Questões de EFAI Matemática

The teacher dictated some numbers in a math activity and asked the students to write the correct amount on the notebooks. The first number dictated was: three thousand six hundred and nine.

The correct representation of the first number dictated by the teacher is

A parking lot has $24$ rows and several spaces for all types of cars. Seven cars can fit in a row. Look at the two rows below:

Available at: https://www.shutterstock.com/pt/image-vector/panoramic-view-urban-underground-car-park-1931330360. Accessed 6 Dec. 2022.

The number of spaces in this parking lot is

Every month Júnior receives $120$ dollars from his parents. Of this amount, he spends exactly $83$ dollars during the month and saves the rest.

How much does Júnior save every month?

Pedro received $7$ packages of candy from his colleagues on Friend’s Day. Each package had exactly $11$ candies.

How many candies did Pedro get in total?

Metropolises are characterized by tall buildings. In a residential building, one floor consists of four apartments. Consider a building with $27$ floors.

How many apartments are there in this building?

No começo da temporada do campeonato de futebol, a comissão técnica comprou $242$ chuteiras novas. Na metade do campeonato já tinham sido utilizadas $168$ chuteiras novas.

Quantas chuteiras novas ainda não foram utilizadas?