First Grade Operations and Algebraic Thinking Tasks

Represent and solve problems involving addition and subtraction. (1.OA.1 - 1.OA.2)


1.OA.1 Use addition and subtraction within 20 to solve word problems involving situations of adding to, taking from, putting together, taking apart, and comparing, with unknowns in all positions, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

(See Glossary, Table 1).



Additional

Standards Assessed

Problem-Type

Task

Student Form

1.OA.3, 1.OA.6



1.OA.3, 1.OA.6



1.OA.6
Add to/Change Unknown


1.OA.4, 1.OA.6
Add to/Change Unknown


1.OA.6
Add to/Change Unknown


1.OA.4, 1.OA.6
Add to/Change Unknown


1.OA.4, 1.OA.6
Put Together-Take Apart/
Addend Unknown


1.OA.4, 1.OA.6
Put Together-Take Apart/
Addend Unknown


1.OA.4, 1.OA.6
Put Together-Take Apart/
Addend Unknown


1.OA.6
Take From/Change Unknown


1.OA.6
Take From/Change Unknown


1.OA.6
Take From/Change Unknown


1.OA.6
Take From/Change Unknown


1.OA.6
Compare/Difference Unknown-
“How many more” version


1.OA.6
Compare/Difference Unknown-
“How many more” version


1.OA.6
Compare/Difference Unknown-
“How many more” version


1.OA.6
Compare/Difference Unknown-
“How many more” version


1.OA.6
Compare/Bigger Unknown


1.OA.6
Compare/Bigger Unknown


1.OA.6
Compare/Bigger Unknown


1.OA.6
Compare/Bigger Unknown


1.OA.6
Compare/Difference Unknown-
“How many fewer?” version


1.OA.6
Compare/Difference Unknown-
“How many fewer?” version


1.OA.6
Compare/Difference Unknown-
“How many fewer?” version


1.OA.6
Compare/Difference Unknown-
“How many fewer?” version


1.OA.6
Put together-Take Apart/
Both Addends Unknown


1.OA.6
Put together-Take Apart/
Both Addends Unknown


1.OA.6
Put together-Take Apart/
Both Addends Unknown


1.OA.6
Compare/Smaller Unknown-
Version with “fewer”


1.OA.6
Compare/Smaller Unknown-
Version with “fewer”


1.OA.6
Compare/Smaller Unknown-
Version with “fewer”



1.OA.2 Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20, e.g., by using objects, drawings, and equations with a symbol for the unknown number to represent the problem.

Additional

Standards Assessed

Task

Student Form

1.OA.3


1.OA.3


1.OA.3