InkLoop/NYS Standards/NY-2.OA.2NY-2.OA.2
2nd GradeOperations and Algebraic Thinking50 target questions
Fluently add and subtract within 20 using mental strategies. By end of Grade 2 know from memory all sums of two one-digit numbers.
Sample Practice Questions (3)
1
Look at the ducks shown below. How many ducks are there in total?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
Look at the tape diagram below. What is the value of the missing part?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
Look at the number bond below. What is the missing part?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
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NY-2.OA.1Use 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.→NY-2.OA.3Determine whether a group of objects (up to 20) has an odd or even number of members by pairing objects or counting them by 2s.→NY-2.OA.4Use addition to find the total number of objects arranged in rectangular arrays with up to 5 rows and up to 5 columns; write an equation to express the total as a sum of equal addends.→NY-2.NBT.1Understand that the three digits of a three-digit number represent amounts of hundreds tens and ones. Understand 100 can be thought of as a bundle of ten tens called a hundred.→