Cluster Summary for: Work with equal groups of
objects to gain foundations for multiplication.
2.OA.3 - 2.OA.4
Grade Level: (enter grade level)
SCALE
Domain: OPERATIONS AND ALGEBRAIC THINKING
Cluster Priority: (check) _X_ Major Cluster
TRIMESTER 1
__ Supporting Cluster __ Additional Cluster
TRIMESTER 2
TRIMESTER 3
4: Advanced
In addition to score 3, in-depth inferences and applications go beyond Mathematics, are applied to other disciplines, and are utilized in real-world contexts.
3: Proficient
Determine whether a group of objects
Determine whether a group of objects
Determine whether a group of
The student exhibits no major errors or
up to 20 is odd or even, by pairing
up to 20, is odd or even by pairing
objects up to 20, is odd or even by
omissions.
objects or counting by 2's.
objects or counting by 2's. Using
pairing objects or counting by 2's.
manipulatives, demonstrate an equation Write an equation using 2 equal
Using manipulatives, demonstrate
using 2 equal addends to show an even
addends to show an even sum.
repeated addition of 2's to find the
sum.
total number of objects arranged in
Use repeated addition to find the
rectangular arrays that are 2X1 through Using manipulatives, demonstrate
total number of objects arranged in
2X5.
repeated addition to find the total
rectangular arrays up to 5X5. Write
number of objects arranged in
an equation using equal addends to
rectangular arrays up to 5X5.
show the sum of the array.
Proficiency Example
2: Partially Proficient
There are no major errors or omissions regarding the simpler details and processes as the student recognizes or recalls terminology and performs basic processes.
However, the student exhibits major errors or omissions regarding the more complex ideas and processes.
1: Novice
With help, a partial understanding of some of the simpler details and processes and some of the more complex ideas and processes.
0: No Evidence
Even with help, no understanding or skill demonstrated.
Mathematical Practices Best Taught in this Cluster: (check those that apply)
__ Make sense of problems & preserve in solving them __ Reason abstractly & quantitatively __ Construct viable arguments & critique the reasoning of others
__Model with mathematics __Use appropriate tools strategically __Attend to precision __Look for and make use of structure __Look for & express regularity in
repeated reasoning
Key Vocabulary for the Cluster: