Bellwork Wednesday 8/15/18 Collaborate with your group to find the perimeter and area of the compound figure.

Homework Answers

Homework Answers

Homework Answers

& dding ubtracting ractions

Just find the LCM otherwise known as the LCD like we did Monday. When adding and subtracting fractions, the first thing you do is look at the denominator. If the denominator is the same, you just add or subtract the numerator. If the denominators are different, you must get them alike before you can move on. How can you get them alike? Just find the LCM otherwise known as the LCD like we did Monday.

+ We need a common denominator to add these fractions. Let me walk you through one to refresh your memory. We need a common denominator to add these fractions. +

2 10 6 + 5 3 2 x 5 x 3 = 30 LCD/LCM = 30 Find the LCD/LCM of the two denominators. 2 10 6 + 5 3 2 x 5 x 3 = 30 LCD/LCM = 30

Do not add denominators Make equivalent fractions. Add the numerators 12 + 10 = 22 Do not add denominators + Simplify when possible 2 22 30 11 15

You Try ……. +

You Try ……. + Always convert improper fractions to mixed numbers for your final answer.

Watch your operation sign Watch your operation sign. Subtraction steps are the same as addition steps. Just subtract numerators instead of adding them. You Try ……. -

Let’s Practice Using Our Dominos 1st Session – Adding Fractions – Work until the timer goes off Draw 2 dominos You and your shoulder partner will both work the problem on your dry erase boards and then compare your work and answer. Help each other get it correct before putting the dominos back and drawing 2 more. 2nd Session – Subtracting Fractions – Work until the timer goes off Draw 2 dominos You and your shoulder partner will both work the problem on your dry erase boards and then compare your work and answer. Help each other get it correct before putting the dominos back and drawing 2 more.

Exit Ticket 1 9 17 27 1 A D 13 28 1 12 B E 1 1 19 20 5 21 C F 1

You may use a separate sheet of paper if you prefer. Homework Show all work neatly. You may use a separate sheet of paper if you prefer.