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

Alicia's garden is 6.3 square feet in length and 12.6 square feet in width.Tomato plants require 2 square feet of space. How many Tomato plants can Alicia fit
How do we know that caramelizing sugar is a chemical change?
It took Marty 10 seconds to walk 15 feet. How fast was he walking in feet per second. Answer with supporting work
What is the area of the triangle? A. 208 in2 B. 192 in2 C. 104 in2 D. 96 in2
Disruptive selection events select for _______. a. common traits b. genetic uniformity c. camouflage traits d. extreme traits
How did Columbus and Coronado,being entrepreneurs how did it help them make their expeditions possible?
For how many things can use the same resource at one time
Explain why the dodo was placed in the kingdom animalia
Can someone please rewrite this in your words? "…the colonists were therefore driven to the necessity of taking up arms, to repel force by force, and to defend
How did roman law maintain order and provide security for the entire society