(3*10)+(9*1)=39
8 tens.
500+10+6 = 516
9 rounds up to 10. You can't put ten tenths in one place, you need to regroup and increase the ones by one.
One ten is equal to ten ones
yes
Oh, dude, it's like super easy. So, you start with 78, right? And then you regroup 1 ten as 10 ones. So, you take 1 from the tens place and add it to the ones place, making it 8 tens and 18 ones. See, easy peasy lemon squeezy!
(3*10)+(9*1)=39
6+6 7+7 10+8 6+4
8 tens.
500+10+6 = 516
9 rounds up to 10. You can't put ten tenths in one place, you need to regroup and increase the ones by one.
10+6
Ten of them because 10*1 = 10
One ten is equal to ten ones
10 ones equall 1 ten
There are ten ones in ten.