... finish the album pages.
1
After their snacks, Julia and Grandfather decide not to return to
organizing the stamp collection together. Instead, they decide to split
up the remaining work. They ... You put 48 stamps
on each page. Draw the different ways you can arrange the
stamps. Explain which way you think looks best and why.
Putting the
World on a Page
Math Concept...
... through the station
and the times the trains stop. This information is called
a schedule, and schedules are available on paper, on the
Internet, and on monitors and boards at the stations.
... this photo of Union Station in the nation’s
capital. Study the image from floor, to ceiling and notice
everything from the octagons in the ceiling arches to the
angles i...
... back to the gym.
12 ÷ 3 = 4; 4 bottles for each student to carry back to the
gym.
They each pick up their four bottles. They notice there is
one bottle of water left on the floor.
13
There are ... the new juice machine. They tell
Howard that they are looking forward to having cold drinks
each day. They appreciate the hard work Howard does for the
students.
The students te...
... Edit.
afternoon the part of day between noon
and sunset
evening the end of the day and the first
part of night
morning the beginning of the day that
starts when the sun rises
night the end of the day ... PROOF
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1
2
3
4
5
6
7
8
9
10
11
12
1...
... join them on the stage. Naturally, Diego feels a bit
nervous with all this attention, but the students are eager
to answer his questions. Soon Diego becomes so involved
in the discussion he ... AM
DIGITAL FINAL PROOF
Diego gathers information about the homework club.
Diego thanks the artists for their time and then makes
his way to the library. As Diego approaches the d...
... paint the entire body of the
car. The price of the groovy green paint is $3.55 per container.
Elizabeth is quite sure she only has enough to purchase one
other color. The paints do not cost the ... purchase, and then she and her dad
look through the newspaper advertisements for lumber stores.
One store advertises a sale on all their wood supplies, while
the other advert...
... almost
over. The walkers and runners finish their last laps.
As they come off the track, they drink some cool
water and stretch in the shade. Mr. Leonard gathers
all the students together. “It’s ... FINAL PROOF
The first group reads the problem Mr. Leonard gave
them. It is 4 +
˙
= 10. The second group takes a look at
their problem, too. It is 10 –
˙
= 4. The students d...
... AREFEETFEETFEETANDFEET,ABEL THE
DRAWINGWITH THE LENGTHSOF THE SIDESOF THE PERIMETER
4HENCALCULATE THE PERIMETER%XPLAINHOWYOU
CALCULATED THE PERIMETER
Math Concept Reader
&IGHTING
&IREWITH&IRE
... or the
border, of the location being burned and keep a very
close eye on burning embers. They want to make sure
the fire doe...
... PROOF
Math Concept Reader
Doubles Fun
on the Farm
ca21os_lay_070107ac_cr.indd 1 1/8/07 6:03:52 PM
DIGITAL FINAL PROOF
Next, the cousins visit the chickens in the
chicken coop. Some of the chickens ... PROOF
Math Concept Reader
Doubles Fun
on the Farm
by Joan Freese
Photographs by Russell Pickering
Max lives in the city with his family. He
plans to visit his cou...