Probability
On a six-sided number cube, what is the probability of rolling a 6?
1/6
Convert these decimals to fractions: 0.13, 0.4, 0.311
13/100
4/10 or 2/5
311/1000
Simplify:
4+6
(-5) + (10)
4 + 6 = 10
(-5) + (10) = 5
1/2 x 2/3
2/6 or 1/3
Mr. Denning reads 15 pages of a book in 45 minutes. How many pages can he read in 60 minutes.
20 pages!
In a 52 card deck, what is the chance of drawing a heart?
13/52 or 1/4
Convert these decimals to precents: 0.34, 0.61, 0.734, 1.56
34%
61%
73.4%
1.56%
7 - 12
(-15) + (-6)
2 + (-8)
7 - 12 = -5
(-15) + (-6) = -21
2 + (-8) = -6
5/7 x 3/8
15/56
0.2, 0.65, 1.34, 2.71, 4
Any answer is acceptable that is 1 or below.
There is a bag with 2 blue marbles, 6 green marbles, and 2 red marbles. What is the probability of drawing a Blue OR Green marble?
8/10 or 4/5 or 80%
Convert these percentages to decimals: 96%, 350%, 1%
0.96
3.5
0.01
4 - (-16)
4 - (-16) = 4 + 16 = 20
Cross reduce on this example and solve: 2/10 x 5/6
Reduced version becomes 1/2 x 1/3 = 1/6
Find the perimeter and area of the shape Mr. Denning shows on the board:
Area: 17 square units
Perimeter: 26 units
In Mr. Denning's drawer he has 4 pink sharpies, 1 yellow sharpie, and 9 black sharpies. What is the probability that Mr. Denning does NOT draw the yellow sharpie?
13/14
What is the difference between a terminating and repeating decimal? Give an example of each.
A terminating decimal ends or stops, whereas a repeating decimal repeats the same number(s) again and again.
Terminating: 4.56
Repeating: 0.833333333333333
(-5) x (10)
5 x 10
(-5) x (-10)
(-5) x (10) = -50
5 x 10 = 50
(-5) x (-10) = 50
1 and 3/4 times 3 and 4/5
133/20 or 6 and 13/20
Describe the two ways to convert a fraction to a decimal.
1. Convert the denominator to a power of 10, then write the decimal using place value vocabulary.
2. Divide the top number by the bottom number.
A spinner has sections with whose probabilities are 1/2, 1/8, and 1/4, with one section missing. What is the probability of spinning the missing section?
1/8
Convert these fractions to decimals and percentages:
1/2, 3/4, 5/6, 3/8
0.5, 50%
0.75, 75%
0.833..., 83.3% (repeating)
0.375, 37.5%
Sing the song!!!! (and then explain it on your board)
Same signs add and keep, different signs subtract, keep the sign of the bigger number, then you'll be exact!
9 and 1/10 times 5 and 6/7
3731/70 or 53 and 3/10
Describe the thought process of choosing a scale to graph a data set.
Look at what the greatest and least numbers are to realize what the max of your scale should be. From there, choose a number to "go up by" each time that will make sure your data is spread out enough.