Addition: Missing Number - Multiples of 100
Browse 6 Addition: Missing Number - Multiples of 100 worksheets for Grade 3 Math. These Addition worksheets are designed to give students targeted practice and build confidence in math.
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Whether you're a teacher looking for addition practice problems, a homeschool parent building a Grade 3 curriculum, or a tutor helping a student catch up, choose an available worksheet that matches what your student is practising.
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What to Do Next
Practice Questions
- ? + 300 = 700
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400
- 500 + ? = 900
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400
- ? + 200 = 600
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400
- 300 + ? = 800
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500
- ? + 400 = 1,000
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600
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Quick Tip
Teacher Resources
Teaching Notes
Focus on using place value understanding and the inverse relationship between addition and subtraction. Encourage mental math strategies for multiples of 100.
Vocabulary
Common Mistakes
- Confusing the operation needed to find the missing number.
- Errors in skip counting by 100s or basic addition/subtraction facts.
- Not understanding the concept of a missing addend or sum.
Differentiation
Discussion Questions
- What strategies did you use to find the missing number?
- How is finding a missing addend related to subtraction?
- Can you explain why adding hundreds is like adding ones?
- How can you check your answer to make sure it's correct?
Extension Activities
- Find missing numbers.
- Use a number line.
- Work with larger numbers.
Parent Tip
Give your child 5 toys, tell them the total should be 8, and ask how many more are needed.
Learning Path
Skill Cluster
Number Sense and Operations
Estimated Time
15 minutes