8th Grade Problems
What are corresponding angles?
What are supplementary angles?
What are complimentary angles?
Corresponding angles are angles that relate to each other when a line crosses over another line which is the transversal.
Supplementary angles are angles that add up to 180 degrees.
Complimentary angles are angles that add up to 90 degrees.
What is the mean?
2, 2, 2, 2, 2
Answer: 2
225/5
45
Luke had 24 chairs. Every 5 minutes, 3 chairs are taken. How many minutes it will take for all the chairs to be taken?
40 minutes.
a + -2 = 12
a = 14
What does the “e” mean when using power of tens?
10n or Exponent of 10.
What is the MAD?
4, 4, 4, 4,
Answer: 1
3 + -7
-4
Mal had 32 people join his concert. There were 5 dancers, 5 singers, 4 musicians, and 2 actors. How many audience members were there?
16 audience members.
5a + -3 = 17
a = 4
1010 divided by 10-6
1016
-7 + -7 + -7
Answer: -7
5 packages contain have boxes inside. Each package has 12 boxes. How many boxes are there in all?
Answer: 60
339 people bought lottery tickets. If the probability is 1/339, if more people buy lottery tickets, will the probability change?
Yes
1/2a + -2 = 5
a = 14
What is the square root of 32 simplified?
4√2
-2a + (5 - 3) = 24
a = 11
Kyle & his 7 friends shared 4 slices of Spanitopika. How much Spanitopika does each friend get?
Answer: 1/2 Spanitopika.
Samuel bought 15 shirts. Each shirt costs $3. There was a 10% discount on each shirt. Write an algebraic expression to find how much those shirts cost in total.
15(3 x 10%)
(15 x 3)10%
15(3x10%)
-4a + 8 = 40
a = -8
Parma had bought 10 things from the store. He only bought apples and oranges. He won’t tell us how many apples and oranges he bought, but he has brought some clues…
How many apples and oranges did he buy? If y = apples, and x = oranges?
y + x = 10
x = (5 + 2)y
1 apple, 9 oranges.
-1/2a + 4 = 8
a = -8
6 divided by 1/3.
Answer: 18.
Lin had 32 buckets. Each bucket was filled halfway fully. If they were the same color, how much full paint buckets were there be if Lin puts 1/2 bucket in a bucket to make a full paint bucket?
Answe: 16 buckets.
0.5a + 1/2 = 0
-a = -1