MrNussbaum.com offers four types of math drills. See below for details

• Worksheet - Students find the answer to a given problem from a list of possible answers using a drop-down menu.
• Drag&Drop - Students drag the answer next to the correct problem.
• Timed Worksheets - These are similar to scrollable worksheets bu have a two or three minute time limit.
• Flash Cards - These serve as informal practice for students in the form of digital flash cards.

Subtraction Drills

Subtraction Games

The following math games focus on or incorporate subtraction into the game play. See the descriptions below Defeat the Math Monster             Skills: Addition, Subtraction, Multiplication, Division Object: Destroy the Math Monster and uncover the lost Mayan Treasure by answering math facts. Visit Defeat the Math Monster Now! Speed Math              Skills: Addition, Subtraction, Multiplication, Division Object: Answer as many math facts as possible in three minutes. Visit Speed Math Now! Custom Speed Math Skills: Addition, Subtraction, Multiplication, Division Object: The same as Speed Math, but students can select the table(s) to be included in the game. Visit Custom Speed Math Now! Trimathlon Skills: Completing number sentences, addition, subtraction Object: Win a gold medal in running, biking, and swimming by completing number sentences! Visit Trimathlon Now! Maximum Capacity Skills: Addition, estimation, number sense Object: Escort as many gorillas as possible to the Gorilla's Ball in three minutes. Watch the elevtator weight capacity. Visit Maximum Capacity Now! Genius Boxing Skills: <, >, =, number comparisons Object: Punch your genius opponent by completing the number sentence using <, >, or =. Visit Genius Boxing Now! Bowling Pin Math Skills: Comparing numbers, number sense Object: Knock down as many pins as possible by clicking on those that are greater than the computer's number! Visit Bowling Pin Math Now! Tackle Math Ball Skills: Addition, Subtraction, Multiplication, Division Object: Score as many points as you can against the computer or human opponent by answering math facts. Visit Tackle Math Ball Now! Math Fries Skills: Addition, Subtraction Object: Eat all of the french fries on the board that equal the specified number at the top of the screen Visit Math Fries Now! Buffalo Math Skills: Addition, Subtraction Object: Shoot the bison wearing the math problem that equals the specified number at the top of the screen. Visit Buffalo Math Now! World Cup Math Skills: Addition, Subtraction, Multiplication, Division Object: Win the world cup by scoring as many goals as possible against world teams by answering math facts. Visit World Cup Math Now!

Draggable Subtraction

Draggable Subtraction is an amazing resource for students to learn how to perform advanced subtraction problems. Problem types are completely customizable and allow for the user to determine the number of digits in each subtrahend and the number of total problems. Students simply drag the digits of the answer in their correct spaces. The program locks the numbers into place, which is helpful for students who have trouble keeping numbers organized. Small numbers can be dragged as "borrowed" numbers, and a diagonal slash can be used to cross out numbers. Click the picture to try draggable subtraction, or, click here for more detailed instructions.