Indicators Represent rational numbers as fractions, decimals, and percents using hands-on materials, diagrams, and symbols. Select and use an appropriate form of a rational number to solve a problem. Order and graph rational and irrational numbers on a number line. Identify a whole number between 0 and 400 as a perfect square or find the two consecutive integers between which the number's square root lies. Benchmark 7.1.5.Students simplify and evaluate numerical and variable expressions involving rational numbers, scientific notation, and exponents.
Indicators Perform operations with rational numbers.
Use order of operations to simplify numerical expressions. Convert numbers written in scientific notation into standard notation. Convert numbers written in standard notation into scientific notation. Use laws of exponents to simplify expressions with positive and negative exponents. Distinguish between numerical and variable expressions.