
Rounding


Online Activities 
Rounding
Seashells  Look at the number on each shell. Click
on the nearest ten. Collect a sand dollar each time you choose
the correct answer. Keep track of how many sand dollars you
get. 
Rounding
Sharks  Round numbers to the nearest hundred.
First click the game to start. Then click the shark with the
answer, to have it blast into pieces. If you act slow, the sharks
will catch the goldfish and you loose. Avoid clicking the wrong
shark because it will send it to the goldfish. Blast 20 sharks
to be a win. 
Connect
Four  You choose addition or multiplication, choose
time, level and pick "close" for estimation. Start
game and click ready then round numbers in your head and add
or multiply. If you answer correctly click the column you want
to put your chip into. Connect four and win! 
Estimator
Quiz  You choose addition or multiplication, choose
time, level and pick "close" for estimation. Start
game and click ready then round numbers in your head and add
or multiply. 


Rounding


Online Activities 
Rounding
Flash Cards  You pick numbers between one hundred
and ten million to round and computer will ask you the to
round to nearest ten or hundred. Keeps a percentage score
for you. 
Rounding
Practice  Houghton Mifflin Math book has a simple
multiple choice rounding practice. (Tens & hundreds). 
Basic
Rounding Practice  You choose what you want
to round to nearest ten, hundred or thousand as well as the
minimum and maximum number. 
Estimating
Machine  The machine will show you a bunch of
numbers. You need to type in an estimate of what those numbers
would add up to. You have 60 seconds to give your estimate!
The secret to solving this puzzle is to round the numbers
before adding them together. 
Round
Off  Practice Rounding to the nearest unit,
ten and hundred. Deals with decimals to the tenth. 
Bingo
Rounding  Round numbers up to thousands to the
nearest ten and the nearest hundred . 

