Đề thi Olympic Tiếng Anh lớp 7 vòng 2 năm 2013 - 2014

In a board game, cards with a circle are worth 5 points, and cards with a diamond are worth 10 points. Which equation represents the total points of a set of cards if c = the number of circle cards, and d = the number of diamond cards?

9x ≥ 27

Which of the following graphs represents the solution of the inequality above?

One angle of a triangular pennant measures 68 degrees. If the measures of the other two angles equal each other, what is the measure of one of the other angles?

Mrs. Johnson placed a birdbath in the middle of her flower garden, as shown above. The base of the birdbath is circular. How much area is left in the garden for the flowers? Use 3.14 as an approximation for π.

A student examines the sketch of a house shown above. Which of the following is the best estimate of angle A?

A family ordered 2 pizzas for dinner: 1 with mushrooms and 1 with cheese. Each pizza was cut into 8 slices. When they were finished, they had eaten 5 slices of the mushroom pizza and 7 slices of the cheese pizza. They took home the remaining slices. What fraction of the total number of slices did they take home?

Jane is in a boat 25 feet from the shoreline, and a school of fish is swimming about 5 feet from the shore. What fractional part of the total distance best describes the distance between the boat and the school of fish?

A plumber charges $20.00 per hour plus a $35.00 service call fee. If x represents the number of hours worked, and y represents the total charged, which equation shows the amount of money that will be charged on each service call?

Ginger is making homemade cards to send to friends and family. This scatterplot above shows the total number of cards she had made after each hour she worked on the task. Which is the best prediction of the number of cards Ginger can make after 15 hours?