To solve 2890-2345 without a calculator do the following either in your head or on paper:
2890
<u>-2345
</u> 0545
** Remember to carry over **
Hope this helps!
There are 7 tens, so i want to say 10^7
10 to the seventh power
Each person would get 17 blocks and there will be two left over.If you have a number greater than 30 and you want to divide it by 3 you use the distributive property. 30\3 is 10 plus 23 divided by 3 is 7r2.10 plus 7r2 is 17r2...