Acceleration to Algebra Unit 1.2

MONDAY 8/18 Lesson 11

Turn to Page 52 Look at Example 1. Can you create your own way to solve this problem? HINT: Minutes can become hours by putting it over 60 minutes!

Example 1: Izzy  2¼ miles = 9/4 15/60 hour = 1/4 When you divide 9/4 by 1/4 you get 9! Julia  3 3/4 miles = 15/4 25/60 hour = 5/12 When you divide 15/4 by 5/12 you get 9! ANSWER: Both girls are EQUAL. Their unit rate was 9 miles / hour.

PRACTICE Complete Exercises 1, 2, & 3

Turn to Page 54 We will complete #’s 4 & 5 together

HOMEWORK Pg. 54 # 1,2, & 3

Take out your home Pg. 54 # 1,2, & 3 And discuss your answers with your shoulder partner. If you got something wrong, figure out why. If you can’t, we will discuss it as a class.

TUESDAY 8/19 Lessons 12 & 13

Turn to Pg. 55 Change the following: 14 feet 8 inches  10 ft 6 in 5 feet 6 inches  4 ft 8 in $100  $50 Complete the problem using the changes. ANSWER: NO!! She is $2.50 short to purchase the tiles.

Turn to Pg. 58 Together we will do Example 1. FIRST find the constant rate (k). Remember: To find y we must multiply To find x we must divide

Turn to Pg. 59 We will do Example 2 together. We can use a tape diagram to help us: Order 1 – sausage = 1/4 Order 3 – pepperoni = 1/3

HOMEWORK Pg. 57 # 1 & 4 (create a table with flour as x and dinner rolls as y; use constants) Pg. 61 # 1

Wednesday 8/20 Lesson 14

Turn to Pg. 63 Together we will complete Ex. 1 & 2. Make sure to use tape diagrams to help explain your answers. Ex 1 A) = 30 B) = $22 Ex 2 = 21,

Turn to Pg. 64 Together we are going to do Ex. 3 & 4 Ex 3: $ = $3200 $3200 – $640 = $2560 Profit  $2560 – $2400 = $160 profit!

Try the following problems by yourself! 1)A bicycle shop advertised all mountain bikes priced at a 1/3 discount. a)What is the amount of the discount if the bicycle originally costs $327? b)What is the discount price of the bicycle? c)Explain how you found your solution to part B. 2)A hand-held digital music player was marked down by 1/4 of the original price. a)If the sales price is $128.00, what is the original price? b)If the item was marked up by 1/2 before it was placed on the sales floor, what was the price that the store paid for the digital player? c)What is the difference between the discount price and the price that the store paid for the digital player?

HOMEWORK Pg. 65 # 1-7

THURSDAY 8/21 Lesson 15

Turn to Pg. 67 Look at Example 1 With your shoulder partner, determine if you can find Sam’s mother’s average rate for the entire race based on her previous race times.

Turn to Pg Complete Example 2

Turn to Pg. 71 Complete #’s 2 & 3 When you are finished, come to the front of the class to check your answers. If you got them both correct, begin your TEST REVIEW/HOMEWORK: Pg 56 # 1 Pg 60 # 1 Pg 61 # 2 Pg 66 # 6 & 7 Pg 70 # 1 Pg 72 # 4

FRIDAY 8/22 TEST 1.2