Probability
What is the probability of flipping heads on a coin?
1/2
What is −3+5?
2
What is 23?
8
Write the ratio 4:8 in simplest form
1:2
Simplify 3x+4x
What is the probability of rolling a 4 on a 6-sided die?
1/6
What is −7−(−2)?
-5
Square root of 64
8
Simplify 15:25
3:5
Solve x+5=12
x=7
What is the probability of picking a king from a standard deck of 52 cards?
4/52 or 1/13
What is −6×(−3)?
18
What is 52+32?
34
If 2:3= 8:x
Find x
x = 12
Solve 3x−4=11
x=5
What is the probability of rolling a number less than 5 on a 6-sided die?
4/6 or 2/3
What is −12÷4?
-3
Simplify square root 81 x square root 16
36
Write 5:7 as a ratio.
5:7
Factorize 2x+4
2(x+2)
What is the probability of rolling two 6s with two dice?
1/6 x 1/6 = 1/36
What is (−3)2−(−4)?
13
What is 34÷9?
9
If 7:5=21:x
Find x
x=15
Solve 5x+7=27
x=4