Here’s an example of a SPEED MATH shortcut for CHECKING MULTIPLICATION: (Check) Mul from the CHECKING ANSWERS category.
Make sure to check out SEED NUMBER CONCEPT to understand how Seed numbers are calculated.
When can I use this method?
For checking any Multiplication.
This method can also be used to check multiplication of more than 2 numbers.
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Download Practice sheet for CHECKING MULTIPLICATION
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Notes –
- Make sure to check out SEED NUMBER CONCEPT to understand how Seed numbers are calculated.
- Any time you come across a seed number values greater than 1-digit, reduce it to a single digit value using the seed number concept.
- It is the fastest and easiest way to verify your answers.
Related Shortcuts –
Checking Division : (Check) Div
Checking Addition : (Check) Add
Checking Subtraction : (Check) Sub
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One reply on “[Speed Math] CHECKING MULTIPLICATION”
In seed multiplication method when we get 9 then how to check correct answer because any number multiplied with 9 gives seed no 9.
for eg.
9*3= 9 * ?
if we put any number in place of ? , answer would be seed number 9 in each case.