Number Sense Flashcard Prep

Front

What is the final temperature if the temperature on a winter night was -20 degrees, rose by 5 degrees, and then rose another 10 degrees?

Back

-5 degrees

Front

If Emily descended to a depth of 40 feet below sea level, swam up 10 feet, and then descended another 4 feet, how far below sea level is she now?

Back

-34 feet

Front

How do you find the side length of a square if you know the area?

Back

Take the square root of the area.

Front

What is the absolute value of |55|?

Back

55

Front

What fraction and decimal represents where point 'd' is on the number line if it is 8/10?

Back

8/10 or .8

Front

What is the definition of absolute value?

Back

The distance of a number from zero on the number line, regardless of direction.

Front

What is the formula for finding the area of a square?

Back

Area = side length × side length.

Front

If the temperature is -10 degrees and it rises by 15 degrees, what is the new temperature?

Back

5 degrees

Front

What is the difference between positive and negative numbers?

Back

Positive numbers are greater than zero, while negative numbers are less than zero.

Front

How do you convert a fraction to a decimal?

Back

Divide the numerator by the denominator.