# NCTM Math Standards Correlation

## Enabling Students to Make Sense of Mathematics

More than twenty years before the Common Core Math Standards appeared on the scene, Dr. Henry Borenson, the inventor of Hands-On Equations, was already using “common core mathematical practices” in his work with students. With peer-reviewed published articles such as, “Teaching the Process of Mathematical Investigation,” “Teaching Students to Think in Mathematics and to Make Conjectures,” and “Promoting Mathematical Creativity in the Classroom,” Dr. Borenson emphasized the importance of students being able to understand and communicate mathematics.

Since algebra deals with abstract symbols many students have difficulty conceptualizing the meaning of algebraic linear equations and the means of their solution. The visual and kinesthetic approach of Hands-On Equations enables students to grasp algebraic concepts concretely, pictorially and then abstractly. Our verbal problems books enable students to apply the Hands-On Equations strategies to the solution of verbal problems.

Many students find fractions difficult since they do not understand the meaning of unit fractions or fractions. Our Developing Fractions Sense programs for grades 3, 4 and 5 enable the teacher to present the Common Core fraction standards for those grades in a sense-making approach by utilizing concrete and pictorial presentations before providing arithmetic means.

## Common Core State Standards: Mathematical Content

As early as the third grade the Common Core Math Standards requires students to be able to solve verbal problems and to express those as abstract equations using a letter for the unknown. Hands-On Equations enables students to experience success by first representing the problem concretely or pictorially, and only then by an abstract equation using a letter for the unknown.

Hands-On Equations can enable your students to meet these Common Core Mathematical Content standards:

• Solve two-step word problems and represent those problems using equations with a letter standing for the unknown (3.OA.8).
• Solve multistep word problems using drawing and equations with a symbol for the unknown (4.OA.2).
• Understand that positive and negative numbers have opposite values (6.NS.5).
• Solve mathematical problems using algebraic expressions and equations (7.EE.4).