6th Grade Math Review 1st Semester

Front

What is absolute value?

Back

The absolute value of a number is its distance from zero on the number line, regardless of direction. For example, the absolute value of -4.5 is 4.5.

Front

How do you represent a number with an absolute value of 4.5 on a number line?

Back

You would graph points at 4.5 and -4.5 on the number line.

Front

What is a ratio?

Back

A ratio is a comparison of two quantities, showing how many times one value contains or is contained within the other.

Front

What is the ratio of girls to boys in a class with 5 boys and 15 girls?

Back

The ratio of girls to boys is 15:5, which can be simplified to 3:1.

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero but in the opposite direction. For example, the opposite of -8 is 8.

Front

What is the product of two negative numbers?

Back

The product of two negative numbers is always positive. For example, -12 multiplied by -3 equals 36.

Front

What is the product of a positive number and a negative number?

Back

The product of a positive number and a negative number is always negative. For example, 5 multiplied by -8 equals -40.

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Back

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Front

What does it mean to simplify an expression?

Back

To simplify an expression means to reduce it to its simplest form, making it easier to understand or calculate.