Mathematical Olympiads IR

Let’s help George to complete the next pattern, he’s just missing the rectangular shape.

Choose the corresponding objects that matches the rectangular shape. 

• Fish tank

  Board

  Pink purse

• Button

  Ball

  Cushion 

• What is a ball?

• Wool

  Picture

  Tent 

Find the missing numbers, then choose the correct answer, but be careful numbers could be repeated. Choose wisely. 

• 2, 3, 5, 7.

• 1, 1, 1, 1, 1.

• 5, 7, 9, 10.

• 2, 5, 7, 9.

Susy needs some help with her assessment. Take a closer look at the missing numbers, be extra careful choosing your answer.   

• 15, 23, 24, 17, 10, 12. 

• 15, 24, 17, 10, 12, 16, 18.

• 15, 24, 17, 10, 12. 

• 1, 2, 3, 4, 5, 6, 7, 8, 9.

Help Andrew to finish his math assignment, look at these 3 shapes, choose the one that is NOT a 3D shape.

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• 
• 
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Pay attention to the next picture, choose the correct answer according to the pattern of colors.

• 2

• 1

• 3

• 5

Pay attention to the next picture, choose the correct answer according to the pattern of colors.

• 3

• 4

• 1

• 2

Antonella's mom gave her a pencilcase with 256 colored pencils inside. She has 125 more and she wants to join them all in one.

How many colored pencil she have altogether?

• 381

• 371

• 831

• 318