### No. 1

1.

Which trophy goes with which animal?

2.

The Roman numeral on the animal matches the number to look for.

3.

The sequence of the trophies is the sequence of the numbers.

4.

The first trophy is the tusk (tooth) of the wild boar (III). The bear’s claws are the second trophy (V). The third trophy is the hare’s paw (IV). The fourth trophy is the tail of the fish (VIII).

Solution

3548

### No. 2

1.

Adding the numbers together gives the answer for the tens and ones place values.

2.

How do you need to calculate the numbers for a hundreds place value?

3.

Subtracting the two numbers gives the answer for the hundreds place value.

4.

Eight plus seven is fifteen (8+7=15). Eight minus seven is one (8-7=1).

Solution

115

### No. 6

1.

The numbers on each board belong together.

2.

What do the numbers have in common?

3.

The numbers all have a common divisor.

4.

The three symbols on the beam over the fish indicate the relevant final answers.

5.

Double triangle symbol: common divisor of the series is seven. Triangle and plus symbol: common divisor of the series is eight. Snail symbol: common divisor of the series is three.

Solution

783

### No. 7

1.

More symbols can be found on the safe.

2.

Join the symbols on the piece of paper with the symbols on the safe.

3.

Together they equal three numbers.

4.

The first symbol on the piece of paper and the first symbol on the safe create the number four. The second symbol on the piece of paper and second symbol on the safe create the number nine. The third symbol on the piece of paper and third symbol on the safe create the number eight.

Solution

498