Finding the dollar amount
Constant of Proportionality
True or False?
% Of a number
Surprise
100
IF a shirt costs $25 and there is a 10% discount, what is the final price of the shirt after the discount?
$22.50
100
2 : 6
5: 15
6: 18
What is the constant?
3
100
True or false: 50% of 160 is 80
True
100
Jacob takes a test and gets a score of 40%. If the test had 160 questions, how many did he get right?
Jacob got 64 questions correct.
100
Rise and Run are associated with which math category?
A) Percentage
B) Slope intercept
C) Proportionality
B) Slope intercept
200
If your budget is $120 and you want to buy a jacket that is on sale for 25$ off its original price of 80, what is the dollar amount that you have left to spend of your budget after paying with the discount?
$60
200
1 : 24
2: 48
5: 120
What is the constant?
24, DOUBLE POINTS!
200
True or False: The constant of proportionality is the same for all proportional relationships.
False
200
20% of the 7th grade class wanted to stay inside. 80% of the 7th grade wanted to go outside and play. If there are 255 students, how many voted to stay inside?
51 Students wanted to stay inside.
200
What is 50% of 860
430
300
If you have to pay $30 for a shirt and the discount is 10%, the tax is 2%, and your tipping 5%, how much is your total?
28.92$
300
1: 7
2: 14
3: 21
4: ?
5: 35
What is the missing number?
28
300
True or false: To find the percentage of a number, you multiply the number by the percentage in decimal form.
True
300
Isabel bakes cookies but runs out of chocolate chips. She has an idea and changes the type of cookies she was making, since she ran out of an ingredient. She finished and is left with 30% more peanut butter cookies then original chocolate chip. If she baked 80 chocolate chip cookies, how many of the new peanut butter cookies did she baked?
104 Peanut butter cookies.
300
40% of 670
1. 230
2. 356
3. 268
3: 268
400
If a soccer ball costs 45$, the discount is 10% and the tax is 5%, how much is the overall cost?
$42.53
400
6
400
To find the dollar amount of a number, you need to multiply the number by 100 if it represents cents.
True, DOUBLE POINTS
400
Sara and Emma are working on selling one of Sara's designs. Since Emma is only helping with advertising, she is getting 25% of the profit. The total amount they will be paid if they reach their objective is $400. How much will Emma be paid if they reach their goal?
Emma will be payed $100. DOUBLE POINTS!
400
What is a constant?
A. The number you get after dividing
B. A value that does not change
C. A value that changes
B: A value that does not change
500
IF a pair of sneakers cost 80$, the discount is 15%, the tax is 7%, and your tipping 5%, what is the total end cost?
$76.40, DOUBLE POINTS
500
If a car uses 1 gallon of gas to travel 26 miles, how many miles can it travel with 5 gallons?
130 miles
500
True or false: To convert a fraction to a Percentage, you multiply the fraction by 100.
True.
500
Jane and Chris are very competitive people. They decided to race to see who was faster. Chris ran the 400 meter dash in one minute. Jane did it 20% faster then Chris. How many seconds did it take Jane to complete the 400 meter dash?
48 seconds.
500
What number do you multiply a fraction by if you want to change it to a Percentage?
A. 0.10
B. 100
C. 5
B. 100