Common Core: 1st Grade Math : Use the Unknown-Addend to Subtract: CCSS.MATH.CONTENT.1.OA.B.4

Example Questions

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Example Question #49 : Common Core Math: Grade 1

What can we add to  to get

Explanation:

or as a subtraction problem, .

Example Question #43 : Operations & Algebraic Thinking

What can we add to  to get to

Explanation:

or as a subtraction problem, .

Example Question #1 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get

Explanation:

or as a subtraction problem, .

Example Question #52 : Operations & Algebraic Thinking

What can we add to  to get to

Explanation:

or as a subtraction problem, .

Example Question #2 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get to

Explanation:

or as a subtraction problem, .

Example Question #3 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get to

Explanation:

or as a subtraction problem, .

Example Question #4 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get

Explanation:

or as a subtraction problem, .

Example Question #5 : Use The Unknown Addend To Subtract: Ccss.Math.Content.1.Oa.B.4

What can we add to  to get to

Explanation:

or as a subtraction problem, .

Example Question #57 : Operations & Algebraic Thinking

What can we add to  to get

Explanation:

or as a subtraction problem, .

Example Question #58 : Operations & Algebraic Thinking

What can we add to  to get to