sotodiana66owup7t sotodiana66owup7t

18-10-2017
Mathematics

contestada

explain how you use the break away strategy to find 247+358

Respuesta :

Thekawaiicake Thekawaiicake

19-10-2017

This is taught as a mental math strategy typically breaking each addended to tens and ones, meaning 200+300 = 500
Then add the rest like 47+58
40+50= 90
7+8 = 15

Answer Link

Otras preguntas

Please help. Problem Solving in Geometry with Proportions

please help me, giving 20 points for answers!!

Pablo tiene $150 pesos, se gastó la tercera parte de su dinero el domingo, y el lunes se gastó las 2/5 partes.¿Cuánto dinero gastó en total?

City A is 350 miles due south of City B. City C is 500 miles due east of City B. What is the measure of Zc to the nearest degree? 50 il pls help me

find the HCF of the following numbers by an appropriate method: 1) 2394;3395

John Smith’s leadership style is one that will not ask others to do what he is not willing to do himself. He also says, ―He that will not work shall not eat.‖ a

Please help, explain the best you can!

1.)The ratio of the number of boys and girls in class is 10:7. If there are 35 girls, find the number of boys.

Sam needs to study for an upcoming test in his business law course. His roommate is driving him crazy by singing and whistling. Sam heads for the library and fi

Help me pleaseee 1. Find the product of -3x^3 + 2x – 4 and 3x – 2 2. Is the product of -3x^3 + 2x – 4 and 3x – 2 equal to the product of -3x^3 + 2x – 4 and 2x-3