EQUAL:
the same as
label units
2 cats + 3 dogs = 5 pets
PLUS:
join
Careful and clear mathematicians use…
!
Mathematical practice 6
Jordan School District 2012, Grades K-1
• addition and subtraction
strategies
• labels
• symbols
• math vocabulary
I can be careful when I use math
and clear when I share my ideas.
Clip art licensed from the Clip Art Gallery on DiscoverySchool.com
!
Attend to precision.
!
EQUAL:
the same as
Clip art licensed from the Clip Art Gallery on DiscoverySchool.com
units of measure:
CENTS
23¢ + 52¢ = 75¢
PLUS:
join
symbols
Jordan School District 2012, Grades 2-3
• calculations that are accurate
and efficient
• units of measure
• context labels
• symbols that have meaning
• math vocabulary
I can be precise when solving
problems and clear when I share
my ideas.
Mathematical practice 6
Careful and clear mathematicians use…
!
Attend to precision.
!
I can be precise when solving
problems and clear when
communicating my ideas.
Mathematical practice 6
units of
measure
48 inches = 4 feet
equal
(the same as)
symbol:
Clip art licensed from the Clip Art Gallery on DiscoverySchool.com
!!!!
!
!
Jordan School District 2012, Grades 4-5
• calculations that are accurate
and efficient
• units of measure
• context labels
• symbols that have meaning
• math vocabulary with clear
definitions
Mathematicians communicate with others using…!!!
!
Attend to precision.
!
I can use precision when solving
problems and communicating my
ideas.
Mathematical practice 6
Clip art licensed from the Clip Art Gallery on DiscoverySchool.com
units of
measure
context
1
1
lb. of chocolate each
lb.
÷
3
people
=
2
6
symbols
How much chocolate will each person get if 3
people share 1/2 lb. of chocolate equally?
Jordan School District 2012, Grade 6
• calculations that are accurate
and efficient
• units of measure
• context labels
• symbols that have meaning
• math vocabulary with clear
definitions
Mathematicians attend to precision by using…
!
Attend to precision.