Answer all the questions below and press submit to see how many you got right.
Count : To count means to find out the number of objects by adding one for every object.
Standard algorithm : By standard algorithm we refer to any one of the algorithms that are commonly taught at school to add, subtract, multiply or divide multi-digit numbers such as long division and partial products multiplication.
We are calculating 1,615-741 using the standard algorithm. What 5-1? $$\begin{matrix} & & & & \\ &1&6&1&5\\-& &7&4&1\\=& & & & \\\end{matrix}$$