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  2. Number Forms - Wikipedia

    en.wikipedia.org/wiki/Number_Forms

    Number Forms is a Unicode block containing Unicode compatibility characters that have specific meaning as numbers, but are constructed from other characters. They consist primarily of vulgar fractions and Roman numerals. In addition to the characters in the Number Forms block, three fractions (¼, ½, and ¾) were inherited from ISO-8859-1 ...

  3. Fraction - Wikipedia

    en.wikipedia.org/wiki/Fraction

    A simple fraction (also known as a common fraction or vulgar fraction, where vulgar is Latin for "common") is a rational number written as a / b or ⁠ ⁠, where a and b are both integers. [9] As with other fractions, the denominator ( b) cannot be zero. Examples include ⁠ 1 2 ⁠, − ⁠ 8 5 ⁠, ⁠ −8 5 ⁠, and ⁠ 85 ⁠.

  4. Unit fraction - Wikipedia

    en.wikipedia.org/wiki/Unit_fraction

    Slices of approximately 1/8 of a pizza. A unit fraction is a positive fraction with one as its numerator, 1/ n.It is the multiplicative inverse (reciprocal) of the denominator of the fraction, which must be a positive natural number.

  5. Learning About Fractions at Home: Evidence-Based Tips for ...

    ies.ed.gov/.../WWC2021_fraction-parent-tips.pdf

    2. You can calculate an equivalent fraction by multiplying both the numerator and denominator of a fraction by the same number. Alternatively, choose a number that both the numerator and denominator can be divided by and result in a whole number. This number is called a common factor for the numerator and denominator.

  6. Understanding magnitudes to understand fractions - ed

    files.eric.ed.gov/fulltext/EJ1106783.pdf

    takes appear when adding or subtracting fractions (e.g. 1 3 + 1 2 = 2 5), and also when comparing fractions (e.g. 1 7 > 1 3 ’ because 7 is larger than 3). Also, many primary school children always con-sider fractions as being entities smaller than one, many of them do not seem to understand equiv-alent fractions, and many have difficulties ...

  7. Five recommendations for teaching fractions at the start of ...

    ies.ed.gov/ncee/rel/Products/Region/midwest/Blog/...

    Operations with fractions result in solutions that are often counterintuitive to what students learned with whole numbers. For example, dividing 1/2 by 1/4 gives a solution of 2, a number that is larger than the two numbers you started with! Likewise, multiplying 1/2 by 1/4 produces 1/8, which is smaller than what you started with.

  8. Sharing Cookies: Developing Young Math Learners ...

    ies.ed.gov/ncee/edlabs/regions/west/relwestFiles/...

    Learning Goal: Use real-life sharing scenarios to practice fractions concepts. Grade: 2–4 (ages 7–9) Materials: Paper, pencil or pen, small objects like pennies. Step 1: Draw or use small objects to explain how many total cookies you have to share. Step 2: Draw a picture and explain how you would share all the cookies equally between 2 people.

  9. Egyptian fraction - Wikipedia

    en.wikipedia.org/wiki/Egyptian_fraction

    An Egyptian fraction is a finite sum of distinct unit fractions, such as That is, each fraction in the expression has a numerator equal to 1 and a denominator that is a positive integer, and all the denominators differ from each other. The value of an expression of this type is a positive rational number ; for instance the Egyptian fraction ...

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