InkLoop/NYS Standards/NY-1.OA.8NY-1.OA.8
1st GradeOperations and Algebraic Thinking50 target questions
Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
Sample Practice Questions (3)
1
The tape diagram shows a total of . What number belongs in the box to make the equation true?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
2
Look at the number bond below. What is the missing number that makes the equation true?
A
B
C
D
Multiple choice · diagramSee Answer + Explanation →
3
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NY-1.OA.1Use 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.→NY-1.OA.2Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20.→NY-1.OA.3Apply properties of operations as strategies to add and subtract. Understand commutative and associative properties of addition.→NY-1.OA.4Understand subtraction as an unknown-addend problem. Solve subtraction problems by thinking about what number adds to the subtrahend to get the minuend.→