Red dragonfly mathematics challenge

What numbers fit? (1)

What numbers fit? (1)

What number should be in each square? (1)

What number should be in each square? (2)

What kind of calculation do you get? (1)

What kind of calculation do you get? (2)

Mysterious calculations (1)

Mysterious calculations (2)

Mysterious calculations (3)

The numbers 1 to 10

Let’s create the numbers 1 to 6!

Arranging my coins

Which cards?

What kind of calculation do you get? (3)

Turn of the dice

What kind of number is it?

The first time of the year

Consecutive parts of 365

Apple, banana and orange

The smallest number of measurements

Dividing camels

How many building blocks?

How many diagonals are there in a hexagon?

How many ‘Good mornings’?

How many degrees is the angle?

Find the total of the angles?

Angles of a star

What is the angle at the top?

Find the area

How much does the area increase?

How far did it move?

Completing the net of the regular tetrahedron

What kind of shape do we get? (1)

What kind of shape do we get? (2)

Tetrominoes!

Split them into four

The shortest ribbon

The total spots on the dice

What is the perimeter?

How many triangles are needed?

The secret of the 9 times table

Unusual fractions

How many stamps?

How large is the angle?

Mirror, mirror: Isosceles triangle