Just Do It
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Just Do It

(mentally). Math 367 – Math Teaching Methods. Day 1. Day 2. J.R.Olsen ~ W.I.U.. Day 3. Day 4. Day 5. Day 6. Day 7. Day 8. Day 9. Day 10. Day 11. Day 12. Day 13. Day 14. Day 15. Day 16. Day 17. Focusing on Fractions, Decimals, and Percents.

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Just Do It




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Presentation on theme: "Just Do It"— Presentation transcript:

Slide1

Just Do It (mentally)

Math 367 – Math Teaching Methods

Day 1

Day 2

J.R.Olsen ~ W.I.U.

Day 3

Day 4

Day 5

Day 6

Day 7

Day 8

Day 9

Day 10

Day 11

Day 12

Day 13

Day 14

Day 15

Day 16

Day 17

Focusing on Fractions, Decimals, and Percents

Slide2

To print flashcards:

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Slides per page: 6

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down the middle|Glue the two halves together.Cut into flashcards.

J.R.Olsen ~ W.I.U.

Slide3

Day 1 Questions

Record your answers to the following in the Mental Math Section of your notebook.

10% of 650 is ___50% of 860 is ___The regular price of a pair of jeans is $46. If they are on sale for 50% off, what is the sale price? If one third of the sixth grade class of 120 students exceeded state standards, how many sixth graders exceeded state standards?Solve: 10x = 43Bonus: 70% of 80 = ___

J.R.Olsen ~ W.I.U.

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Slide4

Day 1 Answers

Check your answers.

65430$23740 sixth graders4.3Bonus: 56

J.R.Olsen ~ W.I.U.

Website of the Day: Make a Match

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Slide5

Day 2 Questions

Record your answers to the following in the Mental Math Section of your notebook.

One-eighth of 320 is ___12.5% of 40 is ___ If 37.5% of the teachers union, which has 160 members, is against the proposal, how many are against the proposal? What is the 10% tourism tax on a $65.00 ticket?Bonus: 30% of 800 = ___

J.R.Olsen ~ W.I.U.

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(mentally)

Slide6

Day 2 Answers

Check your answers.

40524 3060 teachers tax is $6.50Bonus: 240

J.R.Olsen ~ W.I.U.

Web site of the Day: Meteor Multiplication

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Slide7

Day 3 Questions

Record your answers in your notebook.

If you get 25% more free and normally there are 20 ounces, how many ounces do you get? 820  .25 Change to a fraction: 60% If five-eighths of the cookie dough is used, how much is left? If is the probability of winning, what is the probability of losing?Bonus: 75% of 820 is ___

J.R.Olsen ~ W.I.U.

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(mentally)

Slide8

Day 3 Answers

Check your answers.

20 + 5 = 25 oz. 205 Three-eighths Six-seventeenths Bonus: 615

J.R.Olsen ~ W.I.U.

Web site of the Day: Fresh Baked Fractions

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Slide9

Day 4 Questions

Record your answers in your notebook.

If 30% of the school walks to school, what fraction is this?Find 12% of 600.If 23% of the 2,000 students in the district qualify for free or reduced lunch, how many students qualify for free or reduced lunch? If 21/25 of the construction paper is used up, what fraction remains? Find 12.5% of 56.Bonus: .03  130 = ___

J.R.Olsen ~ W.I.U.

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(mentally)

Slide10

Day 4 Answers

Check your answers.

72 460 students 7Bonus: 3.9

J.R.Olsen ~ W.I.U.

Web site of the Day: Jigsaw Puzzle

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Slide11

Day 5 Questions

Record your answers in your notebook.

What is the 5% tax on a $9 item? Find the 15% tip on a bill of $16.00. If 87.5% of the students are present and enrollment is 800, how many students are present?Bonus: 110% of 800 is ___

J.R.Olsen ~ W.I.U.

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(mentally)

Slide12

Day 5 Answers

Check your answers.

9 36 $0.45 $2.40 45 700 students presentBonus: 880.

J.R.Olsen ~ W.I.U.

Web site of the Day: Find Grampy-Strict

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Slide13

Day 6 Questions

Record your answers to the following in the Mental Math Section of your notebook.

10% of 5.63 = ___ Find the 20% tip on a bill of $32.00. 25% of $40 = ___ 125% of $40 = ___ If the PTO is selling pizzas, which cost them $6, and they want to make a 25% profit, how much should they charge for a pizza? Change to a mixed number: 150%Bonus: Change to a mixed number: 280%

J.R.Olsen ~ W.I.U.

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(mentally)

Slide14

Day 6 Answers

Check your answers.

.563 $6.40 $10 $50 $6 + $1.50 = $7.50 Bonus:

J.R.Olsen ~ W.I.U.

Web site of the Day: Place Value Pirates

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Slide15

Day 7 Questions

If you start with 5¾ cups of sugar and use 2½ cups, how many are left over? If you start with 14.7 liters and pour out 3.3 liters, how much is left? If you start with 200 kg and 15% is removed, how much is left?If you need to register 240 students and ¼ have already be registered, how many still need to be registered? 8,000,000  .125 33⅓ % of 6,000 is ___ Bonus: 7/8  96 = 96  8  7 = 12  7 = 84

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide16

Day 7 Answers

Check your answers.

3¼ 11.4 liters 170 kg 180 students 1,000,000 2,000Bonus: Find the tip on an $82 bill.

J.R.Olsen ~ W.I.U.

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Web site of the Day: Star Gazing

Slide17

Day 8 Questions

J.R.Olsen ~ W.I.U.

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1% of 45.7 is ___ 0.01  5,000 = ___ 3% of 5,000 = ___ If 1% of the population of 3,000,000 got the H1N1 flu, how many got the flu? 110% of 50 = ___ If the sales tax is 5% and the cost of the shirt is $30, how much do you have to pay?Bonus: $8.20 + $4.10 = $12.30

Record your answers in your notebook.

Slide18

Day 8 Answers

Check your answers.

4.57 50 150 30,000 5.5 $31.50Bonus: Find the tip on an $82 bill.

J.R.Olsen ~ W.I.U.

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Web site of the Day: Crack the Code

Slide19

Day 9 Questions

J.R.Olsen ~ W.I.U.

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If 20% of the students were below standards on the pretest, and there are 450 students, how many were below standards? Find 8% of 7,000. If the item costs the store $50 and there is a 40% markup, what will the retail price be? $20.40 – $1.90 = ___ (Hint: use equal additions) If you start with 19.3 mL and use 5.8 mL, how much is left?Bonus: Change to a percent:

Record your answers in your notebook.

Slide20

Day 9 Answers

Check your answers.

90 students 560. $70 $20.40 – $1.90 = 20.50 – 2.00 = $18.50 19.3 – 5.8 = 19.5 – 6 = 13.5 mLBonus: 65%

J.R.Olsen ~ W.I.U.

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Web site of the Day:

Fishy Fractions – Equivalent Fractions

Slide21

Day 10 Questions

Change to a percent: If three-twentieths of the school attended the game, what percent attended the game? Change to a fraction: 85% If 35% of the solution is acid, what fraction is acid? Change to a fraction: 66⅔ % 66⅔ % of 12 = ___Bonus: 75% of 52 = ___

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide22

Day 10 Answers

Check your answers.

5% 15% 8Bonus: 39

J.R.Olsen ~ W.I.U.

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Web site of the Day: Fishy Fractions - Adding

Slide23

Day 11 Questions

If of the frogs have red spots and there are 420 frogs, how many have red spots? Solve: Solve: Solve: 27% of 200 kg = ___Bonus: 137.5% of 800 is __

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide24

Day 11 Answers

Check your answers.

70  3 = 210 60  4 = 240 54 kgBonus:

J.R.Olsen ~ W.I.U.

Just Do It (mentally)

Web site of the Day: Fishy Fractions -

More

Slide25

Day 12 Questions

Find the shooting percentage of each

player

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide26

Day 12 Answers

Check your answers.

J.R.Olsen ~ W.I.U.

Just Do It

(mentally)

Web site of the Day: Mission Magnetite

Slide27

Day 13 Questions

J.R.Olsen ~ W.I.U.

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(mentally)

Record your answers in your notebook.

Estimate

the

shooting percentage of each

player

Slide28

Day 13 Answers

Check your answers.

J.R.Olsen ~ W.I.U.

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(mentally)

Web site of the Day: Bucky's Blueprints

Slide29

Day 14 Questions

1 – .27 If the poll shows 46% in favor, what percent is against? If the probability of getting an ‘A’ is 29%, what is the probability of not getting an ‘A’? If 25.5% are incorrect, what percent are correct? If 19.4% of the customers used a coupon, what percent did not use a coupon? If 37% of the shots were missed, what percent of the shot scored?Bonus: If 0.22% of the solution is a contaminant, what percent is pure?

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide30

Day 14 Answers

Check your answers.

.73 54% 71% 74.5% 80.6% 63%Bonus: 99.78% pure

J.R.Olsen ~ W.I.U.

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Web site of the Day: Sleuths on the Loose

Slide31

Day 15 Questions

If the 24 oz. bottle of hand lotion is on special and you receive 33⅓% free, how many ounces should you receive? The club has $670 to spend this year. They budget 10% for supplies. How much is budgeted for supplies? Three-fifths of the delegates favored the motion. If there are 55 delegates, how many favored the motion? If the length is 1.2 cm and width is 3 cm, what is the area? 75% of 96 = ___ Change to a percent: Bonus: If 25% have inadequate health care and there are 2.4 million people, how many have inadequate health care?

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide32

Day 15 Answers

Check your answers.

24 + 8 = 32 oz. $67 33 delegates 3.6 cm² 72 60% Bonus: .6 million = 600,000 people

J.R.Olsen ~ W.I.U.

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Web site of the Day: Death to Decimals

Slide33

Day 16 Questions

A piece of paper starts with a length of 11 inches. Five-eighths of an inch are cut off. What is the new length? 12% of 9,000 € = ___ If the length and width are 20 feet and 2.4 feet, what is the area? If the length and width are 20 feet and 2.4 feet, what is the perimeter? What is the 15% service charge on a purchase of $42.00? If there were 300 members last year and this year there is a 20% increase, how many members are there this year?Bonus: If Julie is 52 for 80, what is the shooting percentage?

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide34

Day 16 Answers

Check your answers.

10 and three-eighths inch. 1,080 € 48 sq. ft. 44.8 ft. $6.30 360 membersBonus: 52/80 = 13/20 = 65%

J.R.Olsen ~ W.I.U.

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Web site of the Day: Fraction Pairs Game

Slide35

Day 17 Questions

A piece of paper starts with a width of 8½ inches. One and seven-eighths of an inch are cut off. What is the new width? Jordan start with $13.20. He pays $4.90 for lunch. How much does he have left? If Geoff has 6 hits in 24 at-bats, what is his batting average (convert to a 3-place decimal)? 120% of 70 = ___ 0.1% of 80 = ___ 37.5% of 4,000 € = ___ Bonus: If 1 in 7 residents receive a property tax bill and there are 109,200 residents, how many tax bills are there?

J.R.Olsen ~ W.I.U.

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Record your answers in your notebook.

Slide36

Day 17 Answers

Check your answers.

$8.30 .250 84 0.8 (3/8)4000 = 3500 = 1,500 €Bonus: 15,600 tax bills

J.R.Olsen ~ W.I.U.

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Web site of the Day:Fraction (and percent) Four

Web site of the Day:

Balloon Invaders II