3rd Grade - Expressions, Equations And Inequalities

 Grade Level: 3rd Skill: Equations Topic: Expressions, Equations and Inequalities Goal: Represent relationships of quantities in the form of mathematical expressions, equations, or inequalities. Skill Description: Algebra and Functions: Making equations and inequalities The ability to recognize that numeric quantities can be expressed using various number combinations and still represent the same value.

Building Blocks/Prerequisites

Sample Problems

 (1) How do I know where the missing number goes in an equation? The child will be able to explain and use symbols for unknown quantities. (? , x, empty box) (2) What does an equation look like? The child will recognize equations involving only one operation up to 99. An equation is a mathematical statement that has numbers on either side of an = sign. The numbers on the left side has the same value as the numbers on the right. (3) What do I do when I see an empty box or question mark in an addition or multiplication problem? The child is able to find missing addition and multiplication facts. (4) How do I know when and where to put a symbol? The child uses symbols to represent problem situations, which involve unknown quantities. (5) How can a real-world problem look numerically? The child will be able to formulate problem situations involving one-step equations in one unknown with a whole number solution. (6) What is a number family? A group of three numbers that is linked together in either multiplication and division or addition and subtraction.

Online Resources

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