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6.5x6.6 but show the work with partial standard algorithm

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Answer: Addition via partial products:

1st number has 1 decimal places.

2nd number has 1 decimal places.

So 2 decimal places will apper in the final answer.

× 60 5 sum

60 3600 300 3900

6 360 30 390

sum 3960 330 4290

Remember the decimal places!

Final answer: 42.9

Step-by-step explanation: The partial products algorithm allows pupils to quickly & easily multiply two long numbers by turning a more difficult product into a bunch of smaller problems. This strategy is based on the expanded form of a number and on the distributive property.

User Andras Sanislo
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