Traditional Culture Encyclopedia - Photography and portraiture - Find the shaded area in third grade elementary school mathematics.

Find the shaded area in third grade elementary school mathematics.

You can use two methods of addition and subtraction to calculate: crosswise cutting: 6*2+2*2=12+4=16 square centimeters.

Cut vertically: or 4X2+(6-2)X2=8+8=16 square centimeters.

Large rectangle-blank rectangle=6*4-(6-2)X(4-2)=24-4*2=24-8=16 square centimeters.