It is easier to simply add two one-digit numbers than to mess about with estimation!
6
Nothing special about it. 489 +65 554
999,999 is 6 digits Adding 1 makes it 1,000,000 = a 7 digit number.
they all are digit numbers
Add the last digit (units digit) to twice the previous digit (tens digit). If this sum is divisible by 4, so is the original number.
Idont know
Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.Any four-digit number will do. Add it to the number 33333, to get the original number you have to subtract from.
You line up the last numbers and then add it!
No. There's no two digit numbers that could do this. The largest two digit number is 99. If you add 99 to itself, you only get 198, which is much smaller than a four digit number.
6
Nothing special about it. 489 +65 554
To divide a single digit number by a double digit number,you first have to understand its obviously isn't easy. The following should help: *Put a zero on the area of the quotient and add a decimal point next to it. * After doing this,divide as if both numbers were two digit numbers and proceed You should get the answer.
999,999 is 6 digits Adding 1 makes it 1,000,000 = a 7 digit number.
10,000,001
they all are digit numbers
Add the last digit (units digit) to twice the previous digit (tens digit). If this sum is divisible by 4, so is the original number.
Multiply the three-digit number by the one's digit, or last digit, of the two-digit number. That is your first part. Now multiply by the second-to-last digit, or ten's digit, and multiply the result by 10. That is your second part. Add the two parts and that is your answer.