1st Grade Number and Operations Worksheets

Cazoom Math 1st Grade Number and Operations Worksheets will help young learners master essential counting and calculation skills. Created by our team of US curriculum experts, these resources support teachers and parents in guiding elementary students through early number concepts. Each of these worksheets develops specific skills, ranging from basic counting to understanding place value. Students work with numbers up to 100 and beyond through engaging practice problems. The collection aligns with Common Core standards for first-grade mathematics. Visual supports and number lines make abstract concepts concrete for young minds. Our worksheets will provide the extra help your child needs with basic number and operation skills, but in a fun and engaging way!

Add Mixed Numbers with the Same Denominator

Add Mixed Numbers with the Same Denominator worksheet

Adding and Subtracting Decimals

Adding and Subtracting Decimals Worksheet Suitable for Students in 5th Grade and 6th Grade

Calculating with Recurring Decimals

Calculating with Recurring Decimals Worksheet suitable for 8th Grade students

Colourful Equivalances (A)

Colourful  Equivalances Worksheet suitable for students in 6th Grade

Comparing Decimals (A)

Comparing Decimals (A) Worksheet Suitable for Students in 5th Grade

Comparing Fractions

Comparing Fractions worksheet

Compound Interest

Compound  Interest Worksheet suitable for students learning Algebra I

Compound Interest - Problem Solving

Compound Interest - Problem Solving Worksheet Suitable for Students in IM 1 and Algebra II

Converting Fractions, Decimals, and Percents (A)

Converting Fractions, Decimals, and Percents (A) Worksheet Suitable for Students in 6th Grade.

Converting Fractions, Decimals, and Percents (B)

Converting Fractions, Decimals, and Percents Worksheet suitable for students in 6th Grade

Converting Fractions, Decimals, and Percents (C)

Converting  Fractions, Decimals, and Percents Worksheet suitable for students in 6th  Grade

Converting Percents to Decimals

Converting  Percents to Decimals Worksheet suitable for students in 7th Grade

Converting Repeating Decimals to Fractions

Converting  Repeating Decimals to Fractions Worksheet suitable for students in 8th Grade

Converting Repeating Decimals to Fractions Using Algebraic Method

Converting  Repeating Decimals to Fractions Using Algebraic Method Worksheet suitable for  students in 8th Grade

Decimal Place Value With Decomposition

Decimal Place With Decomposition Worksheet Suitable for Students in 5th Grade

Decimal Sums to 1

Decimal Sums to 1 worksheet

Decimals on a Number Line - Beyond 1

Decimals on a Number Line Worksheet Suitable for Students in 5th Grade

Decimals on a Number Line - Up to 1

Decimals on a Number Line - Up to 1 Worksheet suitable for 4th Grade students

Depreciation

Depreciation Worksheet Suitable for Students in Algebra II and IM 2

Dividing by Decimals

Dividing Mixed Numbers Worksheet Suitable for Students in 6th Grade and 7th Grade

Dividing Mixed Numbers

Dividing Mixed Numbers Worksheet suitable for 6th Grade and 7th Grade students

Estimating (A)

Estimating  Worksheet suitable for students in 5th Grade

Estimating Shopping Bills

Estimating Shopping Bills Worksheet Suitable for Students in 5th Grade

Estimating Square Roots

Estimating Square Roots worksheet

Estimating with Radicals and Decimals

Estimating  with Radicals and Decimals Worksheet suitable for students in 8th Grade

Estimation - Multiplication and Division

Estimation  - Multiplication and Division Worksheet suitable for students in 5th Grade

Finding Equivalent Fractions, Decimals, and Percents (A)

Finding  Equivalent Fractions, Decimals, and Percents Worksheet suitable for students  in 6th Grade

Finding Equivalent Fractions, Decimals, and Percents (B)

Finding  Equivalent Fractions, Decimals, and Percents Worksheet suitable for students  in 6th Grade

Finding Fractional Amounts

Finding Fractional Amounts Worksheet Suitable for Students in 5th Grade and 6th Grade

Finding fractions of a set of objects (A)

Finding fractions of a set of objects (A) Worksheet Suitable for Students in 3rd Grade

Finding fractions of a set of objects (B)

Finding fractions of a set of objects (B) Worksheet Suitable for Students in 3rd Grade

Finding fractions of a set of objects (C)

Finding fractions of a set of objects (C) Worksheet Suitable for Students in 3rd Grade

Finding fractions of a set of objects (D)

Finding fractions of a set of objects (D) Worksheet Suitable for Students in 3rd Grade

Finding Fractions of Amounts

Finding Fractions of Amounts Worksheet Suitable for Students in 5th Grade and 6th Grade

Fraction - Increase and Decrease

Fraction - Increase and Decrease Worksheet suitable for 5th Grade students

Fraction Equivalence - 1/2 and 2/4

Fraction Equivalence - 1/2 and 2/4 Worksheet Suitable for Students in 3rd Grade and 3rd Grade

Fractions, Decimals and Percentages (A)

Fractions,  Decimals and Percentages Worksheet suitable for students in 6th Grade

Fractions, Decimals, and Percents (A)

Fractions,  Decimals, and Percents Word Problems Worksheet suitable for students in 6th  Grade

Fractions, Decimals, and Percents (B)

Fractions,  Decimals, and Percents Worksheet suitable for students in 6th Grade

Fractions, Decimals, and Percents (C)

Fractions,  Decimals, and Percents Word Problems Worksheet suitable for students in 6th  Grade

Fractions, Decimals, and Percents (D)

Fractions,  Decimals, and Percents Worksheet suitable for students in 6th Grade

Fractions, Decimals, and Percents Word Problems

Fractions,  Decimals, and Percents Worksheet suitable for students in 6th Grade

Interest Comparisons

Interest Comparisons Worksheet Suitable for Students in IM 1 and Algebra II

Lower and Upper Bounds when Rounding

Lower  and Upper Bounds when Rounding Worksheet suitable for students in 5 th Grade

Mental Percentages

Cazoom Math. Percentages. Mental Percentages Worksheet Suitable for Students in 7th Grade.

Money Problems (B)

Money Problems B Worksheet suitable for 5th Grade and 6th Grade students

Multiplying and Dividing by 10, 100 and 1,000 Codebreaker

Multiplying and Dividing by 10, 100 and 1,000 Codebreaker Worksheet sutiable for 5th Grade students

Ordering Fractions, Decimals, and Percents (A)

Ordering Fractions, Decimals, and Percents (A) worksheet

Ordering Fractions, Decimals, and Percents (B)

Ordering  Fractions, Decimals, and Percents Worksheet suitable for students in 6th  Grade

Partitioning Decimals - Tenths and Hundredths (A)

Partitioning Decimals - Tenths and Hundredths (A)  worksheet

Partitioning Decimals - Tenths and Hundredths (B)

Partitioning Decimals - Tenths and Hundredths (B) worksheet

Percent Change

Percent  Change Worksheet suitable for students in 7th Grade

Percent Increase and Decrease

Percent  Increase and Decrease Worksheet suitable for students in 7th Grade

Percent Word Problems

Percent  Word Problems Worksheet suitable for students in 7th Grade

Percentage Change (A)

Percentage Change (A) Worksheet suitable for Grad 6 and Grade 7 students

Percentage Decrease - Using a Bar Model

Percentage Decrease - Using a Bar Model Worksheet Suitable for Students in 7th Grade and IM 1

Percentage Increase - Using a Bar Model

Percentage Increase - Using a Bar Model Worksheet Suitable for Students in 7th Grade and IM 1

Percentage Problems

Percentage Problems Worksheet Suitable for Students in 7th Grade, Algebra 1, IM 2

Percentages of Amounts - Using a Tape Diagram (A)

Percentages of Amounts - Using a Tape Diagram (A) Worksheet Suitable for Students in 6th Grade

Percentages of Amounts - Using a Tape Diagram (B)

Percentages of Amounts - Using a Tape Diagram (B) Worksheet Suitable for Students in 6th Grade

Percentages of Amounts 10 Minute Challenge

Percentages of Amounts 10 Minute Challenge Worksheet Suitable for Students in 6th Grade and 7th Grade

Percents of an Amount (A)

Cazoom Math. Percentages. Percentages of Amounts (A) Worksheet Suitable for Students in 6th Grade

Percents of an Amount (B)

Cazoom Math. Percentages. Percentages of Amounts (B) Worksheet Suitable for Students in 6th Grade

Percents of an Amount (C)

Percents of an Amount (C) worksheet

Percents of an Amount (D)

Cazoom Math Percents of an Amount (D ) Worksheet suitable for 6th Grade students

Percents of an Amount (E)

Percents of an Amount (E) Worksheet for 6th Grade Students

Percents of an Amount (F)

Percents of an Amount (F) Worksheet Suitable for 6th Grade Students

Percents: Finding the Original

Percents:  Finding the Original Worksheet suitable for students in 7th Grade

Reverse Percentages - Using a Bar Model (A)

Reverse Percentages - Using a Bar Model (A) Worksheet Suitable for Students in 7th Grade

Reverse Percentages - Using a Bar Model (B)

Reverse Percentages - Using a Bar Model (B) Worksheet Suitable for Students in 7th Grade

Rounding Charts

Rounding Charts Worksheet Suitable for Students in 3rd Grade and 5th Grade

Rounding Decimals

Rounding  Decimals Worksheet suitable for students in 5th Grade

Rounding Decimals to the Nearest Whole

Rounding  Decimals to the Nearest Whole Worksheet suitable for students in 5th Grade

Rounding to the Nearest Hundred

Rounding  to the Nearest Hundred Worksheet suitable for students in 3rd Grade

Rounding to the Nearest Thousand

Rounding  to the Nearest Thousand Worksheet suitable for students in 4th Grade

Rounding Whole Numbers and Decimals

Rounding  Whole Numbers and Decimals Worksheet suitable for students in 5th Grade

Rounding Whole Numbers and Decimals Mixed Practice

Rounding  Whole Numbers and Decimals Mixed Practice Worksheet suitable for students in  4th Grade

Searching for Equivalent Fractions, Decimals, and Percents (A)

Searching  for Equivalent Fractions, Decimals, and Percents Worksheet suitable for  students in 6th Grade

Searching for Equivalent Fractions, Decimals, and Percents (B)

Searching  for Equivalent Fractions, Decimals, and Percents Worksheet suitable for  students in 6th Grade

Searching for Equivalent Fractions, Decimals, and Percents (C)

Searching  for Equivalent Fractions, Decimals, and Percents Worksheet suitable for  students in 6th Grade

Significant Figures (A)

Significant  Figures Worksheet suitable for students in 5th Grade

Significant Figures (B)

Significant  Figures Worksheet suitable for students in 5th Grade

Simple Interest

Cazoom Math Simple Interest Worksheet suitable for Grade 7 students

Solve Problems Involving Decimals

Solve Problems Involving Decimals Worksheet suitable for 4th Grade students

The Six Times Table

The Six Times Table Worksheet Suitable for Students in 3rd Grade and 3rd Grade

All worksheets are created by the team of experienced teachers at Cazoom Math.

Why Are Our Printable 1st Grade Number Resources Essential for Common Core Math?

Number sense develops through children's ability to link numbers to their written symbols and their understanding of the organization of the number system. These worksheets help students learn to count while teaching them about tens and ones through visual representations of numbers as groupings rather than individual units. Students develop their place-value reasoning and comparison abilities, as well as doubling fluency, through direct experience and consistent practice. The student develops mental calculation skills through this process, which replaces finger counting, builds their confidence and flexibility, and prepares them for future addition, subtraction, and problem-solving in higher grade levels.

Topics at a Glance: Place Value, Number Lines, and More

The worksheets use a concrete–pictorial–abstract method that helps students move from visual representations to symbolic mathematical concepts. The activities build confidence through systematic learning steps, including full answer keys to monitor student progress. Learners practice adding and subtracting tens, comparing and ordering numbers to 100 and 1000, and exploring number lines through skip counting. The combination of visual doubling activities with place-value exercises helps students build their reasoning and fluency skills, resulting in complete number understanding for all students at every learning level.

Why Parents and Teachers Trust These Elementary School Resources for Homework Help

Elementary educators need materials that work immediately without extensive preparation. The worksheets are designed to accommodate the various learning paces that students in the same classroom may have. Students have the ability to select their own degree of difficulty when they choose their learning activities. Clear formatting reduces visual overwhelm for beginning readers. The guides show students their complete mathematical reasoning process for solving problems, rather than just presenting the solutions. The worksheets contain quick assessment sections that are distributed across their entire length. The ready-to-print format provides teachers with an efficient system for managing their time effectively. The systematic approach helps parents who want to assist their children with their school assignments. The materials work well for both center rotation activities and intervention group work.

Practical Number and Operations Examples 1st Graders Meet Every Day

First graders encounter these number concepts constantly outside school. Mathematical thinking appears in their daily activities and play.

• Counting collections and toys

• Sharing snacks equally with friends

• Measuring growth on height charts

• Understanding calendar dates