comer1 comer1
  • 28-09-2016
  • Mathematics
contestada

used mental strategies to add the two numbers on a number line 45+48 =

Respuesta :

Аноним Аноним
  • 28-09-2016
In your head you can think 40 as 4 and then add 4+4 which equals 8 so then 40+40= 80 then 5+8=13 so then 80+13=93
Answer Link

Otras preguntas

Which type of region is usually organized by political or physical boundaries?
Add (1.3t3 + 0.4t2 – 24t) + (8 – 18t + 0.6t2) For each term in the second polynomial, enter the letter showing where that term should be placed to add the polyn
Which type of rock can be either foliated or nonfoliated?
Home heating costs and outside temperatures for 15 families are shown in the scatterplot below.Which statement BEST describes these data?There is a constant cor
How many delegates does democratic nominee need?
What are square roots used for inreal life?
Who was the mayflower hunter and why was he called that
What statement describes the synapse
What nutrient makes up the greatest percentage of the body?
What is the primary method of immigrants becoming assimilated into american society?