Integers
5 + 17
22
14.5 + 56
70.5
3x = 18
x = 6
What is the perimeter of a rectangle with a length of 8 cm and a width of 5 cm?
26cm
A fair 6 sided die is rolled. What is the probability that you will land on four?
16.67%
-7 + 12?
5
⅓ of 63
21
4x + 5 = 21
x=4
If two angles in a triangle have 45° and 75°, what are the degrees of the 3rd angle?
60°
On your first day of the 1st grade, your mom packs a small pouch of 5 marbles to play with classmates. The bag contains 3 red marbles and 2 blue marbles, what is the probability that you draw 2 red marbles back to back?
30%~
-6 or -2?
-2
6.7 x 4.1
27.47
3x + 2x – 7
5x – 7
What is the circumference of a circle with the radius of 10?
62.8cm
You’re playing twister and it's your turn to spin the wheel. There are 4 sections on the wheel, left foot, right foot, right hand, and left hand. Within those 4 options there are 4 colours, red, green, yellow and blue. In total there are 16 options. What is the probability that you will land on your right foot and red?
6.25%
-4 × (-3)
12
34/68 = what decimal?
0.5
4x – 3 = 17
x=5
What is the volume of a cube with the side’s length of 4cm?
64cm
You’re trying to hack into your cheating fiance’s phone. The only information that you know is that there are 3 different letters followed by 2 different digits in the password. What is the probability that the password won't consist of any vowels and no even digits?
56.84%
7 / -8
-0.875
5/10 x 6
3
5(x – 2) = 20
x = 6
Calculate the area of a triangle with the base of 6cm and the height of 4cm
12㎠
A box contains 5 fair coins, but 1 is a two-headed coin and the other 4 are normal coins (1 head, 1 tail).You randomly select one coin and flip it 3 times. All three results are heads.What is the probability that you picked the two-headed coin, given that you observed 3 heads?
66.7%