Mathematics Flashcards

A rectangular garden has a length of 12 feet and a width of 8 feet. What is the area of the garden?

Answer: 96 square feet

Area of a rectangle = length × width = 12 × 8 = 96 square feet.

Which of the following is equivalent to 3/4?

Answer: 0.75

3 ÷ 4 = 0.75, so 3/4 is equivalent to 0.75.

If a train travels 240 miles in 4 hours, what is its average speed?

Answer: 60 mph

Speed = distance ÷ time = 240 ÷ 4 = 60 mph.

What is the value of 5² + 3²?

Answer: 34

5² = 25 and 3² = 9, so 25 + 9 = 34.

A store sells apples for $0.45 each. How much do 12 apples cost?

Answer: $5.40

12 × $0.45 = $5.40.

What is the least common multiple (LCM) of 4 and 6?

Answer: 12

The smallest number divisible by both 4 and 6 is 12.

A line passes through points (0, 2) and (3, 8). What is the slope of the line?

Answer: 2

Slope = (8 − 2) ÷ (3 − 0) = 6 ÷ 3 = 2.