Self Practice 2024-12-06: Flashcardizz

Front

What is the ratio of the area of the shaded square to the area of the large square?

Back

The ratio is 1/8.

Front

If \( \frac{W}{X} - \frac{Y}{Z} = 1 \), what is the sum of W and Y when W, X, Y, and Z are different integers from the set {1, 2, 3, 4}?

Back

The sum of W and Y is 7.

Front

Danica has 23 model cars and wants to arrange them in rows of 6. How many additional cars does she need to buy?

Back

She needs to buy 5 additional cars.

Front

What is the probability of getting at least two consecutive heads when tossing a fair coin 3 times?

Back

The probability is 3/8.

Front

If a square piece of paper has an area of 9 square inches after folding, what is the perimeter of the original square?

Back

The perimeter of square PQRS is 24.

Front

Define 'ratio' in mathematics.

Back

A ratio is a comparison of two quantities by division.

Front

What is the formula for the area of a square?

Back

The area of a square is given by \( A = s^2 \), where s is the length of a side.

Front

Explain the concept of probability.

Back

Probability is a measure of the likelihood that an event will occur, expressed as a number between 0 and 1.

Front

What does it mean for a coin to be 'fair'?

Back

A fair coin has an equal chance of landing on heads or tails, each with a probability of 1/2.

Front

What is the definition of an integer?

Back

An integer is a whole number that can be positive, negative, or zero.