Welcome back ~Mrs. Sampson~ Please return to your seats from yesterday. You need everything for periods 1-4, INCLUDING YOUR LUNCH. Please take out any forms and review agenda on side board.

Today’s Agenda boys are there? Sept. 8, 14 ACTIVATOR: Homework is out on the corner of your desk, copy down tonight’s homework. 2. Binder people, please pass out binders. 3. Activator: Take out your math packet and notebook. In your notebook put today’s date in the corner, and Activator on the first line. Copy and Answer: For every 3 girls, there are 4 boys. There are 21 children in the class. How many boys are there? HINT: Make a table!!

September 8, 2014 [Day B] SWBAT: use tape diagrams to solve problems when the part-to part ratio is given and the value of one of quantities is given.

September 8, 2014 [Day B] Read and study the description of the data in the chart. Answer the exploratory challenge problems Are the ratios 2:5 and 5:2 the same? Why or why not? Without looking back at the description, what is the chart about? Based on the survey, should the company order more pink fabric or more orange fabric? What is the ratio of the number of bolts of pink fabric to number of bolts of orange fabric you think the company should order? Someone said 5 to 3 and my friend said 3 to 5. Are those the same? Is a ratio of 3 to 5 the same as a ratio of 5 to 3? Remember, the ordering of the words in the description of the ratio relationship is what determines the order of the numbers in the ratio.

September 8, 2014 [Day B] Equivalent ratio Write a one-sentence story problem about a ratio. Equivalent ratio Ratios that have the same value Ex. 4:7 is equivalent to 12:21 Without looking back at the description, what is the chart about? Based on the survey, should the company order more pink fabric or more orange fabric? What is the ratio of the number of bolts of pink fabric to number of bolts of orange fabric you think the company should order? Someone said 5 to 3 and my friend said 3 to 5. Are those the same? Is a ratio of 3 to 5 the same as a ratio of 5 to 3? Remember, the ordering of the words in the description of the ratio relationship is what determines the order of the numbers in the ratio.

Exercise 2 (15 min.): Lets represent this ratio in a table. September 8, 2014 [Day B] Exercise 2 (15 min.): Lets represent this ratio in a table. The length of Shanni’s Ribbon (in inches) The length of Mel’s Ribbon (in inches) 7 3 14 6 21 9 We use a tape diagram to represent the ratio of the lengths of ribbon. Let’s create one. 

Tape Diagram (Bar Model) September 8, 2014 [Day B] Tape Diagram (Bar Model)

September 8, 2014 [Day B] Equivalent Ratio!

September 8, 2014 [Day B] Exercise 3: (a) Mason and Laney ran laps to train for the long-distance running team. The ratio of the number of laps Mason ran to the number of laps Laney ran was 2 to 3.

September 8, 2014 [Day B] Exercise 3 : (b) If Laney ran 930 meters, how far did Mason run? Draw a tape diagram to determine how you found the answer.

4:6 and 620:930 September 8, 2014 [Day B] Exercise 3 : (c) What ratios can we say are equivalent to 2:3? 4:6 and 620:930

September 8, 2014 [Day B] Exercise 4 : Josie took a long multiple-choice, end-of-year vocabulary test. The ratio of the number of problems Josie got incorrect to the number of problems she got correct is 2:9. (a) If Josie missed 8 questions, how many did she get correct? Draw a tape diagram to demonstrate how you found the answer.

September 8, 2014 [Day B] Exercise 4 : Multiplied 5 ×2 and 5 ×9 (b) If Josie missed 20 questions, how many did she get correct? Draw a tape diagram to demonstrate how you found the answer. (c) How did you find the numbers? Multiplied 5 ×2 and 5 ×9

September 8, 2014 [Day B] EXIT TICKET: write the Answers in your TTG page Pam and her brother both open savings account. Each began with $0. For every $2 that Pam saves in her account, her brother saves $5 in his account. If Pam has $40 in her account, how much money does her brother have in his account? Use a tape diagram to support your answer. HOMEWORK: Lesson 3: Ratios Problem Set #1-4 (page S.11)

In your agenda please copy tonight’s homework and leave out for me to stamp Math: Million Words due 9/19 Class expectations due 9/10 need notebook and binder Lesson 3: Ratios Problem Set #1-4 (page S.11) Science: What’s next worksheet Social Studies: None English: go to website and watch summarizing video