1. Adding &Subtracting

2. Adding & Subtracting Fractions
There will be a slide with a fraction problem
Students will hold up their whiteboards with their answers
The next slide will contain the answer and steps to work it
This is a formative assessment to see how much we know

3. ½ + 2/3

4. Step 1: 1*3 / 2*3 + 2*2 / 3*2
Step 2: 3 / / 6
Step 3: / 6
Answer: 7/6

5. 3/5 +3/8

6. Step 1: 3*8 / 5*8 + 3*5 / 8*5
Step 2: 24 / / 40
Step 3: / 40
Answer: 39/ 40

7. ½ + 8/11

8. Step 1: 1 * 11 / 2 * * 2 / 11 * 2
Step 2: 11 / / 22
Step 3: / 22
Answer: 27 / 22

9. 8/12 – 1/5

10. Step 1: 8 * 5 / 12 * 5 – 1 * 12 / 5 * 12
Step 2: 40 / 60 – 12 / 60
Step 3: 40 – 12 / 60
Step 4: 28 / 60
Answer: 7 / 25

11. 2/8 – 1/6

12. Step 1: 2 * 3 / 8 * 3 – 1 * 4 / 6 * 4
Step 2: 6 / 24 – 4 / 24
Step 3: 6 – 4 / 24
Step 4: 2 / 24
Answer: 1/12

13. 7/11 – 1/3

14. Step 1: 7 * 3 / 11 * 3 – 1 * 11 / 3 * 11
Step 2: 21 / 33 – 11 / 33
Step 3: 21 – 11 / 33
Answer: 10 / 33

15. How do you think you did?