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Subtraction Table for 21

In mathematics, a subtraction table lays out the difference of two numbers for quick lookup. This page shows the subtraction table for the number twenty-one (21) — download it as a PDF, print it directly, or grab the blank worksheet version below to practice without the answers filled in.

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Subtraction Table for 21
1 21 = -20
2 21 = -19
3 21 = -18
4 21 = -17
5 21 = -16
6 21 = -15
7 21 = -14
8 21 = -13
9 21 = -12
10 21 = -11
11 21 = -10
12 21 = -9
13 21 = -8
14 21 = -7
15 21 = -6
16 21 = -5
17 21 = -4
18 21 = -3
19 21 = -2
20 21 = -1
21 21 = 0
22 21 = 1
23 21 = 2
24 21 = 3
25 21 = 4
26 21 = 5
27 21 = 6
28 21 = 7
29 21 = 8
30 21 = 9
31 21 = 10
32 21 = 11
33 21 = 12
34 21 = 13
35 21 = 14
36 21 = 15
37 21 = 16
38 21 = 17
39 21 = 18
40 21 = 19
41 21 = 20
42 21 = 21
43 21 = 22
44 21 = 23
45 21 = 24
46 21 = 25
47 21 = 26
48 21 = 27
49 21 = 28
50 21 = 29

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