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

Preview of Add Mixed Numbers with the Same Denominator

Adding and Subtracting Decimals

Preview of Adding and Subtracting Decimals

Calculating with Recurring Decimals

Preview of Calculating with Recurring Decimals

Colourful Equivalances (A)

Preview of Colourful Equivalances (A)

Comparing Decimals (A)

Preview of Comparing Decimals (A)

Comparing Fractions

Preview of Comparing Fractions

Compound Interest

Preview of Compound Interest

Compound Interest - Problem Solving

Preview of Compound Interest - Problem Solving

Converting Fractions, Decimals, and Percents (A)

Preview of Converting Fractions, Decimals, and Percents (A)

Converting Fractions, Decimals, and Percents (B)

Preview of Converting Fractions, Decimals, and Percents (B)

Converting Fractions, Decimals, and Percents (C)

Preview of Converting Fractions, Decimals, and Percents (C)

Converting Percents to Decimals

Preview of Converting Percents to Decimals

Converting Repeating Decimals to Fractions

Preview of Converting Repeating Decimals to Fractions

Converting Repeating Decimals to Fractions Using Algebraic Method

Preview of Converting Repeating Decimals to Fractions Using Algebraic Method

Decimal Place Value With Decomposition

Preview of Decimal Place Value With Decomposition

Decimal Sums to 1

Preview of Decimal Sums to 1

Decimals on a Number Line - Beyond 1

Preview of Decimals on a Number Line - Beyond 1

Decimals on a Number Line - Up to 1

Preview of Decimals on a Number Line - Up to 1

Depreciation

Preview of Depreciation

Dividing by Decimals

Preview of Dividing by Decimals

Dividing Mixed Numbers

Preview of Dividing Mixed Numbers

Estimating (A)

Preview of Estimating (A)

Estimating Shopping Bills

Preview of Estimating Shopping Bills

Estimating Square Roots

Preview of Estimating Square Roots

Estimating with Radicals and Decimals

Preview of Estimating with Radicals and Decimals

Estimation - Multiplication and Division

Preview of Estimation - Multiplication and Division

Finding Equivalent Fractions, Decimals, and Percents (A)

Preview of Finding Equivalent Fractions, Decimals, and Percents (A)

Finding Equivalent Fractions, Decimals, and Percents (B)

Preview of Finding Equivalent Fractions, Decimals, and Percents (B)

Finding Fractional Amounts

Preview of Finding Fractional Amounts

Finding fractions of a set of objects (A)

Preview of Finding fractions of a set of objects (A)

Finding fractions of a set of objects (B)

Preview of Finding fractions of a set of objects (B)

Finding fractions of a set of objects (C)

Preview of Finding fractions of a set of objects (C)

Finding fractions of a set of objects (D)

Preview of Finding fractions of a set of objects (D)

Finding Fractions of Amounts

Preview of Finding Fractions of Amounts

Fraction - Increase and Decrease

Preview of Fraction - Increase and Decrease

Fraction Equivalence - 1/2 and 2/4

Preview of Fraction Equivalence - 1/2 and 2/4

Fractions, Decimals and Percentages (A)

Preview of Fractions, Decimals and Percentages (A)

Fractions, Decimals, and Percents (A)

Preview of Fractions, Decimals, and Percents (A)

Fractions, Decimals, and Percents (B)

Preview of Fractions, Decimals, and Percents (B)

Fractions, Decimals, and Percents (C)

Preview of Fractions, Decimals, and Percents (C)

Fractions, Decimals, and Percents (D)

Preview of Fractions, Decimals, and Percents (D)

Fractions, Decimals, and Percents Word Problems

Preview of Fractions, Decimals, and Percents Word Problems

Interest Comparisons

Preview of Interest Comparisons

Lower and Upper Bounds when Rounding

Preview of Lower and Upper Bounds when Rounding

Mental Percentages

Preview of Mental Percentages

Money Problems (B)

Preview of Money Problems (B)

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

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

Ordering Fractions, Decimals, and Percents (A)

Preview of Ordering Fractions, Decimals, and Percents (A)

Ordering Fractions, Decimals, and Percents (B)

Preview of Ordering Fractions, Decimals, and Percents (B)

Partitioning Decimals - Tenths and Hundredths (A)

Preview of Partitioning Decimals - Tenths and Hundredths (A)

Partitioning Decimals - Tenths and Hundredths (B)

Preview of Partitioning Decimals - Tenths and Hundredths (B)

Percent Change

Preview of Percent Change

Percent Increase and Decrease

Preview of Percent Increase and Decrease

Percent Word Problems

Preview of Percent Word Problems

Percentage Change (A)

Preview of Percentage Change (A)

Percentage Decrease - Using a Bar Model

Preview of Percentage Decrease - Using a Bar Model

Percentage Increase - Using a Bar Model

Preview of Percentage Increase - Using a Bar Model

Percentage Problems

Preview of Percentage Problems

Percentages of Amounts - Using a Tape Diagram (A)

Preview of Percentages of Amounts - Using a Tape Diagram (A)

Percentages of Amounts - Using a Tape Diagram (B)

Preview of Percentages of Amounts - Using a Tape Diagram (B)

Percentages of Amounts 10 Minute Challenge

Preview of Percentages of Amounts 10 Minute Challenge

Percents of an Amount (A)

Preview of Percents of an Amount (A)

Percents of an Amount (B)

Preview of Percents of an Amount (B)

Percents of an Amount (C)

Preview of Percents of an Amount (C)

Percents of an Amount (D)

Preview of Percents of an Amount (D)

Percents of an Amount (E)

Preview of Percents of an Amount (E)

Percents of an Amount (F)

Preview of Percents of an Amount (F)

Percents: Finding the Original

Preview of Percents: Finding the Original

Reverse Percentages - Using a Bar Model (A)

Preview of Reverse Percentages - Using a Bar Model (A)

Reverse Percentages - Using a Bar Model (B)

Preview of Reverse Percentages - Using a Bar Model (B)

Rounding Charts

Preview of Rounding Charts

Rounding Decimals

Preview of Rounding Decimals

Rounding Decimals to the Nearest Whole

Preview of Rounding Decimals to the Nearest Whole

Rounding to the Nearest Hundred

Preview of Rounding to the Nearest Hundred

Rounding to the Nearest Thousand

Preview of Rounding to the Nearest Thousand

Rounding Whole Numbers and Decimals

Preview of Rounding Whole Numbers and Decimals

Rounding Whole Numbers and Decimals Mixed Practice

Preview of Rounding Whole Numbers and Decimals Mixed Practice

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

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

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

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

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

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

Significant Figures (A)

Preview of Significant Figures (A)

Significant Figures (B)

Preview of Significant Figures (B)

Simple Interest

Preview of Simple Interest

Solve Problems Involving Decimals

Preview of Solve Problems Involving Decimals

The Six Times Table

Preview of The Six Times Table

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