0 x 9=0 1 x 9=9 2 x 9=18 3 x 9=27 4 x 9=36 5 x 9=45 6 x 9=54 7 x 9=63 8 x 9=72 9 x 9=81 10 x 9=90 The trick is in the answer to every sum the ten gets bigger and the unit gets smaller. e.g: 8 x 9=72 9 x 9=81
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9 multipyed (times by) by 9 = 81 LEARN YOUR TABLES!!!!
There are many tricks to learning multiplication tables. One is the rhyme '8 times 8 fell on the floor and when it woke up it was 64'. Another is to know that all the nine multiplication tables add up to 9 up to 9 times 10.
55 and its multiples. 1, 5, and 55 are all in both the 5 times and 11 times tables.
The number 81 appears in several times tables. Specifically, it is found in the 9 times table (9 x 9 = 81) and the 3 times table (3 x 27 = 81). Additionally, it can be expressed in the 1 times table (1 x 81 = 81).
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