Spiral Review
What do you call a number whose only factors are 1 and itself?
Prime Number
The Ratio of Cats to Dogs in an animal shelter is 4:7.
If there are 21 Dogs, how many cats are there?
12
3: 8 = ?: 24
9
Mia made $30 selling 5 Bracelets last week. How much did she charge per bracelet?
$6
Work 8 hours for $98.56
or
Work 10 hours for $123.50
10 hours for 123.50 is the better option
12.35 per hour vs. 12.32 per hour.
What is the Greatest common Factor of 14 and 84
14
The Ratio of Blue Berry Muffins to Strawberry Muffins is 3:5. If you buy a Multi pack of 64 muffin, how many will be Blue Berry?
24
12: 15 = 48: ?
60
Leo made $111.15 mowing 9 yards last week. If he charged the same for each lawn, how much did he get paid per lawn mowed?
$12.35
Option 2: Buy 7 Lbs. of Apples for $6.65?
Option 2 is the better buy
1/2 + 3/5 =
simplify your answer
1 and 1/10
A recipe calls for 2 cups of Sugar for every 3 cups of Flour. If you only use 1 cup of flour, how much sugar would you need to use? (Round to the nearest hundredth of a cup)
0.67 Cups of sugar
or 2/3 cups of sugar
Sage reads 4 books every 3 Weeks. At this rate, how long will it take her to read the 36 books on her must read list?
9 Weeks
Madden drove 270 miles in 6 hours. How fast was he driving per hour?
45 MPH
Option 1: Work 4 days a week making $480
Option 2: Work 6 Days a week making $$619.50
Option 1 is paying more per day
8.4 Divided by 1.2 =
7
The Ratio of 6th Grade students to 7th Grade students in band is 60:72. What is this Ratio written in simplest form?
5:6
Jaun scored 16 goals over the past 4 soccer games. If he continues at this rate, how many goals will he have scored by the end of their 20 game season?
80
Jetta biked 25.2 miles in 4 hours during a marathon race. If she biked at a constant speed the entire time, how fast was she going per hour?
6.3 miles per hour
Kade is buying Popcorn at Costco.
Option 1: A multi pack of 12 boxes cost $13.80
Option 2: A Multi pack of 18 cost $20.70
They are of equal value. Both cost $1.15 per box.
Jetta purchased the following items:
2 Shirts at 19.95 each
1 pair of shoes at 15.50
5 pairs of socks at 1.99 each
She estimates that she has $12 after shopping. Approximately how much did she have at the start of her trip?
Approximately $80
Exactly $77.35
A Recipe calls for 4 cups of chocolate chips for every 3 cups of Sugar. You need to make 15 batches of this recipe for a wedding you're catering. How many cups Sugar will you need, and how many cups of chocolate chips?
45 cups Sugar: 60 Cups Chocolate Chips
A mega recipe used by a Specialty Bakers requires 56 cups of Flour for every 42 cups of Sugar. You are trying to reverse engineer this recipe but on a smaller scale. You used only 4 cups of flour. How much sugar do you need to use?
3
Sally is so confused. One her math test, a question asked her to find the better buy between a 10.8 oz bag of candy for $3.03 or a 24 oz bag of candy for $6.24. She divided oz by the price and found that the 10.8 oz bag was the better deal, but the stupid teacher marked it wrong.
What mistake did Sally make, and why is the 24 oz bag the better buy?
Sally flipped her Ratio and found oz per dollar instead of dollar per oz.
the 24 ox bag is 1 cent cheaper per oz.
Option 1: 12 boxes of cereal, each holding 10.8 oz for $40.17
Option 2: 8 boxes of cereal, each holding 24 oz for $57.60
Option 2