MOM & ME competition Grade 8H

The perimeter of the figure pictured on the right is...

• 3a+4b

• 3a + 8b

• 6a + 4b

• 6a + 8b

Martina draws the six corner points of a regular hexagon and then connects some of them to obtain a geometric figure. Which of the following figures cannot be generated?

• square

• kite

• right angled triangle

• trapezium

The diagram shows a grid made of vertical and horizontal lines. Which part was cut from the grid?

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. Kristina has a piece of see-through foil on which some points and lines are drawn. She folds the foil along the dotted line. What can she see now?

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The diagram shows the starting position, the direction and the distance covered within 5 seconds by four bumper cars. Which two cars will first crash into each other?

• A and B

• A and C

• B and C

• C and D

Evita wants to write the numbers from 1 to 8 with one number in each field. The sum of the numbers in each row should be equal. The sum of the numbers in the four columns should also be the same. She has already written in the numbers 3, 4 and 8 (see diagram). Which number does she have to write in the dark field?

• 1

• 2

• 5

• 7

. Which of the following symbols for signs of the Zodiac has an axis of symmetry?

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• 42

• 64

• 84

• 105

Each of the five vases shown has the same height and each has a volume of 1 litre. Half a litre of water is poured into each vase. In which vase would the level of the water be the highest?

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Which of the following calculations gives the biggest result?

• 201 × 1

• 20 × 1 × 1

• 1 × 2011

• 1 + 2011