Read
each problem carefully
then solve by ESTIMATING.
(You may want to do your
work and
write
your answers down on a piece of paper.)
Check your answer and
read the explanation
by clicking on the box.
Danielle wants to fill her swimming pool.
It holds no more than 23 gallons of water.
If her bucket holds 2 gallons,
how many will she need to fill without
overflowing the pool?
If there is complete sunshine
for a total of 470 minutes,
'About' how many hours of complete sunshine was
there?
Cody is doing yard work for his dad.
He is working for about 50 minutes a day.
If he works for 3 days,
'about' how many hours will he work altogether?
Carl has math homework.
He has to do 4 rows of problems.
There are 9 problems in each row.
If he can do 10 problems every 15 minutes, 'about' how long will it take Carl to finish his
homework?
There are 9 groups at the beach.
The groups have an average of 18 people each.
If the beach is supposed to have 2 lifeguards for every
150 people, how many lifeguards should be on duty?
Jimmy is bowling for his very first time.
If he knocks down an average of 8 pins every frame,
how many pins total would he knock down in ten frames?
There are 5 groups in the talent contest.
Each group plays 3 songs.
Each song is about 3 minutes long.
About how long will the contest last?
Maggie is painting a sunset.
She uses five colors, and 2 tubes of each color.
If each tube of paint costs $4,
how much will she spend on the paint?
