Subtract one from this number to find the tens digit of your answer.Look at the number you are mutliplying by 9.There is a trick to learn the 9 times table up to 10 × 9: We can then see that all numbers in the 9 times table from 1 × 9 = 9 up to 10 × 9 = 90 all have digits that add up to make 9. Just remember the exception of 11 × 9 = 99, where there are still 9 tens. When teaching the 9 times table, we can easily write it out by starting with 0 tens and increasing them by 1 each time and also starting with 9 units and decreasing them by 1 each time. These units digits decrease by 1 each time until we get to 10 × 9 = 90, which has 0 units.Īfter this, we start at 9 again in the units column with 11 × 9 = 99, which decreases by 1 again in 12 × 9 = 108. The only exception is 11 × 9 = 99, where we repeat the 9 tens digit again.ġ × 9 = 9 starts with 9 in the units column and then we decrease this 9 by 1 to see that 2 × 9 ends in an 8. We can see in the 9 times table chart above that we start with 0 tens and increase the digit by 1 as we go down each row. The 11 × 9 = 99 times table is the only exception in which the tens digit does not change. We can also remember the 9 times table because the tens digits go up by 1 with each new times table and the units digits decrease by 1 with each new times table. The only exception is 11 × 9 = 99, which can be remembered because we simply repeat the digit 9.
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The numbers in the 9 times table up to 12 × 9 have digits that add up to make 9. For these answers, we subtract one from the number we are multiplying by 9 to find the tens digit and the units digit is the number that we add to the tens digit to make a sum of 9. To learn the 9 times table, remember that we can use a times table trick to memorise the answers up to 10 × 9. The 9 times table is made by counting up in nines as shown: