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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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