Goals for CMP2 Relating Fraction & Decimal Multiplication, Problem 2-1
- Estimate the relative size of a decimal product prior to finding an exact answer
- Develop place-value understanding of decimal multiplication
- Solve problems that require decimal multiplication
- Consider how finding a decimal part of and a fraction part of a quantity affects the relative size of a product
- Use place value to reason about decimal multiplication
- Explore the relationship between factors and products in decimal multiplication
- Develop estimation strategies for finding decimal products
- Use estimation as a strategy for locating the position of the decimal in finding exact decimal products
- Generalize an approach to placing the decimal point into a product that involves counting and adding decimal places
- Consider when various strategies are useful for finding decimal products
- Understand what happens to place value and the position of the decimal when you multiply by powers of ten
- Develop at least one efficient algorithm for multiplying decimals