Seudónimo Seudónimo
  • 01-11-2016
  • Mathematics
contestada

matt says he can find the sum of 45+50 without rewriting it. Explain how you can solve this problem using mental math.

Respuesta :

shivanikinare shivanikinare
  • 16-12-2016
you can use partial products. you can break up45 into 40 and 5 and leave 50. so u do 50+40=90 and add five. so 90+5=95.
Answer Link

Otras preguntas

what is the slope and y-intercept of the equation 3 (y-2)+6 (x+1)-2=0
What is the rhyme pattern of William Shakespeare’s Sonnet 130? My mistress' eyes are nothing like the sun; Coral is far more red than her lips' red; If snow be
How many elements are on the Periodic Table?
Write a diary like if you were a cherokee in those times
Helppppppppppp plzzzz
use elimination to solve each system of equations: 6x + 5Y = 4 6x - 7y = -20
What is Chemical digestion?
Please help me on this
#1 What is "Pi" ? ( without using 3.14) #2 Name one real world situation that involves inequality #3 Give an example
People who break speed limits tend to think that many others do the same