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

Copper produces a green flame test. When is the green light emitted?​
Math question any help appreciated ! Find x.
A student is performing a Gram stain of a mixed culture of both E. coli and S. aureus and he forgets to decolorize with ethanol. What should his slide look like
Which TWO sentences describe the demographic effects of the Agricultural Revolution? The percentage of the total population living in urban areas increased. Th
I AM IN DESPERATE NED OF QUICK HELP PLEASEEEEEEEEEEEEEEEEEEEEEE!!!!!!!!!!!!!!!!!!!!!!
plz hurry!!!! thank you!!!!
Which of Einstein's theories was most important?
i hope _____ are enough decorations
express the ratio in its simpilest form 4:2:2
A Gardner plants two trees Type A is 9 feet tall and grows a rate of 17 inches per year Type b is 2 feet tall and grows a rate of 24 in per year Algebraicall