homework 8 - wordpress.com€¦ · 07/04/2018  · homework 8.1a name_____ #116 period ___ give the...

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1 Homework 8.1A Name_____________________ #116 Period ___ Give the next term and the rule for the following sequences. *6.) 4, 7, 10, 13, 16.... Next Term________, Rule: *7.) 3, 12, 48, ... Next Term________, Rule: Use the first term or stage and the rule given to create a sequence. Tell whether your sequence is the only one possible. If it is not, give another sequence that fits the rule. Show 3 terms in your sequence. *1.) First Term: 40 Rule: Divide the preceding term by 2. *2.) First Term: 90 Rule: The next term is 5 units from the previous. 3.) First Term: 24 Rule: Add 3 to the previous term. 4.) Sergio is making a dessert that requires three eggs for each cup of flour. *4a.) How many eggs does he need for 3 cups of flour? *4b.) For a party, Sergio made a large batch (size) of his dessert using a dozen eggs. How much flour did he use? 5.) Kendra uses this rule to figure out how much to charge for babysitting. Charge $5 per hour for one child, plus $2 per hour for each additional child. *5a.) Last Saturday, Kendra watched the Newsome twins for 3 hours. How much money did she earn? Show your work! *5b.) Mr. Foster hires Kendra to watch his three children for 2 hours. How much will she charge? Show your work! *5c.) Does Kendra earn more for watching two children for 3 hours or three children for 2 hours? I can use an equation and solve for variables. 7.2.4.1 I can substitute a number in for a variable and solve the expression. 7.2.3.2 over

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Page 1: Homework 8 - WordPress.com€¦ · 07/04/2018  · Homework 8.1A Name_____ #116 Period ___ Give the next term and the rule for the following sequences. *6.) 4, 7, 10, 13, 16.... Next

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Homework 8.1A  Name_____________________#1­16 Period ___

Give the next term and the rule for the following sequences.

*6.)  4, 7, 10, 13, 16.... Next Term________, Rule:

*7.)  3, 12, 48, ... Next Term________, Rule:

Use the first term or stage and the rule given to create a sequence.  Tell whether your sequence is the only one possible.  If it is not, give another sequence that fits the rule.  Show 3 terms in your sequence.

*1.)  First Term:  40 Rule:  Divide the preceding term by 2.

*2.)  First Term:  90 Rule:  The next term is 5 units from the previous.

 3.)  First Term:  24 Rule:  Add 3 to the previous term.

 4.)  Sergio is making a dessert that requires three eggs for each cup of flour.

*4a.)  How many eggs does he need for 3 cups of flour?

*4b.)  For a party, Sergio made a large batch (size) of his dessert using a dozen eggs.  How much flour did he use?

5.)  Kendra uses this rule to figure out how much to charge for babysitting.

Charge $5 per hour for one child, plus $2 per hour for each additional child.

*5a.)  Last Saturday, Kendra watched the Newsometwins for 3 hours.  How much money did she earn?  Show your work!

*5b.)  Mr. Foster hires Kendra to watch his three children for 2 hours.  How much will she charge?Show your work!

*5c.)  Does Kendra earn more for watching two children for 3 hours or three children for 2 hours?

I can use an equation and solve for variables.  7.2.4.1I can substitute a number in for a variable and solve the expression.  7.2.3.2

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Page 2: Homework 8 - WordPress.com€¦ · 07/04/2018  · Homework 8.1A Name_____ #116 Period ___ Give the next term and the rule for the following sequences. *6.) 4, 7, 10, 13, 16.... Next

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You can convert speeds from kilometers per hour to miles per hour by using this official rule.

Multiply the number of kilometers per hour by 0.62.*8a.)  Convert each kilometers­per­hour valuein the table below to a miles­per­hour value.Show your work for finding 50 km/hr here.

As part of his job, Mr. Lopez does a lot of driving in Canada.  He uses the followingrule to approximate the speed in miles perhour from a given speed in kilometers per hour.

Divide the number of kilometers per hour by 2 and add 10.*8b.) Use Mr. Lopez's rule to convert each kilometers­per­hour value in the table to an approximate miles­per­hour value. Show your work for finding 50 km/hr here.

8c.)  When do the official rule and Mr. Lopez' rule give the closest answers?

*8d.)  When does Mr. Lopez's rule give a value that is too high?

Chapter 3Evaluate­Show your work!  No Calculators*11.)  (­3)(6) ­ 10  = _______ *12.)  42 ÷ 2(3)  = _______  13.)  6(­4) + 4

   ­5

*14.)     15.)  16.)   3  5 4 12

3  5 4 12

3  5 4 12­

 = _______

 = _______  = _______  = _______

ReviewChapter 2       I = prt*9.)  Find the simple interest on a loan of $600 for 8 years with a interest rate of 9%.

10.)  Find how long it would take for a original investment of $750 to earn $495 in simple interest at a rate of 5.5%. (backtrack)

https://www.youtube.com/watch?v=YgHV9_3iqdM

÷

https://sites.google.com/a/bhmschools.org/bcms­7th­grade­math/home

http://www.math.com/school/subject2/lessons/S2U2L3GL.html

http://www.ixl.com/math/grade­6/evaluate­variable­expressions­with­whole­numbers