Printable PDF and Answer Key 
Practice Problems
Solve without a calculator
\(\textbf{1)}\) \(409-821\)
The answer is \(-412\)
\(\textbf{2)}\) \(316-509\)
The answer is \(-193\)
\(\textbf{3)}\) \(42-350\)
The answer is \(-308\)
\(\textbf{4)}\) \(1{,}802-3{,}821\)
The answer is \(-2{,}019\)
\(\textbf{5)}\) \(211-311\)
The answer is \(-100\)
\(\textbf{6)}\) \(-452-374\)
The answer is \(-826\)
\(\textbf{7)}\) \(-1{,}412-2{,}821\)
The answer is \(-4{,}233\)
\(\textbf{8)}\) \(-31-599\)
The answer is \(-630\)
\(\textbf{9)}\) \(-3{,}582+1{,}987\)
The answer is \(-1{,}595\)
\(\textbf{10)}\) \(305-791\)
The answer is \(-486\)
\(\textbf{11)}\) \(225-905\)
The answer is \(-680\)
\(\textbf{12)}\) \(-72-420\)
The answer is \(-492\)
\(\textbf{13)}\) \(-2{,}551+4{,}128\)
The answer is \(1{,}577\)
\(\textbf{14)}\) \(-412-412\)
The answer is \(-824\)
\(\textbf{15)}\) \(-490+322\)
The answer is \(-168\)
\(\textbf{16)}\) \(-3{,}567-4{,}983\)
The answer is \(-8{,}550\)
\(\textbf{17)}\) \(-251-59\)
The answer is \(-310\)
\(\textbf{18)}\) \(-8{,}111+1{,}999\)
The answer is \(-6{,}112\)
See Related Pages\(\)
