32
lines
hard
Refer to the given picture and answer the following questions.
(a) There are ________ triangles in the given picture.
(b) There are ________ horizontal lines and ________ slanting lines in the given picture.
Answer: A
(a) Triangles: the pencil tip and the small lead at its top (2), and the outer and inner triangles of the set square (2). Total 4.
(b) Horizontal lines: ruler top, bottom and 3 marks (5); pencil: the line across the tip, the base of the tip and the 2 lines at the bottom (4); card: top and bottom (2) and 2 for each small rectangle (4). Total 5 + 4 + 6 = 15.
Slanting lines: the 2 sides of the pencil tip and the 3 sides of each triangle of the set square: 2 + 6 = 8.
35
measurement
hard
Observe the given picture carefully and fill in the blanks.
(p) ________ is the longest.
(q) The length of the toy train is ________ paper clips more than the length of the toy car.
(r) The total length of the toy truck and the toy car is ________ paper clips.
Answer: B
Measured with paper clips: toy car = 4, toy train = 10, toy truck = 6.
(p) The toy train is the longest. (q) 10 − 4 = 6. (r) 6 + 4 = 10.