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How does associative property of multiplication help to calculate products mentally?
Wiki User
∙ 10y ago
For example, evaluate 17*5*20:
Method 1: (17*5)*20 = 85*20 = 1,700.
Method 2: 17*(5*20) = 17*100 = 1,700.
Notice that by first multiplying 5*20 to get 100, the calculation is easy to do in your head.
You can also use the commutative property to rearrange a question:
5*21*4 = 5*4*21 = 20*21 = 420
Wiki User
∙ 10y ago
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How does adding partial products help solve multiplication problem?
How does adding partial products help solve a multiplication problem
Why does the multiplication method partial products work?
Because multiplication is distributive over addition.
What is multiplication products of 5?
5,10,1,20,25, 30,35,40,45,50,55,60,65,70,75,85,90,95,100........ and so on in that pattern
What is 8943 using partial-products method?
Partial products cannot be used for a single number. They are a form of multiplication.
Are the products of opposite corners of any rectangle in the multiplication table equal?
Yes.
How does adding partial products help solve multiplication problem?
How does adding partial products help solve a multiplication problem
Why does the multiplication method partial products work?
Because multiplication is distributive over addition.
What is multiplication products of 5?
5,10,1,20,25, 30,35,40,45,50,55,60,65,70,75,85,90,95,100........ and so on in that pattern
What combines multiplication and addition by multiplying each addend by the number and adding the products?
The distributive property of multiplication over addition.
Where can the facts about multiplication be found?
Multiplication facts and tables can be found all over the internet. A good place for worksheets for multiplication is through the Education website. Also, many teacher stores will have products regarding multiplication.
What is 8943 using partial-products method?
Partial products cannot be used for a single number. They are a form of multiplication.
What are the numbers called in multiplication?
Two factors are multiplied to make a product.
Are the products of opposite corners of any rectangle in the multiplication table equal?
Yes.
What does factors mean in multiplication?
Factors combine in multiplication to make products. In the sentence 3 x 6 = 18, 3 and 6 are factors of 18.
What is the remainder of 154x15?
Remainders accompany quotients, not products. 154x15 uses multiplication, not division.
How does adding partial products help you solve multiplication problem?
because if you don't you will get the wrong answer
What is the relationship between the multiplication table and prime numbers?
Any number that isn't on the list of products in an infinitely large multiplication table (excluding the 1s lines) is a prime.
