7th Grade Math End of the Year Review!

Front

What is the probability of picking a red or blue marble from a jar containing 2 pink, 6 red, and 4 blue marbles?

Back

The probability is 5/6.

Front

What is the result of -9 + 9?

Back

The result is 0.

Front

What is the result of -27 / -27?

Back

The result is 1.

Front

What is the result of 7 + (-14)?

Back

The result is -7.

Front

Solve for x: 3x - 2 = 18

Back

x = 6.7.

Front

Define probability in the context of selecting items from a group.

Back

Probability is the measure of the likelihood that an event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What is the formula for calculating the probability of an event?

Back

Probability = (Number of favorable outcomes) / (Total number of possible outcomes).

Front

What is the sum of a number and its additive inverse?

Back

The sum is always 0.

Front

What is the result of multiplying two negative numbers?

Back

The result is a positive number.

Front

What is the result of adding a positive number to a negative number?

Back

The result depends on the absolute values; it can be positive, negative, or zero.