LEARN NC

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

Mathematics — Grade 5

Goal 1, Objective 1.02

Goal 1

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

Objective 1.02

Develop fluency in adding and subtracting non-negative rational numbers (halves, fourths, eighths; thirds, sixths, twelfths; fifths, tenths, hundredths, thousandths; mixed numbers).

  • Develop and analyze strategies for adding and subtracting numbers.
  • Estimate sums and differences.
  • Judge the reasonableness of solutions.

Resources aligned to this objective

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Resources on the web

Exploring the value of the whole
In this lesson, one of a multi-part unit from Illuminations, students consider the size or value of the same fraction when different “wholes” are compared. This lesson promotes problem-solving and reasoning as the students compare similar fractions. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
Expanding our pattern block fraction repertoire
In this lesson, one of a multi-part unit from Illuminations, students expand the number of fractions they can represent with pattern blocks by increasing the whole. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
Eggsactly with eighteen eggs
In this lesson, one of a multi-part unit from Illuminations, students continue to examine fractions as part of a set. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
Communicating about mathematics using games
This e-example from Illuminations contains an interactive version of a game that can be used in the grades 3-5 classroom to support students' learning about fractions. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
Class attributes
In this lesson, one of a multi-part unit from Illuminations, students create their own classroom survey or use the reproducible classroom Survey handout to study the class and describe the set (class) in fractional parts. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics
A brownie bake
This lesson, one of a multi-part unit from Illuminations, focuses on student organization, preparation, and presentation of some simple foods as a way to apply various mathematical concepts, with problem-solving techniques being a central theme. (Learn more)
Format: lesson plan (grade 3–5 Mathematics)
Provided by: National Council of Teachers of Mathematics

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