menu
Qammunity.org
Login
Register
My account
Edit my Profile
Private messages
My favorites
Explain how to find 40 X 50 using mental math
Ask a Question
Questions
Unanswered
Tags
Ask a Question
Explain how to find 40 X 50 using mental math
asked
Mar 23, 2017
168k
views
5
votes
Explain how to find 40 X 50 using mental math
Mathematics
middle-school
Arkadiusz Raszeja
asked
by
Arkadiusz Raszeja
8.1k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
2
Answers
5
votes
first do 4x5 and then times by a hundred.
4x5=20
20×100=2000
so just add on the 2 zeros
Zenzer
answered
Mar 26, 2017
by
Zenzer
7.7k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
6
votes
just do 4 times 5 which is 20 and then add 2 more zeros and you get 2000
Jeff Doolittle
answered
Mar 29, 2017
by
Jeff Doolittle
8.0k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
No related questions found
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Categories
All categories
Mathematics
(3.7m)
History
(955k)
English
(903k)
Biology
(716k)
Chemistry
(440k)
Physics
(405k)
Social Studies
(564k)
Advanced Placement
(27.5k)
SAT
(19.1k)
Geography
(146k)
Health
(283k)
Arts
(107k)
Business
(468k)
Computers & Tech
(195k)
French
(33.9k)
German
(4.9k)
Spanish
(174k)
Medicine
(125k)
Law
(53.4k)
Engineering
(74.2k)
Other Questions
How do you can you solve this problem 37 + y = 87; y =
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity.org