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

Tom stormed into the office, exclaiming, "that's the last straw! i've experienced unethical behavior at this company one time too many. i'll be calling the pres
Write an integer to represent a loss of 8 pounds
Which property is shown in the problem below? -8(x-3y-9)=-8x+24y+72
Point K is the midpoint of JL. If JK=7x+4 and KL=12x−21, what is the length of JL?
Which sentence is written correctly? Which sentence is written correctly? A. Pepper and i decided it was time to head home. B. Ever since I was a te
Why was shipbuilding important to the Romans international trade
If ed=10 and DB=3x-8, what is the length of segment EB
which action is best to take if you are home and hear a tornado warning
Which of the following is the capital of the country shaded in red A) Thimphu B) Kathmandu C) Dhaka D) Rangoon
We the people is the start of what important document