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5+5=10
I dont know why not ask some math geek
Adding doubles can help you multiply by 2 through the property of commutativity in multiplication. By adding two equal numbers together (doubles), you are essentially multiplying one of the numbers by 2. For example, 5 + 5 = 10, which is the same as 5 x 2 = 10. This strategy can simplify multiplication problems and help build a deeper understanding of the relationship between addition and multiplication.
29
It can help SOME people to understand it better - though others find it makes things more confusing. So it is NOT universally better.
5+5=10
4+4
You can do the fact backwards. ex. 3+4=7 turn it around 7-4=3 I believe it is called doing the inverse operation.
The best place to get kindergarten addition worksheets to help the students better understand the math questions is at math addition dot com. Good source of worksheets.
I dont know why not ask some math geek
6+7
Basic fact --- 9X5=45 So 4500/9=500
Adding doubles can help you multiply by 2 through the property of commutativity in multiplication. By adding two equal numbers together (doubles), you are essentially multiplying one of the numbers by 2. For example, 5 + 5 = 10, which is the same as 5 x 2 = 10. This strategy can simplify multiplication problems and help build a deeper understanding of the relationship between addition and multiplication.
1
There are a lot of websites that can help with this. Math.com and other sites like this will help you. You can print out worksheets that are PDF format
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