(Subtracting column addition)
{"Image DocumentName": "(Subtracting column addition)", "Image ImageDescription": "Generating S.C. in maths. (Subtracting column addition) Write the two numbers down under each other (biggest number is on top, make sure you line up the 100 s, 10 s and units.) Start by subtracting the units. If the top number is smaller than the bottom number then knock next door and exchange a ten. Borrow the ten and write in the units column. Subtract the two numbers and write the answer underneath. Continue doing this with the tens and hundreds column. Complete the number sentence.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}