How Do You Find a Value to Make an Open Sentence True?

How Do You Find a Value to Make an Open Sentence True?

Note:

Solving open sentences can be fun! Follow along with this tutorial to see how to find the values that make an open sentence true!

Keywords:

  • problem
  • open sentence
  • inequality
  • plugging in
  • true sentence

Background Tutorials

  • Read and write multi-digit whole numbers using base-ten numerals, number names, and expanded form. Compare two multi-digit numbers based on meanings of the digits in each place, using >, =, and < symbols to record the results of comparisons.

      • How Do You Compare Two Whole Numbers?How Do You Compare Two Whole Numbers?

      How Do You Compare Two Whole Numbers?

      Comparing two large whole numbers can be a chore, but using a place value chart can make the process easier. Take a look at how to line up the digits and figure out which number is larger.

  • Interpret statements of inequality as statements about the relative position of two numbers on a number line diagram.

      • What's an Inequality?What's an Inequality?

      What's an Inequality?

      Inequalities come up all the time when you're working algebra problems. In this tutorial you'll learn what an inequality is, and you'll see all the common inequality symbols that you're likely to see :)

Further Exploration

  • Use parentheses, brackets, or braces in numerical expressions, and evaluate expressions with these symbols.

  • Write simple expressions that record calculations with numbers, and interpret numerical expressions without evaluating them.