Hello boys and girls, how is everybody today? Good. Today, we'll be studying subtraction, so come on, let's all gather around. Let's gather around the computer and we're going to review the basic fundamentals of learning how to subtract. First, we're all going to say the subtraction equations when they show on the computer. Then we'll all say the answer together when it's shown. Later on, we're going to take a little test just to see how well we're doing. And a reminder before we begin, we're going to go through the subtraction tables one through twelve over and over again. If you need more time, you can use this pause button on your machine whenever you need more time to answer. So come on everybody, let's begin. Zero minus zero equals zero. One minus zero equals one. One minus one equals zero. Two minus zero equals two. Two minus one equals one. Two minus two equals zero. Three minus zero equals three. Three minus one equals two. Three minus two equals one. Three minus three equals zero. Four minus zero equals four. Four minus one equals three. Four minus two equals two. Four minus three equals one. Four minus four equals zero. Five minus zero equals five. Five minus one equals four. Five minus two equals three. Five minus three equals two. Five minus four equals one. Five minus five equals zero. Six minus zero equals six. Six minus one equals five. Six minus two equals four. Six minus three equals three. Six minus four equals two. Six minus five equals one. Six minus six equals zero. Seven minus zero equals seven. Seven minus one equals six. Seven minus two equals five. Seven minus three equals four. Seven minus four equals three. Seven minus five equals two. Seven minus six equals one. Seven minus seven equals zero. Eight minus zero equals eight. Eight minus one equals seven. Eight minus two equals six. Eight minus three equals five. Eight minus four equals four. Eight minus five equals three. Eight minus six equals two. Eight minus seven equals one. Eight minus eight equals zero. Nine minus zero equals nine. Nine minus one equals eight. Nine minus two equals seven. Nine minus three equals six. Nine minus four equals five. Nine minus five equals four. Nine minus six equals three. Nine minus seven equals two. Nine minus eight equals one. Nine minus nine equals zero. Ten minus zero equals ten. Ten minus one equals nine. Ten minus two equals eight. Ten minus three equals seven. Ten minus four equals six. Ten minus five equals five. Ten minus six equals four. Ten minus seven equals three. Ten minus eight equals two. Ten minus nine equals one. Ten minus ten equals zero. Eleven minus zero equals eleven. Eleven minus one equals ten. Eleven minus two equals nine. Eleven minus three equals eight. Eleven minus four equals seven. Eleven minus five equals six. Eleven minus six equals five. Eleven minus seven equals four. Eleven minus eight equals three. Eleven minus nine equals two. Eleven minus ten equals one. Eleven minus eleven equals zero. Twelve minus zero equals twelve. Twelve minus one equals eleven. Twelve minus two equals ten. Twelve minus three equals nine. Twelve minus four equals eight. Twelve minus five equals seven. Twelve minus six equals six. Twelve minus seven equals five. Twelve minus eight equals four. Twelve minus nine equals three. Twelve minus ten equals two. Twelve minus eleven equals one. Twelve minus twelve equals zero. Okay, boys and girls, now let's see how much we've learned. We're going to have a little competition. We're going to say the subtraction problems when they appear on the computer screen. Only this time we're going to write our answers down on a piece of paper. Then we'll compare our answers with the computers. Let's see if we can get them all right. One minus one. Two minus zero. Two minus one. Two minus two. Three minus zero. Three minus one. Three minus two. Three minus three. Four minus zero. Four minus one. Four minus two. Four minus three. Four minus four. Five minus zero. Five minus one. Five minus two. Five minus three. Five minus four. Five minus five. Six minus zero. Six minus one. Six minus two. Six minus three. Six minus four. Six minus five. Six minus six. Seven minus zero. Seven minus one. Seven minus two. Seven minus three. Seven minus four. Seven minus five. Seven minus six. Seven minus seven. Eight minus zero. Eight minus one. Eight minus two. Eight minus three. Eight minus four. Eight minus five. Eight minus six. Eight minus seven. Eight minus eight. Nine minus zero. Nine minus one. Nine minus two. Nine minus three. Nine minus four. Nine minus five. Nine minus six. Nine minus seven. Nine minus eight. Nine minus nine. Ten minus zero. Ten minus one. Ten minus two. Ten minus three. Ten minus four. Ten minus five. Ten minus six. Ten minus seven. Ten minus eight. Ten minus nine. Ten minus ten. Eleven minus zero. Eleven minus one. Eleven minus two. Eleven minus three. Eleven minus four. Eleven minus five. Eleven minus six. Eleven minus seven. Eleven minus eight. Eleven minus nine. Eleven minus ten. Twelve minus zero. Twelve minus one. Twelve minus two. Twelve minus three. Twelve minus four. Twelve minus five. Twelve minus ten. Twelve minus eleven. Twelve minus twelve. Well, boys and girls, I hope you've all learned something today. And remember to practice your subtraction problems a little each day. You can use this video cassette to study by yourself, with your family, or with your friends. And remember, have fun while learning to subtract.