In the fraction 2/8, what does the number 8 (the denominator) tell you?

The denominator tells you how many equal pieces there are in total.

Adding And Subtracting Like Fractions Lesson Plan for Grade 3rd Grade

Name: Adding and Subtracting Like Fractions
Author: Insta~Lesson

I can add and subtract fractions with like denominators.

1
In a fraction like 1/8, the bottom number is called the denominator and tells us the total number of equal pieces. The top number is called the numerator and tells us how many pieces we have.
2
When fractions have the same bottom number, they have like denominators. To add these fractions, you just add the top numbers and keep the bottom number the same.
3
To subtract fractions with like denominators, you subtract the top numbers and keep the bottom number the same.