1. Math 801A: Mathematical Operations – Modelling Fractions
Mathematics Essentials
March 2nd, 2017

2. Lesson Introduction Today I will...
demonstrate an understanding of simple fractional parts
identify and describe fractions concretely, pictorially, and symbolically
rename fractions
compare and order fractions

3. Denominator
The denominator tells us the total number of equal parts in the whole object. 1 2
2 equal parts

4. What is the denominator?
How many equal parts are in this shape? 1 ?

5. Find the denominators 1 ? 1 ? 1 ? 1 ?

6. Draw these fractions 1 6 1 4 1 3 1 10

7. Numerator
The numerator tells us how many parts of the whole are being considered. 1 2
1 green part

8. What is the numerator?
How many parts are coloured green? ? 4

9. Find the numerators ? 8 ? 8 ? 4 ? 3

10. Draw these fractions 2 6 3 4 1 3 9 10

11. Find the fraction of these shapes

12. Equivalent Fractions / Reducing
Equivalent fractions have the same value, even though they look different. Why? When you multiply/divide the numerator AND denominator by the same number, the fraction keeps its value.

13. In-class Activities / Practice
Modelling Fractions & Fair Shares
Paper Pizza – pg 22, #4-6
Paper Rule - pg 23+24, #8-14
Modelling Fractions with Counters
pg 25+26, #’s 1,2,4,5
Modelling Fractions with Cube-a-Links
pg 30-32, #1-3

14. Homework!
None!
Enjoy your weekends!! 