The document outlines standard objectives for adding and subtracting fractions at a third-grade level. It details the step-by-step process for both operations, starting with identifying fractions, performing calculations on numerators, and retaining the common denominator. Examples and practice problems are also provided for students to try.

1. Mathematics
FRACTIONS
Standard 3
Objectives
Adding & Subtracting

2. Adding Fractions
Step 1
Identify the fractions.
1/6 + 4/6
Step 2
Add the numerators of all fractions.
1 + 4 = 5

3. Adding Fractions
Step 3
Retain the common denominator of all
fractions.
(1+4)/6
Step 4
Write your answer.
(1+4)/6 =
5/6

4. Adding Fractions
Study the following example.

5. Adding Fractions
Study the following examples.

6. Adding Fractions
Study the following examples.

7. Try These

8. Subtracting Fractions
Step 1
Identify the fractions.
8/10 – 3/10
Step 2
Subtract the smaller numerator from
the bigger numerator.
8 – 3 = 5

9. Subtracting Fractions
Step 3
Retain the common denominator of all
fractions.
(8 – 3)/10
Step 4
Write your answer.
5/10
= (5 ÷ 5)/(10 ÷ 5)
= 1/2

10. Subtracting Fractions

11. Try These