3.2
The student will recognize and use the inverse relationships between addition/subtraction and multiplication/division to complete basic fact sentences. The student will use these relationships to solve problems.
Essential Knowledge and Skills (Full Curriculum Framework for this SOL)
Textbook Correlation
| Topic | Grade | Lessons(s) | |
| 3.2 | Addition/Subtraction | 3 | 1-13, 3-1, 3-2, 3-3, 3-4 |
| 3.2 | Multiplication/Division | 3 | 7-4, 7-5, 7-6, 7-7, 7-9 |
| Links to Related SOL |
| 2.7b 3.2 4.4b,c |
On-Line Games and Practice:
aaamath.com: Inverse Relationships (+ & -)
Mini-lesson and practice
321know.com: Inverse Relations of + and –
Mini-lesson and practice
321know.com: Inverse of Relations of x and /
Mini-lesson and practice
quia.com: Inverse Relationships
Practice questions about inverse relationships
321know.com: Inverse Relationships
Mini-lesson and online practice on topic
Reference:
elementarysoftware.com: Terrific Triangles
Downloadable drill-and-practice program that teaches fact families for both addition/subtraction and multiplication/division. View the read me file here.
School Health Initiative Project: Rounding Tag
Students practice rounding numbers while participating in physical activity.
School Health Initiative Project: Bounding and Rounding
Students retrieve numbers, analyze and round to the closest ten (or assigned place value according to the grade level).
School Health Initiative Project: Rounding Chaos
Students round a multi-digit number to the closest place value requested.
mathatube.com: Fact Triangles
Video and examples of fact triangles
schools.ccps.k12.va.us: Inverse Relationship
Complete lesson plan with links included
eduplace.com: What is Inverse?
Explanation of inverse relationship
eduplace.com: Introducing the Concept
Explaining inverse relationships with manipulatives
eduplace.com: Inverse Relationships
Ideas for teaching inverse relationships
teachingtoday.glencoe.com: Connections between Problems
Video explaining the inverse relationship
tpspublishing.com: Understand and Use Inverse
Complete lesson plan
eduplace.com: Inverse Relationships
Ideas for inverse relationships
eduplace.com: Inverse Relationships
Explanation and examples of inverse relationships
Free Worksheets:
math-drill.com: Multiplication/Division Inverses
Pre-made worksheet
theteacherscafe.com: Worksheets
Several worksheets on fact families
softschools.com: Fact Families/Inverse Relationships
Generate worksheets on +/- fact families