Missing Addend: 2-Digit + 1-Digit Column Addition (Grade 2)
Browse 6 Missing Addend: 2-Digit + 1-Digit Column Addition (Grade 2) worksheets for Grade 1 Math. These Addition worksheets are designed to give students targeted practice and build confidence in math.
Choose from Easy, Medium, Hard worksheets in this collection. Use the PDF and Key buttons to see available downloads. Pro labels indicate membership access; account requirements are shown when you download.
Whether you're a teacher looking for addition practice problems, a homeschool parent building a Grade 1 curriculum, or a tutor helping a student catch up, choose an available worksheet that matches what your student is practising.
Preview
Tap to open PDF
Prerequisites
Practice Questions
- 56 + 0 = ?
Show answer
64
- 43 + 0 = ?
Show answer
49
- 72 + 0 = ?
Show answer
79
- 35 + 0 = ?
Show answer
40
- 68 + 0 = ?
Show answer
75
Preview
Click to preview collection
Quick Tip
Teacher Resources
Teaching Notes
This collection helps students understand the relationship between addition and subtraction by finding a missing addend. Encourage students to 'think addition' or use inverse operations to solve. Emphasize place value when working with columns.
Vocabulary
Common Mistakes
- Confusing the roles of addends and sum.
- Miscalculating basic addition/subtraction facts required to find the missing part.
- Not recognizing the 'missing part' as a subtraction problem in disguise.
Differentiation
Discussion Questions
- How can knowing addition facts help you find a missing number?
- If you know the sum and one addend, what operation can you use to find the other addend?
- How is this problem like a puzzle?
Extension Activities
- Use number bonds.
- Create missing addend problems.
- Use a number line to solve.
Parent Tip
Use objects: 'I have 5 apples, and now I have 8. How many did I get?'
Learning Path
Skill Cluster
Number Operations & Algebraic Thinking
Estimated Time
15 minutes