You could just do your 10 times table and add 5 on to it.
Look here is an EG
15 X 2 = 30
10 + 10 = 20
5+5=10
add them to together it made 30.
That way is easy for people that cant do times tables.
That should of told you how to do most times tables.
For 15:0 * 15 = 01 * 15 = 152 * 15 = 303 * 15 = 454 * 15 = 605 * 15 = 756 * 15 = 907 * 15 = 1058 * 15 = 1209 * 15 = 13510 * 15 = 15011 * 15 = 16512 * 15 = 18013 * 15 = 19514 * 15 = 21015 * 15 = 22516 * 15 = 24017 * 15 = 25518 * 15 = 27019 * 15 = 28520 * 15 = 30021 * 15 = 31522 * 15 = 33023 * 15 = 34524 * 15 = 36025 * 15 = 37526 * 15 = 39027 * 15 = 40528 * 15 = 42029 * 15 = 43530 * 15 = 450For 25:0 * 15 = 01 * 15 = 252 * 15 = 503 * 15 = 754 * 15 = 1005 * 15 = 1256 * 15 = 1507 * 15 = 1758 * 15 = 2009 * 15 = 22510 * 15 = 25011 * 15 = 27512 * 15 = 30013 * 15 = 32514 * 15 = 35015 * 15 = 37516 * 15 = 40017 * 15 = 42518 * 15 = 45019 * 15 = 47520 * 15 = 50021 * 15 = 52522 * 15 = 55023 * 15 = 57524 * 15 = 60025 * 15 = 62526 * 15 = 65027 * 15 = 67528 * 15 = 70029 * 15 = 72530 * 25 = 750
152= 15*15 = 225 152= 15*15 = 225 152= 15*15 = 225 152= 15*15 = 225
15 x 6 = 90 Another way to look at is 15 + 15 + 15 + 15 + 15 + 15.
the additive inverse of (-15) is 15.
The opposite of -15 is 15 .
15 30 45 60 75 90 105 120 135 150 165 180
No.
tha answers are........30,60,90,120,150,180,210,240,270,300,330 and 360 it's pretty easy, just count your 3 timestables and add a 0 hope that helped!!
1x 2x 3x 4x 5x 6x 7x 8x 9x 10x 11x 12x 13x 14x 15x etc
Only in 1 or 53 table as it is a prime number > 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 ...
To find the number that combines with 5 to produce 70, you need to divide 70 by 5: 70/5=14 Thus 14 multiplied by 5 makes 70. This means that, in 5 times tables, the 14th number would be 70.
there isexample7x7=496x8=481 less/1more timesed together = 1 less than middle number squared20x20=400so19x21=399also18x22=3962 less/2 more timesed together= (2x2) less than middle number squared17x23=39116x24=384I thought of this myself and i didnt copy it from anywhere !!!!!!!!!!!!!!!!!!!!!!!!!
For 15:0 * 15 = 01 * 15 = 152 * 15 = 303 * 15 = 454 * 15 = 605 * 15 = 756 * 15 = 907 * 15 = 1058 * 15 = 1209 * 15 = 13510 * 15 = 15011 * 15 = 16512 * 15 = 18013 * 15 = 19514 * 15 = 21015 * 15 = 22516 * 15 = 24017 * 15 = 25518 * 15 = 27019 * 15 = 28520 * 15 = 30021 * 15 = 31522 * 15 = 33023 * 15 = 34524 * 15 = 36025 * 15 = 37526 * 15 = 39027 * 15 = 40528 * 15 = 42029 * 15 = 43530 * 15 = 450For 25:0 * 15 = 01 * 15 = 252 * 15 = 503 * 15 = 754 * 15 = 1005 * 15 = 1256 * 15 = 1507 * 15 = 1758 * 15 = 2009 * 15 = 22510 * 15 = 25011 * 15 = 27512 * 15 = 30013 * 15 = 32514 * 15 = 35015 * 15 = 37516 * 15 = 40017 * 15 = 42518 * 15 = 45019 * 15 = 47520 * 15 = 50021 * 15 = 52522 * 15 = 55023 * 15 = 57524 * 15 = 60025 * 15 = 62526 * 15 = 65027 * 15 = 67528 * 15 = 70029 * 15 = 72530 * 25 = 750
15, 30, 45, 60, 7515x1=1515x2=15+15=3015x3=15+15+15=4515x4=15+15+15+15=6015x5=15+15+15+15+15=75The first 5 multiples of 15 are:15,30,45,60,75
It equals 285
15
152= 15*15 = 225 152= 15*15 = 225 152= 15*15 = 225 152= 15*15 = 225