Adding
3+4
2-1
1
a+3=b+4
b+5=6
What is a?
2
4x4
16
who came up with E=MC^2
Albert Einstein!
13+28
41
12-3
9
if every student high-fives every other student at least once, and there are 21 high-fives in total, how many students are in the class?
7
10x11
110
discovered gravity because of an apple
Issac Newton
56+87
143
29-16
13
Two years ago, I was three times as old as my brother. In three years, I will be twice as old as my brother. How old are we now?
17 and 7
225
studied spheres
archimedes (greek)
192+347
539
123-86
37
What comes next in the sequence:
1,4,9,16,25,36,___?
49- they are all perfect squares:
12 ,22 ,32 ,42 ,52 ,62 ,72
20x22
1001+1987
2988
2345-1234
1111
I am a five-letter word, and I become shorter when you add two letters to me. What am I?
Short (adding “er” makes it "shorter")
101x23
2323