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In order to simplify the resolution process, we divide the number 35 into a smaller addition exercise.
It is easier to choose round whole numbers, hence the following calculation:
We then multiply each of the terms inside of the parentheses by 4:
Lastly we solve the exercises inside of the parentheses:
140
\( 12:(2\times2)= \)
Breaking numbers into tens and ones makes mental math much easier! It's simpler to multiply 4×30 and 4×5 than to tackle 4×35 all at once, especially when working without a calculator.
Yes! You can use any combination that adds to 35. However, multiples of 10 like 30 + 5 are usually easiest because multiplying by 10s gives round numbers.
Double-check that your split adds correctly! For example, 30 + 5 = 35 ✓. Then verify:
For mental math, absolutely! Once you practice the distributive property, it becomes much faster than trying to multiply large numbers in your head. It's also great preparation for algebra!
When learning, yes - write out to show your thinking clearly. This helps avoid mistakes and shows your teacher you understand the concept.
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