1st Grade Multi-digit Addition Worksheets and Activities

In this addition worksheet, students practice adding 3-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.

This worksheet helps students practice adding 3-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.

This worksheet helps students practice adding two 2-digit numbers in columns (without carrying or regrouping). Worksheet instructions: Find the sum for each addition problem.

This worksheet helps students practice adding two 2-digit numbers in columns without carrying or regrouping. Worksheet instructions: Find the sum for each addition problem.

In this worksheet, the student needs to find the missing number in each problem. 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.

In this worksheet, students need to find the missing number in each 4-digit addition problem. 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.

In this worksheet, students need to find the missing number in each four-digit addition problem. 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.

Worksheet instructions: Find the sum for each problem below.

Worksheet instructions: Find the sum for each addition problem.

Worksheet instructions: Find the sum for each problem.

Worksheet instructions: Write the sum for each problem.

Worksheet instructions: Find the sum for each problem.

This word problems worksheet focuses on simple addition. Students are presented with real-life situations where they need to calculate the answers to word problems using addition. Worksheet Instructions: Read each problem carefully, then write your answers in the space provided.

This worksheet focuses on simple addition word problems. Students need to focus on solving real-life situations using addition. Worksheet Instructions: Read each problem carefully, then write your answers in the space provided.

This word problems worksheet focuses on simple addition. Students need to focus on solving real-life situations using addition. Worksheet Instructions: Read each problem carefully, then write your answers in the space provided.

This ten frames worksheet is excellent for helping students learn how numbers add up to 20. Worksheet instructions: Count the counters in each ten frame, then add them.

This ten frames worksheet helps students learn how numbers add up to 20 using ten frames. Worksheet instructions: Count the counters in each ten frame, then add them.

This 10 frames worksheet helps students learn how numbers add up to 20 using ten frames. Worksheet instructions: Count the counters in each ten frame, then add them.

This worksheet helps students improve their math skills by adding two numbers with sums of 20 or less. Worksheet instructions: Solve each addition problem.

Worksheet instructions: Find the sum for each problem.

Worksheet instructions: Add or subtract to find the missing number for each problem.

Worksheet instructions: Find the missing number for each problem. If both boxes are empty, fill in both numbers.

Worksheet instructions: Find the missing number for each problem. If both boxes are empty, fill in both numbers.

Worksheet instructions: Find the missing number for each problem. If both boxes are empty, fill in both numbers.

Worksheet instructions: Find the missing number for each problem. If both boxes are empty, fill in both numbers.