Unit 10 questions
Expressions
Absolute Value
GCF/LCM
Area
100
Tell me one of the two words that tell you if a question is a statistical question.
Average and Typical
100
Write this as an expression:
8 more than a number.
x + 8
100
| 7 x -8 | = ?
56
100
Find the Least Common Multiple of 8 and 12
24
8,16,24
12,24
100
Find the area of this rectangle:
12cm squared
200
What is the definition of mean, and the definition of median?
(You can answer by telling us what to do to find them)
Mean = the average, add up all the numbers and divide them by how many there are.
Median = the middle number. Put the numbers least to greatest, and cross on each side until you get the middle number.
If there are 2 in the middle, add them together and divide by 2.
200
Write the expression:
Twice a number.
2x = 2 *x
200
What is sea level always equal to?
0. Sea level is always 0.
200
Find the least common multiple of 20 and 5.
...20
20
5,10,15,20
200
4x12=48 divided by 2 = 24
300
Find the mean of 13, 12, and 8.
13+12+8 = 33
33 divided by 3 = 11.
300
Write this expression:
A number split into 5 pieces.
x / 5
300
- | 12 - 9|
-3
The negative was on the outside :)
300
Greatest Common Factor of 16 and 20.
4
That's the BIGGEST number you can divide 20 and 16 by.
300
Find the volume:
Volume is 243
L x W x H
400
Find the median of 9, 3, 7, and 5.
3,5,7,9
Cross out 3 and 9.
Two numbers are in the middle. 5 and 7.
Add them together. 12. Divide by 2.
Median:6
400
Solve the expression:
0.5x + 7
when x = 4
9
0.5 x 4 = 2
2+7 = 9
400
A rocket blasts off and is 20,000 feet in the air. Write this number as an integer.
20,000
400
Bus A leaves a bus stop at the same time that Bus B leaves the bus stop. Bus A returns every 12 minutes. Bus B returns every 10 minutes. How many minutes until both buses are back at the bus stop?
60 minutes.
400
3 x 9 = 27
3x 9 = 27
9 x 9 = 81
27 + 27 + 81 = 135 x 2 = 270
500
Find the mode AND range of the data:
1, 8, 4, 3, 4, 9, 12, 1
Mode: 1 AND 4
Range: 12 - 1 = 11
500
Simplify:
x + 4y - 5 + x - 2y
2x + 2y -5
OR
2y + 2x -5
OR
-5 + 2y + 2x
500
A submarine is 1,000 feet below the ocean.
A plane is 2,000 feet above the ocean.
A whale dives 1,200 feet down into the water.
A man is floating on the beach at sea level.
Write these things in order from GREATEST to LEAST. Not the number.
The plane (2,000), The man (0), the Submarine (-1,000) and the Whale (-1,200)
500
John is making party bags for his birthday party. He has 81 toys and 54 pieces of candy. What's the greatest number of bags he can make if he puts the same amount in each bag?
27
Says greatest number = GCF
500
(Remember, it's 4 triangles and a square)
One triangle is 10 x 60 divided by 2 = 300
There are FOUR triangles, so 300 x 4 = 1200
The square is 10 x 10 = 100
1200 + 100 is 1300