Math Jeopardy Grade 9 BEDMASAdditionSubtractionMultiplicationDivision 100 200 400 600 800.

Math Jeopardy Grade 9Math Jeopardy Grade 9

BEDMASBEDMAS AdditionAddition SubtractionSubtraction MultiplicatioMultiplicationn

DivisionDivision

100100 100100 100100 100100 100100

200200 200200 200200 200200 200200

400400 400400 400400 400400 400400

600600 600600 600600 600600 600600

800800 800800 800800 800800 800800

400 Points400 Points

Dylan and Mike C. went to the Dylan and Mike C. went to the movies with Emma and Nicole. If the movies with Emma and Nicole. If the tickets (with tax) cost twenty seven tickets (with tax) cost twenty seven dollars, how much did each person dollars, how much did each person pay to see the movie? (Assume each pay to see the movie? (Assume each paid the same price of admission)paid the same price of admission)

AnswerAnswer

$27 ÷ 4 people = $6.75$27 ÷ 4 people = $6.75

Each person paid $6.75 to go to the Each person paid $6.75 to go to the movies. If the guys were gentlemen, movies. If the guys were gentlemen, they would have paid for the girls they would have paid for the girls and thus would pay double, or and thus would pay double, or $13.50.$13.50.


Dylan R, Joel, and Jessie formed a Dylan R, Joel, and Jessie formed a band for the NRCS “Battle of the band for the NRCS “Battle of the Bands” competition. They were so Bands” competition. They were so good, they won the first place prize good, they won the first place prize of $200! However, they had to pay of $200! However, they had to pay Town’s End Strings and Things $50 Town’s End Strings and Things $50 for the rental of their amp. How for the rental of their amp. How much money did the boys each net much money did the boys each net from their contest winnings?from their contest winnings?


Amanda, Nicole, Kaitlyn, Mike F, Amanda, Nicole, Kaitlyn, Mike F, Craig, and Kaylee each paid for three Craig, and Kaylee each paid for three and one-half slices of pizza each at and one-half slices of pizza each at lunch today. What was the total lunch today. What was the total number of slices of pizza purchased number of slices of pizza purchased from Margaret’s cafeteria?from Margaret’s cafeteria?

AnswerAnswer6 people x 3 ½ slices of pizza each = 6 people x 3 ½ slices of pizza each = 21 slices of pizza21 slices of pizza

AnswerAnswer

(+200) + (-50) = (+150)(+200) + (-50) = (+150)

(+150) ÷ 3 band members = (+150) ÷ 3 band members = (+50)(+50)

Each band member took home Each band member took home $50.$50.


Colby arrived early to school one day Colby arrived early to school one day and found that the heating system was and found that the heating system was not working. The temperature of the not working. The temperature of the building was at -6building was at -6ooC. So he trudged C. So he trudged down to the boiler room, yelled down to the boiler room, yelled mightily, and low and behold the mightily, and low and behold the furnace flared to life. Within minutes furnace flared to life. Within minutes his classroom was a toasty 19his classroom was a toasty 19ooC. What C. What was the difference in temperature from was the difference in temperature from when he arrived, to when the furnace when he arrived, to when the furnace came to life?came to life?

AnswerAnswer

1919ooC – (-6C – (-6ooC) = 25C) = 25ooCC

Colby’s efforts increased the Colby’s efforts increased the temperature of the classroom by 25 temperature of the classroom by 25 degrees celsius.degrees celsius.


Kaylee invited her friends over for a Kaylee invited her friends over for a pizza party. Two 40cm diameter pizza party. Two 40cm diameter pizzas arrived from Needs pizzas arrived from Needs Convenience. They had been pre-cut Convenience. They had been pre-cut into 1/12 slices. How many slices of into 1/12 slices. How many slices of pizza did Kaylee have to share with pizza did Kaylee have to share with her friends?her friends?

AnswerAnswer

2 ÷ 1/12 = 2 ÷ 1/12 = how many groups of how many groups of 1/12 slices are found 1/12 slices are found

in in 2 pizzas?2 pizzas?

since there are 12 groups of 1/12 in since there are 12 groups of 1/12 in one pizza, there must be 24 groups of one pizza, there must be 24 groups of 1/12 in two pizzas. Kaylee has 1/12 in two pizzas. Kaylee has 24 24 slices of pizzaslices of pizza to share with her to share with her friends.friends.


Dexter brought three pounds of rock Dexter brought three pounds of rock candy to school one day, to share candy to school one day, to share with his friends. By the end of the with his friends. By the end of the day he had given out one and three-day he had given out one and three-quarters of a pound of candy. At the quarters of a pound of candy. At the end of the day, what was the end of the day, what was the remaining weight of candy in remaining weight of candy in Dexter’s school bag?Dexter’s school bag?

AnswerAnswer

Problem:Problem:

3 lbs of candy – 1 ¾ lbs of 3 lbs of candy – 1 ¾ lbs of candycandySolution:Solution:

3 – 1 3 – 1 = 2 lbs= 2 lbs2 – ¾2 – ¾ = 1 ¼ lbs= 1 ¼ lbs

Dexter is taking Dexter is taking 1 ¼1 ¼ pounds of candy pounds of candy home.home.


Dylan ate one-eighth of Jenna’s Dylan ate one-eighth of Jenna’s birthday cake. If Jenna’s other three birthday cake. If Jenna’s other three guests ate one-eighth of the cake guests ate one-eighth of the cake each, and Jenna ate another one-each, and Jenna ate another one-fourth of the cake, what was the total fourth of the cake, what was the total amount of cake eaten (as a fraction amount of cake eaten (as a fraction of the whole cake)?of the whole cake)?

AnswerAnswer

1/8 + (1/8 + 1/8 + 1/8) + 1/41/8 + (1/8 + 1/8 + 1/8) + 1/4 DylanDylan Other Guests Other Guests Jenna Jenna

1/8 + 3/8 + 2/81/8 + 3/8 + 2/8

= 6/8 = 6/8 oror 3/4 3/4

They ate a total of They ate a total of ¾¾ of Jenna’s birthday of Jenna’s birthday cake.cake.


Write a short convincing math story Write a short convincing math story problem that involves the following problem that involves the following symbolic equation:symbolic equation:

24 ÷ 6 = 424 ÷ 6 = 4

This problem is unlimited in time, This problem is unlimited in time, setting, and characters. You decide. setting, and characters. You decide.

Possible AnswerPossible Answer

Mr. Butt separated his grade nine Mr. Butt separated his grade nine math class into six groups for an math class into six groups for an activity. If he began class with activity. If he began class with twenty four students, how many twenty four students, how many students could he put into each students could he put into each group?group?



2 x 24 = 482 x 24 = 48



Mr. MacNeill decided to “talk” to both Mr. MacNeill decided to “talk” to both classes of grade 8 students regarding classes of grade 8 students regarding their math marks. If both classes their math marks. If both classes were equal in number, and one class were equal in number, and one class had 24 students. What would be the had 24 students. What would be the size of this group of students?size of this group of students?



32 – 3 – 2 = 1732 – 3 – 2 = 17



Thirty two hockey players tried out for Thirty two hockey players tried out for the South Shore Mustangs team. At the the South Shore Mustangs team. At the first practice the coaches cut three first practice the coaches cut three players from the team. During the players from the team. During the second practice they decided to second practice they decided to eliminate two more players. Finally they eliminate two more players. Finally they achieved their goal: three lines and two achieved their goal: three lines and two goalies or seventeen players.goalies or seventeen players.


Emily spent the day sorting her Emily spent the day sorting her earring collection. She found that earring collection. She found that she had ten pairs of studs, twelve she had ten pairs of studs, twelve pairs of hoop earrings, and 5 pairs of pairs of hoop earrings, and 5 pairs of funky exotic earrings. When she funky exotic earrings. When she finished counting, she found that she finished counting, she found that she had exactly ____ earrings.had exactly ____ earrings.

AnswerAnswer

10 x 2 studs 10 x 2 studs = = 20 studs20 studs(Five groups of two)(Five groups of two)

12 x 2 hoop 12 x 2 hoop = = 24 hoop24 hoop(twelve groups of two)(twelve groups of two)

5 x 2 exotic5 x 2 exotic = = 10 exotic10 exotic(ten groups of two)(ten groups of two)

She has She has 5454 earrings in total. earrings in total.


In Mr. Butt’s grade nine classes ½ of In Mr. Butt’s grade nine classes ½ of the twenty-four girls have blonde or the twenty-four girls have blonde or red hair. One-half of the remaining red hair. One-half of the remaining students, with brown or black hair, students, with brown or black hair, have brown eyes. What number of have brown eyes. What number of students in Mr. Butt’s grade nine students in Mr. Butt’s grade nine classes are brown/black haired girls, classes are brown/black haired girls, with brown eyes?with brown eyes?

AnswerAnswer

½ x 24 girls = 12 ½ x 24 girls = 12 (blonde/red head)(blonde/red head)

one half of a group of twenty four = twelveone half of a group of twenty four = twelve

The other half (12 girls) must have brown/black The other half (12 girls) must have brown/black hair.hair.

½ x 12 = 6 ½ x 12 = 6 (brown/black hair & brown eyes)(brown/black hair & brown eyes)

one half of a group of twelve = sixone half of a group of twelve = six

There are 6 girls in Mr. Butt’s grade 9 math class There are 6 girls in Mr. Butt’s grade 9 math class with brown/black hair and brown eyes.with brown/black hair and brown eyes.


Mr. Nicholson picked 425 stalks of Rhubarb Mr. Nicholson picked 425 stalks of Rhubarb out of his garden. He brought his produce out of his garden. He brought his produce to school to distribute evenly amongst those to school to distribute evenly amongst those persons wishing to acquire some of his persons wishing to acquire some of his bounty. Trent, Jamie, Josh, Mr. Butt, Mrs. bounty. Trent, Jamie, Josh, Mr. Butt, Mrs. Donat, Mrs. Willman, Mr. Mac, Ms. Curran, Donat, Mrs. Willman, Mr. Mac, Ms. Curran, William, and Jocelyn asked him very nicely. William, and Jocelyn asked him very nicely. If he agreed to give them each an equal If he agreed to give them each an equal portion of his harvest, how many stalks of portion of his harvest, how many stalks of Rhubarb did each of these people receive Rhubarb did each of these people receive from Mr. Nicholson?from Mr. Nicholson?

AnswerAnswer

425 divided into 10 groups would 425 divided into 10 groups would give you 42.5 stalks per group.give you 42.5 stalks per group.

42.5

42.5

42.5

42.5

42.5

42.5

42.5

42.5 42.542.5


Sam and Michael F. were walking through Sam and Michael F. were walking through Farmer Tim’s fields talking about “Canadian Farmer Tim’s fields talking about “Canadian Idol” when Sam exclaims “Wow, I see a four Idol” when Sam exclaims “Wow, I see a four leaf cover”. Michael is excited and, searching leaf cover”. Michael is excited and, searching about the grass, finds three more plants! about the grass, finds three more plants! Soon Sam is on hands and knees eagerly Soon Sam is on hands and knees eagerly searching for four leaf clovers and is searching for four leaf clovers and is successful in finding two more of these rare successful in finding two more of these rare mutations. What is the sum of petals on all mutations. What is the sum of petals on all four leaf clovers found by Sam and Mike on four leaf clovers found by Sam and Mike on this excellent day? this excellent day?


On one glorious spring day Evan and his On one glorious spring day Evan and his dog “Fifi” were out strolling in the park. dog “Fifi” were out strolling in the park. Behold there stood an ice cream vendor Behold there stood an ice cream vendor who sold Evan a triple fudge brownie who sold Evan a triple fudge brownie deluxe, for a mere 3 dollars and 15 cents. deluxe, for a mere 3 dollars and 15 cents. If Evan had forty dollars to begin with, If Evan had forty dollars to begin with, what is the difference between what what is the difference between what currency he had to begin his walk and the currency he had to begin his walk and the coinage he spent in procuring an ice coinage he spent in procuring an ice cream treat?cream treat?

AnswerAnswer

$40 – $3 = $37$40 – $3 = $37

$37 - $0.15 = $36.85$37 - $0.15 = $36.85

The difference between what he had The difference between what he had ($40) and what he spent ($3.15) is ($40) and what he spent ($3.15) is $36.85.$36.85.

AnswerAnswer

SamSam 4 leaves on one4 leaves on oneMichealMicheal 4 leaves on each of three4 leaves on each of threeSamSam 4 leaves on each of two4 leaves on each of two

4 + 4 + 4 + 4 + 4 + 4 = 24 4 + 4 + 4 + 4 + 4 + 4 = 24

There were 24 leaves all together.There were 24 leaves all together.


i)i) Which of the following terms is most Which of the following terms is most often found in “division” problems?often found in “division” problems?

SumSum QuotientQuotient ProductProduct DifferenceDifference

ii)ii) What is another common term or What is another common term or descriptor used to indicate division?descriptor used to indicate division?

AnswerAnswer

i)i) QuotientQuotient

ii)ii) Distribution, division of, doling out, Distribution, division of, doling out, splitting up, allotment, sharing, splitting up, allotment, sharing, grouping, sectioning, branching, grouping, sectioning, branching, border off, section off, partition, border off, section off, partition, seperating, how many of …seperating, how many of …


i)i) Which of the following terms is most Which of the following terms is most often found in addition problems?often found in addition problems?

SummationSummation SummerSummer SumSum ProductProduct

ii)ii) What is another common term or What is another common term or descriptor descriptor used to indicate addition?used to indicate addition?


i)i) Which of the following terms is most Which of the following terms is most often used in “subtraction” problems?often used in “subtraction” problems?

DifferenceDifference DesicationDesication QuotientQuotient SummationSummation

ii)ii) What is another common term or What is another common term or descriptor used to describe subtraction?descriptor used to describe subtraction?


i)i) Which of the following terms is most Which of the following terms is most often used in “multiplication” problems?often used in “multiplication” problems?

SumSum DifferenceDifference ProductProduct QuotientQuotient

ii)ii) What is another common term or What is another common term or descriptor used to indicate multiplication descriptor used to indicate multiplication within a problem?within a problem?

AnswerAnswer

i)i) ProductProduct

ii)ii) Increase, growth, groups of, x times Increase, growth, groups of, x times y, multiplyy, multiply

AnswerAnswer

i)i) DifferenceDifference

ii)ii) Taking away, elimination, Taking away, elimination, exclusion, deletion, amputation, exclusion, deletion, amputation, confiscation, deduction, ejectionconfiscation, deduction, ejection

AnswerAnswer

i)i) SumSum

ii)ii) Combining, Adding, Add, Combining, Adding, Add, Joining, Joining, Accumulation, Tallying, Accumulation, Tallying, Tally, Totting Tally, Totting Up, Totalling, Up, Totalling, CountingCounting


Kelsey and Emma were out cruising Kelsey and Emma were out cruising the mall when Emma decided she the mall when Emma decided she needed some batteries for her MP3 needed some batteries for her MP3 player. She purchased two packages player. She purchased two packages of batteries. Each cost $6.99 and of batteries. Each cost $6.99 and contain four “AA” batteries. Kelsey contain four “AA” batteries. Kelsey found an unused “AA” battery in her found an unused “AA” battery in her coat. How many batteries do they coat. How many batteries do they have in total?have in total?



2 x 4 + 12 x 4 + 1




10 + 2 + 1 = 1310 + 2 + 1 = 13



Mr. Nicholson began his beginner guitar Mr. Nicholson began his beginner guitar elective with ten (10) students. The very next elective with ten (10) students. The very next elective day another two (2) students joined elective day another two (2) students joined his elective rather than mountain bike in the his elective rather than mountain bike in the rain. On the last day for changes, one more rain. On the last day for changes, one more student, Aaron, decided he could use the extra student, Aaron, decided he could use the extra practice and also joined in. When Mr. practice and also joined in. When Mr. Nicholson took role call on the third elective Nicholson took role call on the third elective day, what were the number of students day, what were the number of students enrolled in his course?enrolled in his course?


Find the area of the following shape Find the area of the following shape using BEDMAS:using BEDMAS:

20 meters

16 meters

5 meters

3 m

4 meters

AnswerAnswer

Area =Area = ( (Length x width) + (½ base x height) + Length x width) + (½ base x height) + (side(side22))

rectanglerectangle triangle triangle squaresquare

= (16 m x 5 m) + (16 m x 3 m) ÷ 2 + (4 = (16 m x 5 m) + (16 m x 3 m) ÷ 2 + (4 m)m)22

= (90 m= (90 m22) + ) + (48 m(48 m22) ÷ 2) ÷ 2 + (16 m + (16 m22))

= (90 m= (90 m22) + ) + (24 m(24 m22)) + (16 m+ (16 m22) )

= 130 m= 130 m22


Jess and Joe worked out their end of Jess and Joe worked out their end of term test averages using the method term test averages using the method of calcuating mean average.of calcuating mean average.

Jess’s Test Results: 60, 70, 70, 80Jess’s Test Results: 60, 70, 70, 80

Joe’s Test Results: 65, 65, 70, 90Joe’s Test Results: 65, 65, 70, 90

Which student averaged higher on Which student averaged higher on their tests. Use BEDMAS to solve.their tests. Use BEDMAS to solve.

AnswerAnswer

Jess: (60 + 70 + 70 + 80) ÷ 4 = 70Jess: (60 + 70 + 70 + 80) ÷ 4 = 70

Joe: (65 + 65 + 70 + 80) ÷ 4 = 70Joe: (65 + 65 + 70 + 80) ÷ 4 = 70

Both students score the same result of Both students score the same result of a a

mean average of 70%mean average of 70%

100 points100 points

B.E.D.M.A.S. is an “acronym” B.E.D.M.A.S. is an “acronym” which is a word that typically which is a word that typically represents a title or sequence. represents a title or sequence. What does the acronym What does the acronym “BEDMAS” represent?“BEDMAS” represent?


Kaitlyn and Jenna went swimming. Kaitlyn and Jenna went swimming. Kaitlyn swam 2 laps while Jenna Kaitlyn swam 2 laps while Jenna swam three times as many laps as swam three times as many laps as Kaitlyn. How many laps did Kaitlyn Kaitlyn. How many laps did Kaitlyn and Jenna swim altogether?and Jenna swim altogether?

AnswerAnswer

Kaitlyn + JennaKaitlyn + Jenna

2 laps + (3 x 2 laps)2 laps + (3 x 2 laps)

2 laps + 6 laps2 laps + 6 laps 8 laps 8 laps

The total number of laps swam by The total number of laps swam by Kaitlyn and Jenna would be eight (8).Kaitlyn and Jenna would be eight (8).

AnswerAnswer

1.1. B racketsB rackets

2.2. E xponentsE xponents3.3. D ivisionD ivision (Whichever comes (Whichever comes

first,first,

M ultiplicationM ultiplication left to right.)left to right.)

4.4. A dditionA ddition (Whichever comes (Whichever comes first,first,

S ubtractionS ubtraction left to right.)left to right.)

Math Jeopardy Grade 9 BEDMASAdditionSubtractionMultiplicationDivision 100 200 400 600 800.

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Transcript of Math Jeopardy Grade 9 BEDMASAdditionSubtractionMultiplicationDivision 100 200 400 600 800.