What two numbers equal 9?
What two numbers equal 9? List of Factor Pairs for 91 x 9 = 9.3 x 3 = 9.9 x 1 = 9. Do all multiples of 9 add up to 9? The first 10 multiples of 9 have digits that always sum to make 9, which can make them easier to memorise. For example, when looking at the numbers of 9, 18, 27 and 36, we have 9 = 9, 1 + 8 = 9, 2 + 7 = 9 and 3 + 6 = 9. This pattern continues all the way up to 90, which has 9 +...