# Multiplying Whole Numbers and Decimals Lesson 2-2

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Multiplying Whole Numbers and Decimals

Multiplying Whole Numbers and DecimalsLesson 2-2Things you need to knowDo not line up the decimal points!

Pretend all decimals are whole numbers until the very endOnly look at the decimals when trying to figure out where to put the decimal point in your answerStrategy #1405 59 = x 405x 59or 405x 50 405x 9+455 x 9 = 45Put the 5 in the answer and carry the 4 (its really 40) to the next place value (tens)4(9 x 0) + 4 = 4

Write down the 4.36(9 x 4) = 36

Since there are no other numbers to multiply, write down the 36.Zero is a place holder. Put a zero in your answer to hold its place.0255 x 5 = 25Put the 5 in the answer and carry the 2 (its really 20) to the next place value (tens)(5 x 0) + 2 = 2

Write down the 2.02(5 x 4) = 20

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