Math Review - Grade 6

Front

What is the definition of an ordered set of numbers?

Back

An ordered set of numbers arranges numbers from least to greatest or greatest to least.

Front

How do you find the ratio of boys to girls if there are 18 girls and the ratio is 7 to 2?

Back

To find the number of boys, set up the proportion: 7/2 = x/18. Solve for x to find there are 63 boys.

Front

What does 'the product of five and c, decreased by three' mean in mathematical terms?

Back

It means to multiply 5 by c and then subtract 3, represented as 5c - 3.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

Evaluate the expression: 40 - 2 x 5 + 18.

Back

The answer is 48.

Front

How do you calculate the percentage of successful shots made?

Back

To calculate the percentage, divide the number of successful shots by the total shots and multiply by 100. For Brett: (16/20) x 100 = 80%.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing the relative sizes of two or more values.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by performing the operations indicated.

Front

What is the difference between a product and a sum?

Back

A product is the result of multiplying numbers, while a sum is the result of adding numbers.

Front

What is the least common multiple (LCM)?

Back

The least common multiple of two or more numbers is the smallest number that is a multiple of each of the numbers.