IM Grade 7 Unit 5

Front

What is the opposite of a number?

Back

The opposite of a number is the number that is the same distance from zero on the number line but in the opposite direction. For example, the opposite of 5 is -5.

Front

What is the least number in a set of integers?

Back

The least number is the smallest value in a set of integers. For example, in the set {-2, -5, -1}, the least number is -5.

Front

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

Back

When you add a positive number to a negative number, you move towards zero. For example, -17 + 2 = -15.

Front

How do you subtract a negative number from a positive number?

Back

Subtracting a negative number is the same as adding its positive counterpart. For example, 35 - (-35) = 35 + 35 = 70.

Front

What is the opposite of a negative number?

Back

The opposite of a negative number is its positive counterpart. For example, the opposite of -17 is 17.

Front

What is the absolute value of a number?

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 -5 is 5.

Front

What does it mean for a number to be less than another number?

Back

A number is less than another number if it is to the left of that number on the number line. For example, -5 is less than -1.

Front

What is the sum of two negative numbers?

Back

The sum of two negative numbers is always negative. For example, -3 + (-4) = -7.

Front

What happens when you multiply two negative numbers?

Back

When you multiply two negative numbers, the result is positive. For example, -2 * -3 = 6.

Front

What is the difference between a positive and a negative number?

Back

A positive number is greater than zero, while a negative number is less than zero. For example, 3 is positive and -3 is negative.