The value of 3 in 153 is different than the value of
3 in 435. What is the value
of 3 in each number?
The value of 3 in 153 is 3 ones. The value of 3 in 435 is 3 tens.
Fill in the blank: 5 in 435 is one place to the right of 5 in 153, so the value of 5 in 435 is ____ its value in 153.
Look at Part 2. When multiplying a number by powers of 10, what do you notice about the exponent and the number of zeros?
In what direction does the decimal move?
Possible response: the exponent tells you how many places to move the decimal to the right, and the exponent corresponds to the number of zeros in the product.
When dividing a number by powers of 10, what do you notice about the exponent and the number of places the decimal moves? In what direction does the decimal move?
Possible response: the exponent tells you how
many places to move the decimal point to the left.
Look at Part 3. What is 404.55 written in expanded form?
4
What expression can you use to find how many bagels the school bought?
45
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