Miscellaneouss
Solve: (1(-1))x(-1(1))
1
Adding two positives
8+6
Add and keep the same sign.
14
You select a marble without looking and then put it back. If you do this 9 times, what is the best prediction possible for the number of times you will pick a blue marble?
2:blue
2:pink
5: purple
2/9
Irma played 2 songs from each piano book in her music library. Each piano book has an equal number of songs.
Is this sample of the songs in the music library likely to be biased?
No
–168 ÷ –6
28
The graph shows the proportional relationship between the number of cans of black paint, x,and the number of cans of white paint, y,Dean mixes together.
I will go to the picture next.
What does the point (5,3) represent?
He can mix 5 cans of black paint to 3 cans of white paint.
Add two negatives
-7+-10
add and keep the same sign
-17
What is the probability of flipping tails and rolling a three?
1/12
For a science fair project, a group of students decides to estimate the population of hedgehogs living in the nearby forest. They trap 190 hedgehogs and mark them. Then, a week later, they return to the forest and trap 189 hedgehogs, 27 of which are marked. To the nearest whole number, what is the best estimate for the hedgehog population?
The best estimate for the hedgehog population is 1,330.
4/5 + –3/4
1/20
A 2-quart carton of pineapple juice costs $5.28. What is the price per cup?
The pineapple juice costs $0.66 per cup.
Adding a negative and a positive
-9+6
Subtract keep the sign of the greatest absolute value
-3
What is the probability of flipping tails and rolling an odd number?
1/4
Mara has an 88% average in Math class. She lost one of her papers. The three papers she could find had scores of 98%, 84%, and 90%. What was the score of the fourth paper?
80%
-15(-5.75)
86.25
Find the mean number of letters in the following words: red, yellow, blue, violet, green
4.8
Subtracting a negative number from a positive number
15-(-4)
Use soo
Same Opposite Opposite 15+4=19
What is the probability of landing on a red and then landing on a red?
Spinner has three equal sections that are labeled yellow, red, and green.
1/9
In the data set below, what are the lower quartile, the median, and the upper quartile?
17,57,63,84,84,88,89
Lower Q:57
Median:84
Upper Q:88
A bee colony produced 8.26 pounds of honey, but bears ate 0.26 pounds of it. How much honey remains?
8 lbs
(64/4)+42(2)-27+53
198
Subtracting negative numbers from negative numbers
-10-(-5)
Use soo
Same Opposite Opposite. Then use integer addition rules.
-10+5=-5
You pick a card at random. Without putting the first card back, you pick a second card at random.
4,5,6,7,8,9
What is the probability of picking an odd number and then picking an even number?
3/10
In the data set below, what is the mean absolute deviation?
6,1,9,7,2
If the answer is a decimal, round it to the nearest tenth.
The mean absolute deviation, MAD, is 2.8.
Step1:Compute the mean
Step 2: Compute the mean absolute deviation, MAD.
Every day, Ann's orange juice stand uses 7 bags of oranges. How many days will 7 7/10 bags of oranges last?
1 1/10 Days