What is the difference between an "equation" and an "expression?
What is "equation" has an = sign
Ex: a + 2 = 3
"expression" does not have an = sign
Ex: 2y - 7
100
What is the difference between "parallel" and "perpendicular"?
What is
"parallel" = describes lines in the same plane that never cross or intersect
"perpendicular" = describes lines that intersect at right angles (90°)
100
What does "probability" mean?
What is
"probability" = the likelihood or chance of an event occurring
200
What are 2 types of estimation?
What is
overestimate: estimate that is larger than the actual answer.
underestimate: estimate that is smaller than the actual answer.
200
Fill in the blank:
Every percent has an equivalent ____________ and _________ value.
What is Every percent has an equivalent _DECIMAL and _FRACTION_ value.
200
Solve: c + 22 = 56
c = ?
What is c + 22 = 56
c + 22-22 = 56-22
c = 34
200
What is the formula to measure the area of a parallelogram?
What is
A = b x h
200
How can a probability be expressed? As a ratio, as a ____ and as a _______.
What is as a ratio, as a _FRACTION_ and as a _PERCENT_.
300
Use front-end estimation to solve: 2.65 x 3.72 =
What is 2 x 3 = 6
300
What are the decimal and fraction forms of 56%?
What is 0.56 and 56/100 or 14/25
300
Solve: 5g x = 15
g = ?
What is 5g x = 15
5g/5 = 15/5
g = 3
300
What is the formula to measure the area of a triangle?
What is
A = b x h ÷ 2
300
Solve: A bag contains 10 marbles. Show the probability of the selecting a red marble as a fraction, a ratio, and a percent.
What is
1/10
1:10
10%
400
Use front-end estimation to solve: 4.6 ÷ 2.5 =
What is 4 ÷ 2 = 2
400
change 3/8 to a decimal and a percentage.
What is 3 ÷ 8 = 0. 375
0.375 x 100 = 37.5%
400
Solve: a/4 = 5
a = ?
What is a/4 = 5
a/4 (4) = 5 (4)
a = 20
400
Solve: what is the area of a triangle if the base is 6m and the height is 2m?
What is
A = b x h ÷2
A = 6 x 2
A = 12 meters squared
400
Define "tree diagram"
What is a diagram used to organize outcomes. It contains a branch for each possible outcome of an event
500
Solve: 9.1 x 2 + 7.5 ÷2.5 =
What is 9.1 x 2 + 7.5 ÷ 2.5 = 21.2
9.1 x 2 = 18.2
7.5 ÷ 2.5 = 3
18.2 + 3 = 21.2
500
Calculate the percent: 35% of 640
What is 224
25% of 640 =
640/4 = 160
10 % of 640 =
640/10 = 64
160+64 = 224
500
Solve: 6r - 2 = 16
r = ?
What is 6r - 2 = 16
6r - 2 +2 = 16 + 2
6r = 18
6r/6 = 18/6
r = 3
500
Solve: What is the area of a pool table with the height of 79cm and the base of 234cm?
What is
A = b x h
A = 79 x 234
A = 18486 cm squared
500
Solve: The coin is flipped once. A spinner of #s 1,2,3,4 is spun once. What is the total number of possible outcomes.
What is 8
Coin has 2 sides (heads or tails)
Spinner has 4 # (1,2,3,4)
2 x 4 = 8