Describe the mental math steps you would use to find 7(42)
2 answers:
Answer:

Step-by-step explanation:
Distributive property of multiplication over addition:
When a number is multiplied to a sum of two numbers then it can be multiplied to the numbers individually and then add the two products,
It can be written as:

Similarly, we can use this property to find the product of 

The product of 7 and 42 is 294.
You would find 7*40 7*4=28
So 7*40=280 (just add a zero)
7*2=14
The answer would be 280+14=294
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