Writing and Translating Inequalities| Math Defined with Mrs. C | 7.EE.B.4

This video tutorial introduces the concept of inequalities in mathematics, explaining how they compare two values using symbols like less than, greater than, and equal to. It provides examples of translating phrases into inequalities and offers practice exercises to reinforce understanding. The tutorial concludes with a brief introduction to solving inequalities, encouraging viewers to continue learning in the next video.

What is an inequality?

• A statement that describes a geometric shape.

• A mathematical statement that compares two values using symbols.

• A statement that calculates the sum of two numbers.

• A mathematical statement that shows equality between two values.

How would you represent 'a number H plus 4 is less than -5.6' as an inequality?

• H + 4 > -5.6

• H + 4 ≥ -5.6

• H + 4 = -5.6

• H + 4 < -5.6

Which symbol is used to represent 'at least' in inequalities?

• <

• >

• ≥

• ≤

Translate 'twice a number X is no less than -8' into an inequality.

• 2X ≤ -8

• 2X ≥ -8

• 2X < -8

• 2X > -8

What does the phrase 'no more than' imply in an inequality?

• Greater than

• Less than

• Less than or equal to

• Equal to

How would you express '15 is greater than or equal to five times a number K'?

• 15 ≤ 5K

• 15 < 5K

• 15 = 5K

• 15 ≥ 5K

What tool can help you match key phrases to inequality symbols?

• A calculator

• A protractor

• A chart

• A ruler