Solve: 2 1/3 - 1 2/9
1 1/9
If you add 2 integers with the same signs, what sign will the answer have?
the same sign as the two numbers in the problem
If X=20 and Y=-4, solve 7X - 3Y
152
7x20 - 3(-4) = 140 - (-12) = 140 + 12
Find the area of a triangle where B=16 and H=32
256
16x32 / 2
Find the median and mode of this data set: 24, 74, 61, 29, 38, 27, 68, 54
median = 92 there is no mode
2/7 x 4 4/9
80/63 or 1 17/63
T or F When you add numbers with different signs, you actually begin by subtracting.
true. You subtract, then use the sign of the larger number.
17 less than a number X
X - 17
Find the surface area of a prism with measurement L=18", W=7", H=11" (Try to draw it)
802 sq"
Find the mean, Q1, and Q3 of this data set: 18, 22, 15, 16, 15, 13, 19, 18
M=17 Q1=15 Q3=18.5
5 5/8 divided by 3
15/8 or 1 7/8
-12 - (-12) = ____ remember how to subtract integers
-12 + 12 = 0
to subtract an integer, add the opposite
Create a number line to show this: "a is greater than or equal to 3"
Show Mrs. Lois
Draw a rectangular prism and determine the number of faces, vertices, and edges.
F=6 V=8 E=12
What does a bar graph have that a histogram does NOT have?
there are no spaces between bars on a histogram
It takes 2 2/3 yards of fabric to make a costume. How many yards will it take to make 12 costumes?
32 yards
When you multiply two numbers with different signs, the answer will always be _______ (+/- ?)
negative
Solve: 4(7 - (-3)) + 2
42
A box shaped like a cube has sides of 10". How much cardboard is needed to make the box?
600 sq"
Describe the shape of the data that Mrs. Lois shows you.
Mrs. Lois will check it
Write two fractions whose quotient would equal 28/45.
Have Mrs. Lois check
solve: 10-20(-5+5)
10
Write this equation: The sum of 18 and 5 is equal 9 less than a number y
18 + 5 = Y - 9
A square pyramid has a base of 7' and a height of 13'. What is the surface area?
231 sq' (7x7=49, 7x13 / 2= 45.5, 45.5 x 4=182, 182 + 49=231)
The data set {1, 0, 2, 3, 4, 3, 6, 1, 0, 1, 2, 2} represents the amounts of time (in hours) that a group of friends spent online last night. Make a box-and-whisker plot for the data.
Show Mrs. Lois