options: Explain patterns in the number of zeros of the product when multiplying a number by powers of 10, and explain patterns in the placement of the decimal point when a decimal is multiplied or divided by a power of 10. Use whole-number exponents to denote powers of 10.

Read, write, and compare decimals to thousandths.

Use place value understanding to round decimals to any place.

Recognize that in a multi-digit number, a digit in one place represents 10 times as much as it represents in the place to its right and 1/10 of what it represents in the place to its left.
problem_activity: Complete the following chart:
| **           Standard Form          ** | **           Word Form          ** |                          **           Expanded Form          **                          |
|----------------------------------------|------------------------------------|------------------------------------------------------------------------------------------|
|                                        |                                    | $$(4\times1)+\left(6\times\frac{1}{100}\right) + \left(3\times{\frac{1}{1,000}}\right)$$ |
|                                        |      thirty-five thousandths       |                                                                                          |
|                 42.905                 |                                    |                                                                                          |


correct_option_index: 1