Understanding By Design
Unit Design
For
Working with Fractions
3rd Grade
Developed by
Troy E. Bartlett
Pontiac Academy for Excellence
[pic]
Understanding by Design
Unit Design Worksheet
|Unit Title: Working with Fractions | |Subject/Course: Math |
|Topic: Name, Compare and Order Fractions |Grade(s): 3rd |Staff Name: Troy E. Bartlett |
|Stage 1 - Desired Results |
|Established Goals (GLCE’s and *Common Core Standards): |
| |
|N.ME.03.16 (3. NF.1) Understand that fractions may represent a portion of a whole unit that has been partitioned into parts of equal area or length; use the terms,|
|“numerator” and “denominator.” |
| |
|*3. NF.1 Understand a fraction 1/b as the quantity formed by 1 part when a whole is partitioned into b equal parts; understand a fraction a/b as the quantity |
|formed by a parts of size 1/b. |
| |
|N.ME.03.17 (3. NF.2) Recognize, name, and use equivalent fractions with denominators 2, 3, and 8, using strips as area models. |
| |
|*3. NF.2 Understand a fraction as a number on the number line; represent fractions on a number line diagram. |
|a. Represent a fraction 1/b on a number line diagram by defining the interval from 0 to 1 as the whole and partitioning it into b equal parts. Recognize that each|
|part has size 1/b and that the endpoint of the part based at 0 locates the number 1/b on the number line. |
|b. Represent a fraction a/b on a number line diagram by marking off a lengths 1/b from 0. Recognize that the resulting interval has size a/b and that its endpoint|
|locates the number a/b on the number line. 3. NF.3 Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size. |
| |
|N.ME.03.18 (3. NF.3) Place fractions with denominators of 2, 4, and 8 on the number line; relate the number line to a ruler; compare and order up to three |
|fractions with denominators 2, 4, and 8. |
| |
|*3. NF.3 Explain equivalence of fractions in special cases, and compare fractions by reasoning about their size. |
|a. Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line. |
|b. Recognize and generate simple equivalent fractions (e.g., 1/2 = 2/4, 4/6 = 2/3), Explain why the fractions are equivalent, e.g., by using a visual fraction |
|model. |
|c. Express whole numbers as fractions, and recognize fractions that are equivalent to whole numbers. Examples: Express 3 in the form 3 = 3/1; recognize that 6/1 =|
|6; locate 4/4 and 1 at the same point of a number line diagram. |
|d. Compare two fractions with the same numerator or the same denominator, by reasoning about their size, Recognize that valid comparisons rely on the two |
|fractions referring to the same whole. Record the results of comparisons with the symbols >, =, or ................
................
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