Equations and Inequalities Challenge

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• Commutative Property

• Associative Property

• Subtraction Property of Equality

• Multiplication Property of Equality

Write a one-variable addition equation for the following situation: "A number increased by 8 is 15."

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Write a one-variable multiplication equation for the following situation: "Three times a number is 21."

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Write and solve the equation: "A number divided by 2.5 is 4."

Which symbol is used to represent an inequality that is "less than or equal to"?

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