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1st Grade Three-digit Addition Worksheets and Activities
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Math
Three-digit addition
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Adding 3 numbers with missing addend - Jungle
Level
Grade
1st Grade
Topic
Addition
Adding 3 numbers with missing addend - Jungle
Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. In this worksheet, the student needs to find the missing number in each equation. Worksheet instructions: Find the missing number in each problem.
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Adding 3 numbers with missing addend - Space
Level
Grade
1st Grade
Topic
Addition
Adding 3 numbers with missing addend - Space
Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. In this worksheet, students need to find the missing number in each equation. Worksheet instructions: Find the missing number in each problem.
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Adding 3 numbers with missing addend - Desert
Level
Grade
1st Grade
Topic
Addition
Adding 3 numbers with missing addend - Desert
In this worksheet, the student needs to find the missing number in each equation. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.
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Adding 3 numbers with missing addend - Ocean
Level
Grade
1st Grade
Topic
Addition
Adding 3 numbers with missing addend - Ocean
Students need to find the missing number in each equation. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.
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Adding 3 numbers with missing addend - Picnic
Level
Grade
1st Grade
Topic
Addition
Adding 3 numbers with missing addend - Picnic
In this worksheet, students need to find the missing number in each equation. Missing addend exercises reinforce the concept of addition and are a great tool for practicing addition facts. Worksheet instructions: Find the missing number in each problem.
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Add two 3-digit numbers in columns - Sun Shades
Level
Grade
1st Grade
Topic
Addition
Add two 3-digit numbers in columns - Sun Shades
Worksheet instructions: Find the sum for each addition problem (with regrouping).
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