Is this statement always true, sometimes true, or never true?
"A triangle has 4 sides."
Answer:
3.
A scale model of a house is 1:24. Real door height is 192 cm. How tall is the model door in cm?
Answer:
4.
In a pie chart, Monday represents 19 out of 60 balls. What angle should the Monday sector be?
Answer:
5.
What is the area of this parallelogram in cm²?
Answer:
Section B — Practice
6.
A line passes through (-5, 0) and (-2, -4). Which of these lines is perpendicular to it? A) (-5, -6) and (-1, -3); B) (-1, -2) and (0, 0); C) (-5, -6) and (-3, -3); D) (6, 4) and (8, 5)
Answer:
7.
Calculate: 49 + 19 × 22 - 7
Answer:
8.
What value of x makes this true? x × 1/5 = 2/15
Answer:
9.
A coin has diameter 46 cm. Find its radius in cm.
Answer:
10.
A toy box is 8 cm × 5 cm × 5 cm. Find its total surface area in cm².
Answer:
Section C — Challenge
11.
A square has vertices (-1, -4), (2, -4), (2, -1), (-1, -1). Translate 6 left, 6 up. What are the new vertices?
Answer:
12.
A regular polygon has each exterior angle = 36°. How many sides does it have?
Answer:
13.
The mean journey time to school is 15.2 minutes. You need to arrive by 9:00am. What time should you leave to be safe?
Answer:
14.
V = l × w × h. V = 480, l = 12, w = 10. Find h.
Answer:
15.
A toy chest is 4 cm × 4 cm × 16 cm. Find its volume in cm³.