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

When should you list your GPA on a resume? A. Never B. Only if a 4.0 C. Always D. Only if above a 3.0
True or false: the difference between the lower limit of a confidence interval and the point estimate used in constructing the confidence interval is called the
A steel cylinder with a moveable piston on top is filled with helium (He) gas. The force that the piston exerts on the gas is constant, but the volume inside th
Why is a squid considered a cephalopod
Keera decided to investigate how the growth of plants is affected by the time of day it is watered. She placed an equal amount of potting soil in three identica
what's the correct verb conjugation in spanish to use for ella's (mirar) a la maestra
The global recession forced thousands of firms into bankruptcy. does this fact alone confirm that “external factors are more important than internal factors” in
How many cubes with 5 inches side Will completely fill a cube that is 10 inches on each side
The point of constriction on chromosomes that contains certain repeated dna sequences that bind specific proteins is called:
A student conducts a study on texting behaviors among college students using closed-ended questions where participants' answers are provided on a five-point lik