LEARN NC

K–12 teaching and learning · from the UNC School of Education

Goal 1

Number and Operations - The learner will understand and compute with rational numbers.

Objective 1.02

Develop fluency in addition, subtraction, multiplication, and division of rational numbers.

  • Analyze computational strategies.
  • Describe the effect of operations on size.
  • Estimate the results of computations.
  • Judge the reasonableness of solutions.

Resources aligned to this objective

Resources on the web

A Lunch-In Affair
Students apply previous learning to decision-making that involves purchasing and preparing at least a five-item menu. (Learn more)
Format: lesson plan (grade 6–8 Mathematics)
Provided by: National Council of Teachers of Mathematics
Fun with Baseball Stats
In this lesson, from Illuminations, students explore statistics surrounding baseball, and are exposed to connections between various mathematical concepts. (Learn more)
Format: lesson plan (grade 6–8 Mathematics)
Provided by: National Council of Teachers of Mathematics
Football finances
In this lesson, one of a multi-part unit from Illuminations, students analyze pictures of football stands to make estimates related to attendance at the Super Bowl, and then they make estimates about the television audience. (Learn more)
Format: lesson plan (grade 6–8 Mathematics)
Provided by: National Council of Teachers of Mathematics
Five's a Crowd
Students play a game in which they try to list five countries or states in order from most crowded to least crowded. Using area and population data from a website, they estimate quotients to make their list. (Learn more)
Format: lesson plan (grade 7 Mathematics)
Provided by: National Council of Teachers of Mathematics
Fair division
In this Science Update, from Science NetLinks, students hear about an interactive algorithm that can be used in the resolution of conflicts surrounding the division of rooms and rent among roommates. (Learn more)
Format: activity/lesson plan (grade 6–8 Mathematics and Science)
Provided by: American Association for the Advancement of Science
The factor game
In this Illuminations lesson, students play the Factor Game, which engages students in a friendly contest where strategies involve distinguishing between numbers with many factors and numbers with few factors. (Learn more)
Format: lesson plan (grade 3–8 Mathematics)
Provided by: National Council of Teachers of Mathematics
Classifying numbers
In this lesson, one of a multi-part unit from Illuminations, students use Venn diagrams to organize information about numbers. (Learn more)
Format: lesson plan (grade 6–8 Mathematics)
Provided by: National Council of Teachers of Mathematics
Airport Numbers
Students participate in activities in which they focus on the role of numbers and language in real-world situations. (Learn more)
Format: lesson plan (grade 6–8 Mathematics)
Provided by: National Council of Teachers of Mathematics