3.NF.A.2.a
Ms. Rose & Fractional Units
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Game Info for Teachers
COMBINED RATING
3.9 Stars
TEACHERS (18)
4.2
STUDENTS (3596)
3.7
LENGTH
14 Minutes
GRADES
3
4
5
CAPABILITIES
ES
Spanish Language Support
Text-to-Speech Support
Saves Progress
Description
Practice separating the Whole into Fractional Units on a Number Line with Ms. Rose!
Vocabulary Words
denominator
fraction
number line
numerator
unit fraction
whole number
interval
consecutive
Instructions
Play through this interactive game to learn about Fractions on a Number Line. Suitable for Grade 3, Grade 4, Grade 5.
Main Concepts
Denominator denotes the size of the parts when a Whole is split into equal parts, found under the fraction bar in a fraction.
Numerator denotes the number of parts of the whole that are indicated, found on top of the fraction bar in a fraction.
Starts with unit fractions or fractions with a numerator of 1, which are formed by partitioning a whole into equal parts and taking one part. e.g. If a whole is partitioned into 3 equal parts then each part is 1/3.
Unit fractions are to be understood to be the basic building block of all fractions.
On a number line a whole is the unit interval, or the interval from 0 – 1. The rest of the consecutive whole numbers on a line have the same interval length as the unit interval.
Constructing a unit fraction on a number line consists of partitioning the unit interval into b sections with equal measurement. Where b represents the denominator in 1/b and recognizing the end of the first unit fraction interval as 1/b. Each consecutive partitioned interval is also equal to 1/b.
Consecutive whole numbers counting from 0 can be partitioned into equal b intervals where b represents the denominator in 1/b. The intervals can partition the consecutive whole numbers on the number line.
Discussion Questions
Before the Game
What is a number line and what do we use it for? What is the unit fraction of any fraction?
After the Game
Does the unit fraction change if you simplify a fraction? Do equivalent fractions have the same unit fraction? How can we use a number line to represent fractions?
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Game Details
Difficulty
Content Integration
Lexile Level
705
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