Data 2: Sequences and Patterns Long-Term Memory Review Grade 8 Review 1
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1 Review 1 Word Bak: use these words to fill i the blaks for Questio 1. Words may be used oce, more tha oce, or ot at all. sequece series factor term equatio expressio 1. A() is a set of umbers or objects writte i a specific order, usually accordig to a mathematical rule or patter. Each oe of the separate umbers or objects is called a(). 2. Fill i the missig umber i the followig patter: 21, 24, 27, 30,, 36, 39, Draw the ext picture i the patter: 4. Match each verbal descriptio i the left colum with its mathematical expressio i the right colum. Fill i the blak with the correct expressio. a) The product of a umber ad 23: 23 + b) The sum of 23 ad a umber: 23 c) The quotiet of a umber ad 23: 23 d) The differece of 23 ad a umber: The table below shows the relatioship betwee the variables x ad y. Based o the table, which equatio describes the relatio? x y A. y = x + 4 B. y = 5x C. y = 2x + 3 D. y = 3x 1
2 , Data 2: Sequeces ad Patters Review 2 Word Bak: use these words to fill i the blaks for Questio 1. Words may be used oce, more tha oce, or ot at all. sequece series factor term equatio expressio 1. A collectio of quatities liked by sigs ad operatios is called a(). A statemet showig that two s are equal is called a(). 2. Fid the ext three terms i the followig sequece; 1, 4, 9, 16, 25,,, 3. Draw the missig figure i the patter:,,,,, 4. Which of the followig equatios is equivalet to the statemet, 2 less tha the product of a umber ad 8 is 20? A. 2 8 = 20 B. 8 2 = 20 C. 2 8 = 20 D. (8 2) = Write a verbal descriptio for the followig expressio: The carival came to tow. The cost of the carival is $10 for admissio plus $2 for every ride. Complete the table below showig the total cost of goig to the carival for a give umber of rides? Number of rides Total cost
3 Review 3 Word Bak: use these words to fill i the blaks for Questio 1. Words may be used oce, more tha oce, or ot at all. sequece series factor term equatio expressio 1 A collectio of quatities liked by sigs ad operatios is called a(). A statemet showig that two s are equal is called a(). A() is a set of umbers or objects writte i a specific order, usually accordig to a mathematical rule or patter. Each oe of the separate umbers or objects is called a(). 2. Fid the 7 th terms i the sequece; 4, 8, 16, 32, Write a rule to fid the umber of circles i the th term i the patter below: 4. Which of the followig expressios is equivalet to the statemet, ie times the quatity of x less tha 2? A. 9(x 2) B. 9(x) 2 C. 9(2 x) D. 9(2) x 5. Write a verbal descriptio for the followig expressio: 10 2 = 4 6. It cost 39 to mail a oe-ouce letter. Each additioal ouce cost 24. Complete the table below to show the cost of a letter weightig betwee oe ad five ouces. Which equatio describes the patter i the table? Weight (oz) Cost ( ) A. cost = 24 weight 39 C. cost = 24 weight 15 B. cost = 24 weight + 39 D. cost = 24 weight + 15
4 Day 4 Review 1. A collectio of quatities liked by sigs ad operatios is called a(). A statemet showig that two s are equal is called a(). A() is a set of umbers or objects writte i a specific order, usually accordig to a mathematical rule or patter. Each oe of the separate umbers or objects is called a(). 2. a) Fid the 6 th terms i the sequece; ,,,, b) Write a rule for the th term. 3. a) How may dots are i the teth term of the patter below? b) Write a rule to fid the umber of dots i the th term of the patter. 4. Which of the followig expressios is equivalet to the statemet, a umber is multiplied by 6 the 5 is added to the product? A B. 6( +5) C D (6) 5. Write a verbal descriptio for the followig equatio: 3(x 6) = The pressure P (i pouds per square foot) exerted o a scuba diver who is d feet below the surface of the water is show i the followig table a) What is the pressure 8 feet? d P b) Write a equatio to fid the pressure P at d feet.
5 Day 5 Quiz 1. A collectio of quatities liked by sigs ad operatios is called a(). A statemet showig that two s are equal is called a(). A() is a set of umbers or objects writte i a specific order, usually accordig to a mathematical rule or patter. Each oe of the separate umbers or objects is called a(). 2. Fid the 6 th terms i the sequece; ,,,,, a) Fid the 8 th term i the sequece: 1, 4, 7, 10,... b) Write a rule for the th term. 4. a) How may dots are i the teth term of the patter:? b) Write a rule to fid the umber of dots i the th term of the patter. 5. Which of the followig equatios is equivalet to the statemet, whe 3 is subtracted from twice a umber, the result is 15? A. 2 5 = 15 B. 2( 3) = 15 C. 2 3 = 15 D. 3 2 = Write a verbal descriptio for the followig expressio: The carival is back i tow. This time, admissio costs $5 ad each ride costs $2. Complete the table below showig the total cost of admissio ad rides? Which equatio relates the total cost C based o the umber of rides r? Number of rides r Total Cost C A. C = r + 6 B. C = 5r 1 C. C = 3r + 1 D. C = 2r + 5
6 Aswers DAY 1- Aswers 1. Sequece ; term a) 23 b) 23 + c) 5. C. y = 2x + 3 Day 2- Aswers 23 d) Expressio; expressio ; equatio 2. 36, 49, B. 8 2 = (Aswers may vary) the quotiet of a umber ad 8 icreased by 3 6. Number of rides Total cost $10 $12 $14 $16 $ Day 3- Aswers 1. Expressio; expressio; equatio; sequece; term ( 1) + 3 or C. 9(2 x) 5. (aswers may vary) Twice a umber,, less tha te is four 6. D. cost = 24 weight +15 Day 4- Aswers 1. Expressio; expressio; equatio; sequece; term Weight (oz) Cost ( ) a) a) 19 b) A (aswers may vary) Three times the quatity six less tha a umber x is ietee. 6. a) 17.9 lbs./ft 2 b) ( 1) or Day 5- Aswers 1. Expressio; expressio; equatio; sequece; term a) 22 b) a) 100 b) 2 5. C. 2 3 = (aswers may vary) six less the quotiet of a umber,, ad fiftee. 7. D. C = 2r + 15 Number of rides r Total Cost C
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