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Can you think of another number pattern in multiples of 9?
The digital sum of multiples of 9 always add up to 9 as for example 9*9 = 81 and 8+1 = 9
How do the digits in each product relate to the factor 9?
If they are multiples of 9, the digits add up to a multiple of 9.
What is the sum of the multiples of 9?
There are infinitely many multiples of 9 and it is not possible to add them all.
What is noticeable about the sum in the multiples of 9?
That the sum of its digits add up to 9 as for example 9*9 = 81 and 8+1 = 9
How you know which numbers are multiples of 3?
If you add up the two digits and they make either 3, 6, or 9
What patterns can you find in the multiples of 9?
All digits will add up to 9 when one keeps adding until he/she gets a single digit.
What multiple of 9 is greater than 110 but less than 120?
117. All multiples of 9 have digits that add up to something divisible by 9. Examples, 117, 36, 45, 54 all have digits that add up to 9.
Is 498 a multiples for 9?
The digits of 498 do not add to a multiple of 9 so it isn't.
What is the first multiple of 9 that contains all even numbers?
288. All multiples of 9 will have digits that add to a multiple of 9. To get a multiple of 9 to be all even, you need to get them to add to 18, since no set of even numbers will add up to 9. 288 is the lowest multiple of 9 to be able to add to 18. ■
Which multiples of 3 add up to 36?
12 lots of 3 add up to 36
List all multiples of 9 up to 750?
9
What are the similarities of multiples of 3?
All multiples of 3 have digits that add up to a multiple of 3.
