Math Flashcards
7 cards from real BECE practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Math flashcards as text
What is the value of 3² + 4²?
Answer: 25
3² = 9 and 4² = 16, so 9 + 16 = 25.
A rectangle has a length of 12 cm and a width of 5 cm. What is its area?
Answer: 60 cm²
Area of a rectangle = length × width = 12 × 5 = 60 cm².
Simplify: 4x + 3y − 2x + y
Answer: 2x + 4y
Combine like terms: (4x − 2x) + (3y + y) = 2x + 4y.
What is 15% of 200?
Answer: 30
15% of 200 = (15/100) × 200 = 30.
The mean of five numbers is 8. If four of the numbers are 6, 9, 7, and 10, what is the fifth number?
Answer: 8
Sum = 5 × 8 = 40; 40 − (6 + 9 + 7 + 10) = 40 − 32 = 8.
Which of the following is a prime number?
Answer: 41
41 has no divisors other than 1 and itself, so it is prime.
Solve for x: 2x − 6 = 10
Answer: x = 8
Add 6 to both sides: 2x = 16, then divide by 2: x = 8.