Surprise
Mental Math
30+30
60
Mental Math
20-10
10
MENTAL MATH
37 + 68 =
105
MENTAL MATH
8 x 9
72
42 / 6
7
French mathematician (1623-1662) who was an early pioneer in the fields of game theory and probability theory. He also created a famous triangle!!!
Blaise Pascal
What is 52 ?
25
Mental Math
7 x 1024= ?
7168
Mental Math
Fiona wants to buy a phone charger worth $42, but she only has a $50 bill How much change will she receive?
$8
300 + 100 =
400
MENTAL MATH
50 x 24 =
1200
Mental Math
54 divided into 6 groups
9
English mathematician and writer (1815-1852) who is regarded as the first computer programmer.
Ada Lovelace
What is 92
81
Mental Math
6 divided by 3=
2
Mental Math
60 - 30 =
30
MENTAL MATH
900123 + 500 =
900623
Mental Math
8 x 5 = ?
40
MENTAL MATH
40 divided into 5 groups
8
American mathematician (1918-2020) who calculated trajectories for missions at NASA, and was one of the first African-American women to work as a NASA scientist.
Katherine Johnson
What is 252 ?
625?
Mental Math
3x3x3x3x32
729
600-4554
-3954
MENTAL MATH
3 + x = 24
x = 8
Mental Math
31 x 10 =
310
MENTAL MATH
45 divided into 9 groups
5
English mathematician, computer scientist, logician, cryptanalyst, philosopher, and theoretical biologist (1912-1954) who worked at Bletchley Park during WWII.
Alan Turing
What is 452 ?
2,025
6 x 24
144
562-191
371
MENTAL MATH
250 + 250 = ?
500
Mental Math
24 x 41 =
984
MENTAL MATH
100 divided into 5 groups
20
Italian mathematician (c. 1170-1250) who introduced a famous sequence of numbers in which each number is the sum of the two preceding ones.
Fibonacci/Leonardo Bonacci/Leonardo of Pisa/Leonardo Bigollo Pisano
What is 60 X 60 ?
3600