Standard—2.OA.1 Use addition and subtraction within 100 to solve one- and two-step word problems involving situations of adding to, taking from, putting
together, taking apart, and comparing, with unknowns in all positions, e.g., by using drawings and equations with a symbol for the unknown number to
represent the problem.1
1
See glossary, Table 1 page 88 in Common Core State Standards
OVERALL STANDARD TYPE K R PS P
LEDGEND FORMATIVE ASSESSMENT
STANDARD TYPE (F.A.T.)
K=KNOWLEDGE S.R.=SELECTED RESPONSE
R=REASONING E.W.=EXTENDED WRITTEN RESPONSE
P.S. PERFORMANCE SKILL P.A=PERFORMANCE ASSESSMENT
P= PRODUCT P.COM.=PERSONAL COMMUNICATION
Identify the unknown in an addition or TYPE I CAN STATEMENTS F.A.T. FORMATIVE ASSESSMENT
subtraction word problem K I can identify the unknown in an addition Word problem solving practices-Begin
word problem. This means I can find the with setting equations up for students to
missing number in an addition word problem solve with missing numbers in all
that will make the answer correct. positions for the word problem. Move
I can identify the unknown in a subtraction toward students setting up their own
word problem. This means I can find the equations to solve word problems using
missing number in a subtraction word drawings when needed. Use the terms
problem that will make the answer correct. adding to, taking from, putting together,
taking apart, and comparing.
Write an addition and subtraction equation K I can write an addition equation with a symbol
with a symbol for the unknown for the unknown. This means I can write a
number sentence using a symbol for the
missing number.
I can write a subtraction equation with a
symbol for the unknown. This means I can
write a number sentence using a symbol for
the missing number.
Use drawings or equations to represent one- R I can use drawings or equations to represent
and two-step word problems one-step word problems. This means I can use
drawings or number sentences to show one-
step word problems.
I can use drawings or equations to represent
two-step word problems. This means I can use
drawings or number sentences to show two-
step word problems.
Add and subtract within 100 to solve one- R I can add to 100 to solve one-step word
step word problems with unknowns in all problems with unknowns in all positions. This
positions means I can add numbers to 100 to answer
one-step word problems with missing
numbers.
I can subtract to 100 to solve one-step word
problems with unknowns in all positions. This
means I can subtract numbers to 100 to
answer one-step word problems with missing
numbers.
Add and subtract within 100 to solve two- R I can add to 100 to solve two-step word
step word problems with unknowns in all problems with unknowns in all positions. This
positions means I can add numbers to 100 to answer
two-step word problems with missing
numbers.
I can subtract to 100 to solve two-step word
problems with unknowns in all positions. This
means I can subtract numbers to 100 to
answer two-step word problems with missing
numbers.
Determine operation needed to solve R I can decide whether to add or subtract to
addition and subtraction problems in solve addition and subtraction word problems
situations including add to, take from, put using phrases add to, take from, put together,
together, take apart, and compare take apart, and compare.
Vocabulary
Unknown, word problem,, missing number, addition, subtraction, equations, drawings, number sentence, add, subtract, one-step, two-step, add to, take from, put
together, take apart, compare, symbol, solve
Activities & Resources