Math. Integrated. Trimester 3 Revision Grade 7. Zayed Al Thani School. ministry of education.

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1 ministry of education Department of Education and Knowledge Zayed Al Thani School Integrated Math Grade Trimester 3 Revision الوزارة كتاب عن تغني ال المراجعة هذه 0

2 Ministry of Education Department of Education and Knowledge Revision for Trimester 3 (Grade 7) 2017/ 2018 Mathematics Grade 7 Q1) Find the circumference. Round the answer to the nearest tenth? a ) 314 cm b ) 3.14 cm c ) 31.4 cm d ) 62.8 cm 5cm Q2) Find the distance around semicircle. Round the answer to the nearest tenth? a ) 51.4 cm b ) 5.14 cm c ) 514 cm d ) cm 20cm.. Q3) Find The Area of a circle if the diameter = 14 m. Use 22/7 for π? a ) 25.5 cm2 b ) 43.9 cm2 c ) 616 cm2 d ) 154 cm2.. Q4) Find the area of this figure? Round the answer to the nearest whole number. a ) 237 cm2 b ) 180 cm2 c ) 320 cm2 d ) 283 cm2 1 14cm

3 Q5) Find the area of the composite figure? Round the answer to the nearest tenth. a ) 30 m 2 b ) 24 m 2 c ) 16 m 2 d ) 20 m 2 Q6) Find the area of the composite figure? a ) 42 m 2 b ) 21 m 2 c ) 18 m 2 d ) 35 m 2 Q7) Find the area of the composite figure? a ) 58 m 2 b ) 288 m 2 c ) 144 m 2 d ) 184 m 2 Q8) Find the volume of the prism? a ) 25.5 m 3 b ) 18 m 3 c ) 36 m 3 d ) 11.5 m 3... Q9) Find the volume of the Triangular prism? a ) 26 m 3 d ) 28 m 3 2

4 Q10) ) Find the height of this rectangular prism if the volume = 350 m 2 a ) 6 m b ) 6 m c ) 7 m d ) 12 m Q11) ) Find the volume of pyramid? a ) 96 m 3 b ) 32 m 3 c ) 192 m 3 d ) 64 m 3 Q12) ) Find the volume of pyramid? a ) 96 m 3 b ) 20 m 3 c ) 192 m 3 d ) 280 m 3 Q13) Find the volume of triangular pyramid? a ) 40 m 3 b ) 36 m 3 c ) 92 m 3 =10 m d ) 85 m 3 3

5 Q14) Find the surface area of prism? a ) 108 m 2 b ) 128 m 2 c ) 72 m 2 d ) 280 m 2 Q15) Find the surface area of prism? a ) 208 m 2 b ) 168 m 2 c ) 172 m 2 d ) 120 m 2 Q16) Find the surface area of pyramid? a ) 3105 m 2 b ) 150 m 2 c ) 170 m 2 d ) 125 m 2 Q17) Find the surface area of pyramid? a ) 185 m 2 b ) 150 m 2 c ) 133 m 2 d ) 128 m 2 4

6 Q18) Find the volume of composite figure? a ) 64 mm 3 b ) 80 mm 3 c ) 94 mm 3 d ) 32 mm 3 Q19) Find the surface area of composite figure? a ) 560 m 2 b ) 380 m 2 c ) 444 m 2 d ) 325 m 2 Q20) Find the surface area of composite figure? a ) 660 mm 2 b ) 380 mm 2 c ) 742 mm 2 d ) 765 mm 2 Q21) Find the volume of prism? a ) 664 m 3 b ) 280 m 3 c ) 394 m 3 d ) 360 m 3 5

7 Q22) A number cube is marked with 1, 2, 3, 4, 5, and 6 on its faces. If you roll the cube one time, what is a) P(2) =. b) P (odd number) =.... c) P (not 4) =. d) P (more than 6) =. e) P (less than 3) =. Q23) The spinner shown is spun once. Find each probability. Write each answer as a fraction, a decimal, and a percent. a) P(C) =..... b) P(G)=... c) P(M or P) =.. d) P(vowel)=. e) p(not M) =.. Q24) 10 cards are marked from 1 to 10. A card is picked without looking. Find each probability a) P(9) =.... b) P(greater than 5) = c) P(less than 3) =.. e) P(4, 7, or 8) =. f) P(multiple of 3) = Q25) A package of balloons contains 5 green, 3 yellow, 4 red, and 8 pink balloons. If you choose one balloon at random. Find the probability of each event a) P(red balloon)=.. b) P(yellow balloon)=.... c) P(red or yellow balloon) = d) P(not green balloon) =.. Q26) Suppose that you are given this information about pulling a marble out of a bag contains 24 marbles in 3 colors Red, Green and Blue if P(Red) = 0.25 How many Red marbles in the bag?... 6

8 Q27) A number cube is rolled 50 times and the results are shown in the graph below. a) Find the experimental probability of rolling a 3.?... b) What is the theoretical probability of rolling a 3?... c) Find the experimental probability of not rolling a d) What is the theoretical probability of not rolling a 6?... Q28) The results of experiment for the spinner at the right shown in the table. a) What is the experimental probability of landing on A?... b) What is the theoretical probability of landing on A?... c) What is the experimental probability of landing on C or B?... d) What is the theoretical probability of landing on C or B? Q29) A coin is tossed 50 times, and it lands on heads 26 times. a) Find the experimental probability of the coin landing on heads... b) Find the theoretical of the coin landing on heads... c) Find the experimental probability of the coin landing on Tail... d) Find the theoretical of the coin landing on Tail... Head 26 Tail Q30) The spinner at the right is spun and a coin tossed. a) Draw a tree diagram to find the sample spaces? b) find probability of getting (A and head)?.. c) find probability of getting (constant and head)? 7

9 Q31) Draw a tree diagram for tossing 3 coins? then find a) sample space =... b) P(exactly 2 heads) =.. c) P( 2 heads at least ) =.. d) P( 3 tails) =.. Q32) Draw a tree diagram for a Coin tossed and a spun the spinner? then find a) sample space = b) P(H and odd B)=.... c) P( T and constant)=... Q33) make a table for spun a spinner and a roll a Dice. then find a) sample space = a) P(5 and B)= a) P(odd number and A)=.. Q34) Use the Fundamental Counting Principle to find the total number of sample space for each situation. a) Spinning a spinner with 4 equal sections and a dice.. b) Tossing a dirham coin, rolling a number cube. c) Rolling red dices and blue dice. d) Choosing two students from class contains 12 students.. 8

10 Q35) How many ways can you make 3-digit numbers from 1,2,3,4,5, if? a) Whiteout repeating =. b ) Repeating is allow =, Q36) Find the number of possible choices to open digital looker from 4 digits? The number of possible choices =, Q37) Find each value. a) P(7, 3)... b) P(5, 5)... c) P(9, 2)... d) P(10, 3)... Q38) The spinners at the right are spun. And a dice is rolled Find each probability. a) P(4 and C) =... b) P(even number and B) =.. b) P(multiple of 3 and A) =.... Q39) A card is drawn from 10 cards numbered 1 to 10 and a number cube is rolled. Find each probability. a) P(10 and 3) = b) P(5 and even numbers) =..... c) P(two prime numbers)=..... d) P(9 and and odd number)=.... 9

11 Q40) Which is the best way to simulate answer a 10-question true-or false test? a) roll a die b) spin a spinner with 4 sections c) flip a coin d) spin a spinner with 10 sections Q41) Which is the best way to simulate choosing one student out of 12 to be the class president? a) flipping a coin b) roll a die and flip a coin c) rolling a die d) spin a spinner with 4 sections Q42) Which is the best way to simulate choosing one student out of 36 students to be in the spelling bee? a) flipping a coin b) roll a die and flip a coin c) rolling a die d) roll a red die and a black die Q43) The price for gasoline rose from AED 2.85 to AED 3.24 in one day. Find the percent increase a) 12 % b) 39 % c) 21.4 % d) 13.7 % Q44) A school survey produced the following results. If about 360 students were surveyed, about how many students have 4 or more pets at home? a) 90 Students b) 72 Students c) 65 Students d) 47 Students

12 Q45) Use the table to predict the number of students out of 528 that would wash dishes a) 75 Students b) 72 Students c) 110 Students d) 45 Students... Q46) The results of a survey asking teens their favorite type of book to read is shown, predict how many Out of 250 teens would choose mystery Total 24 students a) 63 b) 170 c) 97 d) 93 Q47) ) The table shows the results of a survey about school transportation. What is the probability that a student at the school rode a bike to school? a) 1 6 c) 1 3 b) 5 6 d) 2 3 Q48) To determine what students, want served in the cafeteria, the cook asks students in Ms. Ali s first period class. Describe the sample used by the cook. a) The sample is unbiased because it is a convenience sample. b) The sample is biased because it is a convenience sample c) The sample is biased because it is a voluntary response sample d) The sample is unbiased because it is voluntary response sample 11

13 Q49) A magazine asks its readers to complete and return a questionnaire about popular television actors. The majority of those who replied liked one actor the most, so the magazine decides to write more articles about that actor a) The sample is unbiased because it is a convenience sample. b) The sample is biased because it is a convenience sample c) The sample is biased because it is a voluntary response sample d) The sample is unbiased because it is voluntary response sample Q50) A teacher make survey about the favorite football team he chose every 20th student from an alphabetical list of all students attending a school a) The sample is unbiased because it is a Simple Random Sample. b) The sample is biased because it is a convenience sample c) The sample is biased because it is a voluntary response sample d) The sample is unbiased because it is Systematic Random Sample Q51) Find the mean, median, mode, and range of the data set: 4,17,17, 4, 27, 29,20, 24, 34, 4 a) range =... b) mean(average) =... c) median =... d) mode =... Q52) The graph at the right shows the results of a survey to determine students favorite pets. Why is the graph misleading? 12

14 Q53) The graph shows the height of a plant after 9 weeks of growth. Why is the graph misleading? Q54) The graph shows the numbers of devices owned By grade 7 class. Why is the graph misleading? Q55) From the box-and-whisker plot complete: * a) The Minimum value is. b) The Maximum value is c) The Median is... d) The first Quartile is f) The Third Quartile value is... g) The range is. h) The Interquartile Range is Q56) From the Dot plot complete: a) The Minimum value is. b) The Maximum value is c) The Median is... d) The first Quartile is f) The Third Quartile value is... g) i) The range is. h) The Interquartile Range is 13

15 Q57) The double box plot shows the heights in inches for the players on two professional basketball teams. Compare their centers and variations. Write an inference you can draw about the two populations Q58) The double dot plot shows the cost of backpacks at two different stores. Compare the centers and variations of the two populations. Write an inference you can draw about the two populations. Q59) Which line graph is misleading? Explain. 14

16 Q 60) Match the type of Display data with the Best Used to Type of Display Best Used to Bar Graph show measures of variation for a set of data Box Plot show the number of items in specific categories Circle Graph compare parts of the data to the whole Histogram show change over a period of time Line Graph show frequency of data divided into equal intervals Double Bar Graph show frequency of data with a number line Line Plot compares two sets of categorical data Q61) Which box-and-whisker plot represents the data set 18, 22, 31, 25, 30, 19, 26, 24, and 35? Q62) Select an appropriate display for the percent of students in each grade at a middle school Justify your reasoning. a) Histogram b) Bar Graph c) Circle Graph d) Line Graph 15

17 Q63) Select an appropriate display for the cost of automobile insurance over the past 12 years Justify your reasoning. a) Histogram b) Bar Graph c) Circle Graph d) Box Plot Q64) Select an appropriate display to show the median age of members in a community band. Justify your reasoning. a) Histogram b) Bar Graph c) Circle Graph d) Box Plot Q65) Select an appropriate display to show points scored by members of a basketball team as compared to the team total. Justify your reasoning. a) Histogram b) Bar Graph c) Circle Graph d) Box Plot Q66) Select an appropriate display for the data. Justify your reasoning. Then construct the display. What can you conclude from your display?. 16

18 Department of Education and Knowledge Zayed Althani School Area, volume and surface Area for common figures 17