7th Grade Number Sense

Front

What is the distance from -5 to 3 on a number line?

Back

The distance is 8 units.

Front

What is the equivalent expression for 14 - 9?

Back

14 + (-9)

Front

How do you find the difference in elevation between Mt. Everest and the Dead Sea?

Back

Subtract the elevation of the Dead Sea from the height of Mt. Everest: 8844.4 - (-424.3) = 9268.7 meters.

Front

What is the value of -3/4 - (-3/8)?

Back

-3/8

Front

If A + D > C, what can we infer about the values of A, D, and C?

Back

The sum of A and D is greater than C.

Front

What is the definition of absolute value?

Back

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

Front

How do you add two negative fractions?

Back

Add their absolute values and keep the negative sign.

Front

What is the result of subtracting a negative number from a positive number?

Back

It is equivalent to adding the positive value of that number.

Front

What is the formula to find the distance between two points on a number line?

Back

Distance = |x2 - x1|, where x1 and x2 are the two points.

Front

What does it mean for two numbers to be opposites?

Back

Two numbers are opposites if they are the same distance from zero but in opposite directions.