MA19.7.8
Solve multi-step real-world and mathematical problems involving rational numbers (integers, signed fractions and decimals), converting between forms as needed. Assess the reasonableness of answers using mental computation and estimation strategies.
Solve multi-step real-world and mathematical problems involving rational numbers (integers, signed fractions and decimals), converting between forms as needed. Assess the reasonableness of answers using mental computation and estimation strategies.
UP:MA19.7.8
Vocabulary
- Rational numbers
- Integers
- Estimation
Knowledge
Students know:
- techniques for converting between fractions, decimals, and percents.
- Techniques for estimation, mental computations, and how to assess the reasonableness of their answers.
Skills
Students are able to:
- convert between different forms of a rational number.
- Add, subtract, multiply and divide rational numbers.-translate verbal forms of problems into algebraic symbols, expressions, and equations.
- Use estimation and mental computation techniques to assess the reasonableness of their answers.
Understanding
Students understand that:
- One form of a number may be more advantageous than another form, based on the problem context.
- Using estimation strategies helps to determine the reasonableness of answers.
