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KSF 2019 - Problems PreEcolier (Class 7 & 8)

Giảng viên: Thầy Bá Phong

01:15:00

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Question 1 |

True: +3 False: -1

Which cloud contains four even numbers?

Question 2 |

True: +3 False: -1

How many hours are there in ten quarters of an hour?

5 and a half

2 and a half

Question 3 |

True: +3 False: -1

A 3 × 3 × 3 cube is built from 1 × 1 × 1 cubes. Then some cubes are removed from front to back, from left to right and from top to bottom, as shown. How many 1 × 1 × 1 cubes are left?

Question 4 |

True: +3 False: -1

Three rings are linked as shown in the diagram. Which of the following diagrams also shows the three rings linked in the same way?

Question 5 |

True: +3 False: -1

Which of the diagrams below cannot be drawn without lifting your pencil off the page and without drawing along the same line twice?

Question 6 |

True: +3 False: -1

Five friends met. Each of t em gave a cupcake to each of the others. They then ate all the cupcakes they had been given. As a result, the total number of cupcakes they had decreased by a half.

How many cupcakes did the five friends have at the start?