Questões de EFAI Matemática

Heitor went to the bakery with his parents to buy bread. They paid US$ 5.00. His father wanted to pay with five US$ 1 coins; his mother wanted to pay with two US$ 2.00 bills and a US$ 1.00 coin.

About the payment, it is stated that:

Arthur spends the weekends at his aunt and uncle’s house, and one of his favorite hobbies is watching TV. Their television set is represented in the image below.

Available at: https://www.shutterstock.com/pt/image-illustration/old-television-cartoon-style-on-pink-760891318. Accessed 8 Nov. 2022.

Which geometric shape is similar to the television set in the image above?

Observe the basketball ball below.

Available at: https://www.shutterstock.com/pt/image-photo/basketball-isolated-on-white-background-sports-124198177. Accessed 8 Nov. 2022.

This basketball ball has the geometric shape of:

STUDENTS HAD TO DRAW DIFFERENT KINDS OF INSECTS FOR A SCHOOL PROJECT. OBSERVE THE PICTURE THAT A GROUP OF STUDENTS DREW:

Available at: https://www.shutterstock.com/pt/image-vector/cartoon-insects-fly-bug-cute-butterfly-1721553880. Accessed 8 Nov. 2022

HOW MANY INSECTS IN TOTAL DID THE GROUP DRAW?

THERE ARE MANY DIFFERENT ANIMALS IN THE NATURE AND EACH ONE HAS ITS OWN CHARACTERISTICS. OBSERVE THE FOLLOWING ANIMALS IN THE IMAGE BELOW: HORSE, DUCK, ELEPHANT AND ROOSTER.

Available at: https://www.shutterstock.com/pt/image-vector/cute-animals-collection-farm-wild-marina-783342166. Accessed 8 Nov. 2022.

HOW MANY LEGS DO THE ANIMALS ABOVE HAVE ALL TOGETHER?

ESTELA, FERNANDO, GABRIELA AND HELENA ARE PLAYING HIDE AND SEEK. TO DECIDE WHO THE SEEKER AND THE HIDERS WILL BE, THEY GOT 4 PIECES OF SMALL STICKS AND DIVIDED AMONG THE PLAYERS, AS SHOWN IN THE IMAGE:

Available at: https://www.shutterstock.com/pt/image-vector/skewers-wooden-bamboo-pointed-tip-stick-1325761763. Accessed 9 Nov. 2022.

THE ONE WHO GOT THE SMALLEST PIECE OF STICK WILL BE THE SEEKER.

WHO WILL THE SEEKER BE IN THE FIRST ROUND?