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Đề thi olympic tiếng anh lớp 5 năm học 2012 vòng 14 đề thi số 5
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ĐỀ THI OLYMPIC TIẾNG ANH LỚP 5 NĂM HỌC 2012
VÒNG 14 - ĐỀ THI SỐ 5
Chọn câu trả lời tốt nhất cho những câu hỏi dưới đây.
1. Michelle drew the shaded figure above. Her sister drew a shape that is
congruent to her Michelle’s. Which of the labeled shapes could be her sister’s?
A.
B.
C.
D.
A
B
C
all of them
Congruent figures have ...
2. Mrs. Sonnen told her students to complete the sentence above to make a true
statement about congruent figures. Which of the following could be a correct
answer?
A.
B.
C.
D.
the same size and shape
the same size, but a different shape
a different size, but the same shape
a different size and shape
3. Theo plotted some points on the graph above during math class. Which letter
represents the ordered pair (3,4)?
A.
B.
C.
D.
A
B
C
D
4. Which two points on the graph can be on the same straight line?
A.
B.
C.
D.
A
B
C
any two points
5. Marcia went to Egypt to see the Great Pyramids. She walked around the entire
structure and counted the number of faces. How many faces does a square
pyramid have?
A.
B.
C.
D.
3
4
5
6
6. Peter, Alec, Molly, and Margaret are brothers and sisters. Alec is the oldest
and Molly is the youngest. Peter is older than Margaret. Who is the second born
child?
A.
B.
C.
D.
Peter
Alec
Molly
Margaret
7. Leo, Cynthia, Craig, and Megan drew different figures in their math class: a
square, a circle, a triangle, and a rectangle. Craig's figure had four even sides.
Leo's figure had a radius equal to 6. Cynthia's figure had three sides. Who drew
the circle?
A.
B.
C.
D.
Leo
Cynthia
Craig
Megan
8. Zachary drew a triangle with a base of 2 cm and a height of 8 cm. He drew a
similar triangle next to it with a height of 18 cm. How long is the base of the
similar triangle?
A.
B.
C.
D.
4.5 cm
72 cm
0.9 cm
36 cm
9. Fredrick owns the two triangular plots of land shown above. The triangles are
similar. What is the value of x?
A.
B.
C.
D.
80 m
7.81 m
12.8 m
47 m
10. Patrick just bought the triangular placemat shown above. He is playing with
his shapes on the placemat while he is waiting for dinner to be served. Which of
the following shapes would best fill up the entire placemat?
A.
B.
C.
D.
