Multiplying by Powers of Ten

This video tutorial explains how multiplying numbers by powers of ten affects their value. It covers the concept of place value and demonstrates how each power of ten increases a number's value by shifting digits to the left. The tutorial provides examples of multiplying both whole numbers and decimals by powers of ten, highlighting the pattern of adding zeros for whole numbers and shifting the decimal point for decimals. Common misunderstandings are addressed, emphasizing the importance of understanding the value increase rather than just adding zeros.

What happens to a digit's value when you multiply by a power of ten?

• It becomes zero.

• It decreases by ten times.

• It remains the same.

• It increases by ten times.

How do you find the relationship between place values?

• By adding 100.

• By multiplying or dividing by 10.

• By subtracting 10.

• By adding 10.

What is the value of 9 in the number 941?

• Nine

• Ninety

• Nine thousand

• Nine hundred

When multiplying 4 by ten to the third power, what is the product?

• Forty thousand

• Four hundred

• Forty

• Four thousand

What pattern is followed when multiplying whole numbers by powers of ten?

• Adding two zeros for each power

• Subtracting one zero for each power

• No pattern

• Adding one zero for each power

How does the decimal point shift when multiplying decimals by powers of ten?

• One place to the right for each power

• One place to the left for each power

• Two places to the left for each power

• Two places to the right for each power

What is the product of 692 thousandths times ten to the second power?

• Six and ninety-two hundredths

• Sixty-nine and two-tenths

• Six hundred ninety-two

• Six thousand nine hundred twenty

What is a common misunderstanding when multiplying by powers of ten?

• Thinking the number remains unchanged

• Thinking you add a zero for each power

• Thinking you subtract a zero for each power

• Thinking the number becomes negative

What is the result of multiplying two and nine hundred five thousandths by ten to the third power?

• Two and nine hundred five thousandths

• Two hundred ninety-five

• Two thousand nine hundred five

• Twenty-nine thousand five hundred

What is the key takeaway from multiplying by powers of ten?

• It has no effect on the value of digits.

• It makes the number negative.

• It increases the value of digits.

• It decreases the value of digits.