Adding and Subtracting Real Numbers
Example:
On a cold winter day in Denver, the morning temperature was 7° Fahrenheit. By noon, it had fallen 9° and by 5pm that afternoon, it fell another 6°. What was the temperature at 5pm?
Example:
Find 15 + 12 - (-8) + (-15.5) + 3.2
Example:
Evaluate 3 1/2 - x when x = 5 and x = -5.
Example:
At the beginning of the week, Stewart's checking account had a balance of -$15.08. On Monday morning, he deposited a check for $426.90. On Tuesday morning, he deposited another check for $100.00. How much was in Stewart's checking account after the second deposit?
Check out our most popular games!
Fraction Concoction Game:
Master fractions in the lab: mix, add, and subtract beakers to create the perfect concoction!
Fact Family Game:
Complete fact families and master the link between addition & subtraction and multiplication & division.
Number Bond Garden:
Clear the board by matching number pairs that sum to ten in this garden-themed mental math puzzle.
Online Addition Subtraction Game:
Practice your addition and subtraction skills to help the penguin find its mummy.
Penguin Solitaire
Penguin Solitaire is a fun game that aims to move all cards to the foundations to build four full sequences. There are two versions here: Penguin (Tuxedo) and Penguin (Original).
We welcome your feedback, comments and questions about this site or page. Please submit your feedback or enquiries via our Feedback page.