Solve It! Drag the appropriate inequality sign to fill in each blank.
(4)(3) ___ (1)(3)
(4)(2) ___ (1)(2)
(4)(1) ___ (1)(1)
Solve It! Drag the appropriate inequality sign to fill in each blank.
(4)(-1) ___ (1)(-1)
(4)(-2) ___ (1)(-2)
(4)(-3) ___ (1)(-3)
Solve It! Consider the previous item. What happens to the inequality symbol when you multiply each side of an inequality by a positive number? A negative number? Justify your reasoning.
Take Note: Summarize the Multiplication Property of Inequality. Be sure to indicate how it works differently for positive and negative numbers.
Problem 1 Got It? What are the solutions of the inequality?
Problem 1 Got It? Graph the solutions of the inequality.
Include all relevant graph detail.
Problem 2 Got It? What are the solutions of the inequality?
Problem 2 Got It? Graph the solutions of the inequality.
Include all relevant graph detail.
Take Note: Summarize the Division Property of Inequality. Be sure to indicate how it works differently for positive and negative numbers.
Problem 3 Got It? A student club plans to buy food for a soup kitchen.
A case of vegetables costs $10.68. The club can spend at most $50 for this project. What are the possible numbers of cases the club can buy? Categorize each number of cases.
1 case
2 cases
3 cases
4 cases
5 cases
6 cases
7 cases
The club can afford:
The club can not afford:
Problem 3 Got It? Reasoning: In Problem 3, why do you round to the greater whole number?
Problem 4 Got It? What are the solutions of the inequality?
Problem 4 Got It? Graph the solutions of the inequality.
Include all relevant graph detail.
Take Note: Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?
