Khan Academy
Khan Academy: Subtract Within 20
Practice subtracting. All numbers in these problems are 20 or less. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction
A quiz for practicing subtraction with one-digit numbers where the numbers are written horizontally.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction
A quiz for practicing subtraction with one-digit numbers.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction Word Problems
A quiz where the player reads a subtraction problem using one-digit numbers, that is written with words instead of numbers, and then picks the correct answer.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction With Number Lines
A quiz for practicing subtraction of a one-digit number from a two-digit number using a number line for reference.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction
A quiz for practicing subtraction of one-digit numbers where some of the answers may be negative numbers.
NumberNut
Number Nut: Subtraction: Single Digit Subtraction With Number Lines
A quiz for practicing subtraction of one-digit numbers using a number line.
NumberNut
Number Nut: Subtracting Through Twenty
Review or learn the basics of single-digit subtraction in this concise lesson that has related vocabulary and strategies for solving subtraction problems. This lesson includes lots of examples and links for two interactive subtraction...
Varsity Tutors
Varsity Tutors: Aplusmath: Decimal Subtraction Worksheets
Create customized decimal subtraction worksheets. Choose from basic facts to four-digit by four-digit questions. The size of problem set can be selected, as well as whether the format will be vertical or horizontal. An answer key can...
Math Playground
Math Playground: Minus Mission
Practice your subtraction facts while saving the planet in this online game.