8th Grade
Math
Math
Ms. Chamberlin worked from 4:30 am to 9:00 am. How many hours did Ms. Chamberlin Work?
4 hours 30 minutes
What do you call a shape that is 2x the original size?
dilation
964 divided by 4
241
4,826 x 9
43,434
All triangles should add up to what degree?
180 degrees
How can you find a solution to a system of equations that have been graphed?
Find the coordinate that the two lines cross.
5√3 + 6√3 =
= 11√3
37x58=
2, 146
(−7) + (−6) =
−13
What is the definition of slope?
Rise/Run or how steep the line is.
72
49
(−3) ∗ (−11) =
33
1/2 of 16=
8
Factors of 45
1*45
3*15
5*9
1,3,5,9,15, and 45
612,532 + 44,622
657,154
What is 210 divided by 5?
42
This is what it is called when a shape is flipped over the x or y axis.
What is reflection?
What is the slope of y=7x+12
7
If triangle ABC has a base of 20 ft and area of 400 square feet, and if triangle DEF is similar and has a base of 10 ft, this would be the area of triangle DEF?
What is 100 ft² ?
How do you know if two shapes are ¨congruent?¨
Same shape and same size
This is an equation that matches the following statement. Six less than four times a number is two more than three times that number.
What is 4n - 6 = 3n + 2
1/2 ÷ 1/4 =
1/2 * 4/1 =
4/2 =
2
Use <,>,or = to compare:
1/2 ___ 8/16
=
What is the angle measure of a straight line?
180 degrees
Amanda is serving peach cobbler to her friends. She serves 4/12 of the pie. What fraction is left?
8/12
Luis orders 350 chocolate bars. They come in 5 boxes. How many candy bars are in each box?
70
4x − 3y − 9x + 5y
−5x + 2y
The chocolate bar is 65 pennies. How is 65 pennies represented as a decimal and fraction?
0.65 and 65/100
Daniel has a collection of 7,442 stamps. He has 2,500 more stamps than Jennifer. How many stamps do they have altogether?
12,384 stamps
1/2 * 2/3 =
2/6 =
1/3