作者：Drew Lodermeier 8 年以前
1452
Long Division
This educational resource aims to help students independently learn and practice the concept of long division. It introduces a mnemonic, "Does McDonald's Sell Cheese Burgers," to remember the steps:
作者：Drew Lodermeier 8 年以前
1452
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The goal of this mind map is to gives students a lesson that they can do independently to strengthen their understanding of the concept of division and practice on their own.
When we talk about long division you might hear words that are new to you but they all tell you something important about the numbers you are working with.
Some numbers can't be divided into equal group and there will be numbers left over. This number is called the remainder.
The quotient is the answer to the division problem. It is the number of things in each group. The quotient is written on top of the division symbol.
The divisor is the number of equal groups you are cutting in to. It is on the outside of the division symbol and is usually the smaller of the two numbers.
The dividend is the number that you are cutting into equal groups. It is the number on the inside of the division symbol and is usually the bigger of the two numbers.
Long division means you are taking a large number that might have many place values (ones, tens, hundreds, thousands) and cutting that number in to equal parts.
Try at least five problems from each site. Then choose your favorite and practice on that site until our time is finished.
Just remember the letters DMSCB
Divide
Multiply
Subtract
Check
Bring down
If it helps think "Does McDonald's Sell Cheese Burgers?" Repeat these steps for each place value contained in your dividend.
