tomatoes and basil

2.

Open-face cheese sandwich

3.

The two holes in to middle create a “division sign”

4.

The first number is six; the second number is three
6 : 3 = 2.
Solution: 2

5.

Tomatoes: Look at the spots

6.

Calculate the spots with each other

7.

First add, then subtract, then multiply, then …

8.

Three spots plus three spots equals six spots; three minus three equals zero; three times three equals nine; three divided by three equals one.
Solution: 1

9.

Basil: The Latin word for basil is Ocimum

10.

Numerical values for letters

11.

Coloured dots specify how to calculate

Solution

A red dot means add; a pink dot means subtract. O(15) + C(3) + I(9) – M(13) – U(21) + M(13) = 6. Solution: 6
Final answer: 216

### Nr. 2

1.

Stakes: Calculate the numbers with each other

2.

The colour determines the maths symbol

3.

Which solution is missing?

4.

Pink stake (33) 3-3=0; blue stake (33) 3:3=1; pink stake (75) 7-5=2; blue stake (62) 6:2=3; pink stake (62) 6-2=4; red stake (33) 3+3=6; yellow stake (71) 7x1=7; red stake (62) 6+2=8; yellow stake (33) 3x3=9. Solution five is missing. Solution: 5

5.

Watering can: The holes are important

6.

Opposing holes provide a solution

7.

Multiply and subtract

8.

Each number times and then minus the middle number (2) provides the solution. 1x2–2=0; 3x2-2=4; 2x2-2=2. Solution: 2

9.

Orchids: The same letters stand for the same numbers

10.

Logical sequence

11.

E=5

Solution

Seven times table backwards. A=7; B=0; C=6; D=3; … solution: 7
Final answer: 527

### Nr. 3

1.

Stool: The same letters stand for the same numbers

2.

The number on the edge provides the solution for the column/row

3.

Note X-X

4.

A=8; B=8; C=5; D=7; A+D+B+A=31 and B+B+C+C=26, which means the solution is 31-26=5. Solution: 5

5.

Books: Numerical value for letter

6.

Which letter is the right one?

7.

Cross out duplicates

8.

Note X-X

9.

Every letter except U is used multiple times. Numerical value for the letter U=21. The rule X-X applies, which means 2-1=1. Solution = 1

10.

Cacti: Number of “barrels” and “paddles”

11.

Multiply and divide first, then add and subtract!

12.

Maths symbols on pot

Solution

5 x 8 – 5 x 7 + 4 x 1 = 9. Solution = 9
Final answer: 519

### Nr. 4

1.

Spider: Note the thicker strands

2.

They create a number

3.

Push them together

4.

When pushed together, the thicker strands in the web form a four. Solution: 4.

5.

Pot: Particular sequence

6.

The sequence is 3 2 4 3 2 4 …

7.

The solution is not 2

8.

The number to the left of three is missing. Two is always to the right of three. Solution: 4

9.

Beans: Some beans are different

10.

Figure out the numbers

11.

Figure out the maths symbols

Solution

Greenish yellow beans produce the calculation: 3 + 2 x 2. Solution: 7
Final answer: 447

### Nr. 5

1.

Vampire picture: Shovels on the wall

2.

Is one missing?

3.

Roman numerals

4.

Preceding numbers are subtracted; succeeding numbers are added

5.

Three shovels with the Roman numerals 3, 5, 4. Means -3+5+4= 6. Solution=6

6.

Garlic: How many cloves?

7.

How many bulbs?

8.

Note X-X

9.

Eight cloves are on the ground. Total of nine bulbs. 9 x 8=72. X-X: 7-2=5. Solution: 5

10.

Egg (hen): Oddly broken

11.

The egg provides a number

Solution

Broken egg provides the number eight. Solution: 8
Final answer: 658

### Nr. 6

1.

Glove

2.

Note the pattern

3.

Angles

4.

O doesn’t have any

5.

Triangle (3) plus square (4) plus circle (0) = 7. Solution: 7

6.

The mice are looking in specific directions

7.

Time

8.

Coloured dots stand for maths symbols

9.

Left mouse (pink dot) is looking at 1:00 o’clock, middle mouse (orange dot) is looking at 11:00 o’clock, right mouse (pink dot) is looking at 3:00 o’clock. -1+11-3=7. Solution: 7

10.

Bag of soil: The same flower stands for the same number

11.

The final answer is incomplete

12.

Red flower=3

Solution

Pink flower = 4; white flower = 5; red flower = 3; blue flower =7. Solution: 7
Final answer: 777