Subtraction Challenge

Subtraction 20

20 problems in a row. Go for it!

Progress

1234567891011121314151617181920

Time00:00.00

Mistakes0

Enter your answer

Problem 112 - 4 =

Problem 215 - 7 =

Problem 318 - 9 =

Problem 414 - 6 =

Problem 520 - 8 =

Problem 613 - 5 =

Problem 717 - 8 =

Problem 816 - 7 =

Problem 911 - 3 =

Problem 1019 - 6 =

Problem 1110 - 9 =

Problem 1212 - 7 =

Problem 1318 - 6 =

Problem 1415 - 9 =

Problem 1514 - 8 =

Problem 1620 - 5 =

Problem 1713 - 9 =

Problem 1817 - 4 =

Problem 1916 - 9 =

Problem 2011 - 8 =

Solve a series of subtraction problems. Each mistake adds 3 seconds to your time.

Choose how many problems you want to challenge, then click Start. The game begins after the countdown!Choose how many problems you want to challenge, then tap Start. The game begins after the countdown!

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Subtraction 20

Top 10 Results

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