Measurement and Area Flashcards
7 cards from real BKSB practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Measurement and Area flashcards as text
A farmer has a field shaped like a right triangle with legs of 30 m and 40 m. What is the area?
Answer: 600 m²
Area = ½ × base × height = ½ × 30 × 40 = 600 m².
How many fluid ounces are in 4 cups?
Answer: 32 fl oz
1 cup = 8 fl oz, so 4 cups × 8 = 32 fl oz.
A rectangular piece of land is 0.5 km long and 0.3 km wide. What is its area in square meters?
Answer: 150,000 m²
0.5 km = 500 m and 0.3 km = 300 m; area = 500 × 300 = 150,000 m².
A thermometer reads 86°F. What is the equivalent temperature in Celsius? (C = (F − 32) × 5/9)
Answer: 30°C
(86 − 32) × 5/9 = 54 × 5/9 = 30°C.
A square has a perimeter of 52 cm. What is its area?
Answer: 169 cm²
Side = 52 ÷ 4 = 13 cm; area = 13² = 169 cm².
A box has dimensions 50 cm × 30 cm × 20 cm. What is its volume in liters? (1 L = 1,000 cm³)
Answer: 30 L
Volume = 50 × 30 × 20 = 30,000 cm³; 30,000 ÷ 1,000 = 30 L.
A map has a scale of 1:50,000. A road measures 4 cm on the map. How long is the actual road in kilometers?
Answer: 2 km
4 cm × 50,000 = 200,000 cm = 2,000 m = 2 km.