Explain how modeling partial products cans be used to find products of greater numbers

Question

16-10-2019
Mathematics

contestada

Explain how modeling partial products cans be used to find products of greater numbers

Respuesta :

Otras preguntas

A grade has 81 girls and 72 boys. The grade is spilt into groups that have the same ratio of boys to girls as the whole grade. How many girls are in a group tha

solve using substitution, y=2x+5 y=6x+1

solve using elimination, 2x+5y=2 3x-5y=53

solve using substitution, y=2x+5 y=6x+1

solve using elimination, 2x+5y=2 3x-5y=53

3. The value of the expression 5.104 + 4.103 + 7.10 + 1 is equal to:

Describe how the Hawaiian Islands were formed and how they are evidence for mantle plumes.

What are 3 physical properties of aluminum foil

How do plant populations in a community change over time?

exodus13 exodus13 · Answer 1 · 2019-10-16T01:17:01+02:00

exodus13 exodus13

16-10-2019

It is easier to multiply. For example: 63 multiply by 7
63 x 7 = (60+3) x 7 = 60 x 7 + 3 x 7 = 420 + 21 = 441

Another example : 25 x 73
25 x 73 = (20+5) x (70+3) = 20 x 70 + 20x3 + 5x70 + 5x3

= 1400 + 60 + 350 + 15 = 1875

Answer Link