3rd Grade? Math
11x11
111
If part of a right angle is 38 degrees, how many degrees is the rest of it?
52 degrees
If I roll a dice, what is the probability that it will land on a 3?
1/6
14/3=x/42
196
9x12
108
32/8
4
How do you calculate the area of a triangle?
If a normal coin is flipped 10 times and lands on heads all 10, what are the chances it will be heads again?
50/50 .5
56 + a + 85 = 180
a=39
11- 3(-2)=?
17
14+100+19+3-10+45=?
171
2 angles are supplementary. If one is 80 degrees. How many degrees is the other one?
100 degrees
T/F. A wheel with 10 slots in it numbered 1-10 has a higher probability of landing on an even number than it does landing on a number below 7.
False
10x+40+4x=180
10
Greg earns $288 working for 18 hours. What is his hourly rate?
$16/hr
210/15
14
What is the area of a circle with a diameter of 30cm?
706.5cm
If I roll 2 dice what is the probability that they will total 5?
4/36 11%
Julie spent $34 total for x pencils at $2 each and a notebook at $10. How many pencils did she buy?
12
Continue the sequence
10...15...25...45...85...165...
325
1200/3 - 74
326
11-3x+2x+74=90
-5
A bag has 7 blue marbles, 4 green marbles, 11 orange marbles, and 2 purple marbles.
If I have already taken away 2 blue, 1 green, and 1 orange, what are the odds that the next one will be orange?
1/2. 50%
3x-(24-3)+19x=(4+1)3+4x
x=2
An isosceles triangle has a base half the length as one of the other sides. The base is 23.3 cm. What is the perimeter of the triangle?
116.5 cm