Ratio Vocab
What do ratios do?
Compare two (or more) values.
One package of cookies has 250 calories. If the package has 5 cookies, how many calories does each cookie have?
50 calories
Is 3050 divisible by 5? What is the answer?
Yes! 610
Solve this problem:
56 / (7 + 1)
7
What is a unit rate?
A rate where one unit is equal to ONE!
Mr. Loweck’s Robotics Club uses Legos to build robots. The ratio of blue Legos to red Legos is 11 : 4 and there are 60 Legos in each box. How many red Legos are in each box?
16 red legos
Give the 10th Multiple of 9
90
What is the GCF of 8, 16, and 48?
8
Name three key words/phrases that signal a rate/ratio
1. per
2. for each
3. for every
The ratio of cups of flour to cups of sugar needed for a cookie recipe is 3 to 2. How many cups of sugar are needed for each cup of flour?
Your answer should be in fraction form!
2/3 cup
4 and 8 is a Factor pair of _____
32
Place brackets to make this true.
12 x 4 + 2 - 12 = 60
12 x (4 + 2) - 12 = 60
How can you tell if a rate/ratio is equivalent?
(two possible answers)
2. the ratio simplifies to the same base rate
Mr. Fray’s nephews have lots of toy cars and trucks. The ratio of racecars to trucks is 7 to 3. If his nephew has 36 more racecars than trucks, how many vehicles does he have?
90 vehicles
4144 / 16
259
Yeidy used 15 cups of raisins to make 5 batches of oatmeal raisin cookies. How many cups of raisins are in each batch of cookies?
3 cups
A strategy used when moving down a ratio table is difficult.
Double Jump
Ms. Ceron is really good at taking care of our photocopiers. Last week, the copier next to Ms. Fascilla’s room could print 360 pages every 8 minutes. The copier kept jamming, which was slowing down its copying rate. Ms. Ceron had the technician come in to fix the machine. Now the machine can copy 400 pages in 5 minutes. How many more pages per minute can the copier print after getting fixed?
35 more pages per minute
88 / (24-13) x 12
96
At a country concert, the ratio of the number of boys to the number of girls is 6 to 14. If there are 80 people at the concert, how many girls are at the concert?
56 girls