Bell Ringer Solve 2883 31 Objective SWBAT define

Bell Ringer • Solve 2883 ÷ 31 = ?

Objective • SWBAT define rational and irrational numbers; • SWBAT determine whether a fraction is rational or irrational.

Schedule • Bell Ringer • Turn in Surveys and/or Story of Self • Agenda Log Check for extra credit • Notes—get paper out quickly, quietly, and orderly! • Definitions; converting worksheet (partner work)

Definitions •

Rational Numbers • This means rational numbers include fractions and decimals (but not ALL fractions and decimals). • When decimals repeat or terminate (end), this means they are rational. • EVERY FRACTION IS A DIVISION PROBLEM. This is how we determine whether a fraction is rational or not. Sheet

Visual (mathisfun. com)

Core Properties of Rational/Irrational • Sum or product of two rational #s rational; • Sum of rational # and irrational # irrational; • Product of nonzero rational # and irrational # irrational.

Examples •

Bell Ringer • Solve 270 ÷ 18 = ?

Objective • SWBAT use a number line to solve problems involving negative integers (Math Practice— Model with Math) • SWBAT familiarize self with textbook (Math Practice—Strategy)

Schedule • Bell Ringer • Finish textbook search activity (12 minutes) • Showing Distance with a Numberline worksheet • Locks? • Create your own numberline (Monday? )

Remember! • Negatives added to negatives makes the answer MORE NEGATIVE. • Subtracting a negative is the SAME AS adding a positive! [ex: 4 – (-2) 4 + 2 = 6]