Multiplying Whole Numbers with Decimals

What is the first step when multiplying a whole number by a decimal?

• Ignore the decimal initially

• Place the decimal in the answer

• Add the numbers together

• Set up the problem according to the algorithm

When multiplying 37 by 1.2, what should you do with the decimal initially?

• Place it in the answer immediately

• Ignore it

• Move it to the left

• Move it to the right

What is the result of 37 times 1.2?

• 37.2

• 45.6

• 44.4

• 39.4

How do you handle the decimal when you have one digit behind the decimal in the problem?

• Place the decimal two places to the right in the answer

• Ignore the decimal completely

• Place the decimal one place to the right in the answer

• Place the decimal one place to the left in the answer

How many digits are behind the decimal in the answer if the problem has one digit behind the decimal?

• One digit

• Two digits

• Three digits

• No digits

What is the general rule for placing the decimal in the answer?

• Place it at the beginning of the number

• Place it at the end of the number

• Match the number of digits behind the decimal in the problem

• Ignore the decimal

If there are two digits behind the decimal in the problem, how many digits should be behind the decimal in the answer?

• One digit

• Two digits

• Three digits

• No digits

What is the product of 368 times 0.45?

• 165.60

• 166.50

• 164.40

• 167.70

What happens to the product when you multiply by a number less than one?

• The product becomes negative

• The product becomes larger

• The product becomes smaller

• The product remains the same

What should you expect when multiplying by a number close to 0.5?

• The product will be negative

• The product will be the same as the original number

• The product will be smaller than the original number

• The product will be larger than the original number