I would like to challenge you to try this strategy when teaching subtraction to your students. If you decide to use it, please describe your experience in the comments section. Great blog! I needed this reminder about other algorithms for subtraction. I guess I have a fear of parents who will complain when their kids come home doing math a "different" way.
I wish that I could get them to come in and teach math to them too! Your email address will not be published. This site uses Akismet to reduce spam. It makes the problem nicer, if we can subtract our hundreds with our hundreds and our tens with our tens and our ones with our ones, and then put those back together.
They have such cool understandings around how numbers work and around place value, that then leads to that strategy. The second key understanding that I want you to be watching for and building this understanding for your kids, is helping them understand the relationship between addition and subtraction. Once I learned that you can add to subtract, I never went back.
That was mind-blowing to me because addition is just so much easier, and sometimes trying to do subtraction in your head, especially when you have to subtract across a bunch of zeroes, becomes super difficult. If I can think about what I need to add to to get me to 10,, it makes that problem nicer. Stories and songs are always a great way of making ideas stick.
Math can be found in many of your favorite ones. To help your child understand that subtraction is the opposite of addition, use number bonds. It often proves more tricky to teach kids subtraction compared to addition.
One reason is that there are so many different ways to visualize and show subtraction methods. But this also gives you an opportunity to bring math to life in your everyday routines. Why not make a list together of household activities that involve subtraction? Whether you do subtraction with pictures, objects or symbols, the most important idea for your child to grasp is that subtraction gives you the difference between two quantities.
For example, if I had 7 cookies and my greedy friend takes 3 cookies, how many cookies do I have left? As you go through this exercise, your child may excitedly remove one cookie at a time until they have four in front of them.
You can get them to visualize the process on a number line, starting at 7 and counting back one at a time up to three steps. When teaching students how to subtract, it can be helpful to present the concept to them in a variety of formats. After introducing basic subtraction principles, tackle place values and two-digit subtraction. Try different techniques to see what works for your student s.
To teach subtraction, start by presenting your students with a simple subtraction word problem. Next, explain the problem by drawing the total number of objects on the board, ask the students to count the objects, and label each object with a number. Then, as you explain how many objects are being subtracted, cross out or erase those objects and ask the students to count how many objects are left.
Lastly, walk your students through the process of translating the word problem into a number sentence.
For tips on teaching more difficult subtraction problems, read on! Did this summary help you? Yes No. Log in Social login does not work in incognito and private browsers. Please log in with your username or email to continue. No account yet? Create an account.
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Present your students with a subtraction word problem. Write or recite a subtraction word problem for your students. It's best to write it or provide them with a copy on a worksheet so that they can refer back to the actual problem. There are 8 oranges on the table. Jordan ate 3 oranges. How many oranges are left? Explain the problem with a drawing. Draw 8 orange circles on the board or a sheet of paper. Ask the students to count the oranges—you may label each orange with a number.
As you explain that Jordan ate 3 oranges, cross out or erase 3 of the oranges. Ask the students how many oranges are left.
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