1st Grade Addition Within 100 Worksheets and Activities

In this addition worksheet, students practice finding missing numbers in equations with sums up to 100. This worksheet helps reinforce basic addition skills and boosts mental math abilities. Worksheet instructions: Find the missing number in each problem below (no regrouping needed).

In this addition worksheet, students practice finding missing numbers in equations with sums up to 100. This worksheet helps reinforce basic addition skills and boosts mental math abilities. Worksheet instructions: Find the missing number in each problem below (no regrouping needed).

In this addition worksheet students practice addition within 100 by finding missing numbers in equations. It reinforces number relationships and place value. Worksheet instructions: Find the missing number in each problem.

This addition worksheet helps students practice addition within 100 by finding missing numbers in equations. It reinforces number relationships and place value. Worksheet instructions: Find the missing number in each problem.

This Place Value worksheet helps students practice adding whole tens and ones by finding the missing addend in each equation, reinforcing their understanding of place value and basic addition skills. Worksheet instructions: Find the missing numbers in each of the given problems.

This worksheet helps students practice adding whole tens and ones to build their understanding of place value and basic addition skills. 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 worksheet helps kids understand what each digit in a two-digit number means. Worksheet instructions: Draw a circle around each set of 10 blocks. Then, redraw the blocks as sets of ten and write the total number of blocks.

In this worksheet, the student needs to group the blocks into sets of ten and any leftover ones. This helps kids understand what each digit in a two-digit number means. Worksheet instructions: Draw a circle around each set of 10 blocks. Then, redraw the blocks as sets of ten and write the total number of blocks.

In this worksheet, students need to group the blocks into sets of ten and any leftover ones. This helps kids understand what each digit in a two-digit number means. Worksheet instructions: Draw a circle around each set of 10 blocks. Then, redraw the blocks as sets of ten and write the total number of blocks.

Worksheet instructions: How many tens and ones? Fill in the missing numbers in the box.

Worksheet instructions: Complete each fact family by writing 4 facts with the given numbers.

Worksheet instructions: Complete each fact family by writing 4 facts with the given numbers.

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.

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.

Kids love this Addition Chart Printable - an excellent way to demonstrate patterns of addition. Students can check for themselves that adding, for example, 5+4 gives the same result as 4+5. Simply print, and learn!