Math By Molly

add

100

5 + 6 =

what is 11

200

100+76=

what is 176

300

99+22=

what is 121

subtraction

100

11-10=

what is 1

200

44-67=

what is -23

300

123-245=

what is -122

multiply

100

5x6=

what is 30

200

555x10=

what is 5,550

300

66x78=

what is 5,148

division

100

9/3=

what is 3

200

22/6=

what is 3.6666666

300

123/8=

what is 15.375

formula

100

the formula for area of a triangle

a=1/2bh

200

the area of a square 

A=lw or A=bh

300

the Pythagorean theorem is

A²+B²=C²