1. Fractions with Pattern Blocks

2. You will need . . .

3. Investigation
How many green triangles does it take to cover each pattern block piece below?

4. Discovery
How many green triangles does it take to cover each pattern block piece below? 6 3 2

5. 1 ? ? Investigation If the yellow hexagon represents 1 whole.=
Place the red trapezoids on the hexagon to find the answer.
What does the red trapezoid represent? ? =
What does the blue rhombus represent?
Place the blue rhombi on the hexagon to find the answer. ? =

6. Discovery 1 = 1 2 1 3

7. Compare: <, >, = 1 2 1 3 ? 1 2 1 6 ? 1 6 1 3 ?

8. Findings: <, >, = 1 2 1 3
> 1 2 1 6
> 1 6 1 3
<

9. Investigation 1 2 ? 6 ? 6 1 = = ? 6 ? 6 1 3 1 6 1 3 + = =

10. Discovery 1 2 3 6 6 1 = = 3 6 2 6 1 3 1 6 1 3 + = =

11. Investigation ? 6 ? 6 1 3 1 6 1 2 1 3 = + = + ? 6 ? 6 1 2 1 6 1 3 1 3 = = + +

12. Discovery 5 6 3 6 1 3 1 6 1 2 1 3 = + = + 4 6 4 6 1 2 1 6 = 1 3 1 3 = + +

13. Investigation 1 1 3 = ? ? = =

14. Discovery 1 1 3 = 3 5 6 2 1 2 = =

15. Addition/Subtraction Practice
Try the following addition and subtraction problems with your pattern blocks.

16. Pattern Blocks Riddle 1: I have red and blue tiles.
½ the items are blue.
3 are red.
Find my tiles.

17. Pattern Blocks Fraction Puzzle 1:
Build a triangle that is 1/3 green and 2/3 red.

18. Pattern Blocks Fraction Puzzle 1:
Build a triangle that is 1/3 green and 2/3 red.
Are there other solutions?

19. Pattern Blocks Fraction Puzzle 2:
Build a parallelogram that is that is 3/4 blue and 1/4 green.

20. Pattern Blocks Fraction Puzzle 2:
Build a parallelogram that is that is 3/4 blue and 1/4 green.
Are there other solutions?