5th Grade Number and Operations Worksheets
Add Mixed Numbers with the Same Denominator

Adding and Subtracting Decimals

Comparing Decimals (A)

Decimal Place Value With Decomposition

Decimal Sums to 1

Decimals on a Number Line - Beyond 1

Dividing by Decimals

Estimating (A)

Estimating Shopping Bills

Estimation - Multiplication and Division

Finding Fractional Amounts

Finding Fractions of Amounts

Fraction - Increase and Decrease

Lower and Upper Bounds when Rounding

Money Problems (B)

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

Partitioning Decimals - Tenths and Hundredths (A)
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Partitioning Decimals - Tenths and Hundredths (B)
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Rounding Charts

Rounding Decimals

Rounding Decimals to the Nearest Whole

Rounding Whole Numbers and Decimals

Rounding Whole Numbers and Decimals Mixed Practice

Significant Figures (A)

Significant Figures (B)

All worksheets are created by the team of experienced teachers at Cazoom Math.
Why Our Ready-to-Use 5th Grade Number and Operations Activities Make Math Less Stressful
Fifth graders connect their understanding of whole numbers to decimals and fractions through these exercises. The worksheets bridge fourth-grade multiplication facts with more complex multi-step problems. Students learn to apply properties like distribution and association to simplify calculations.
Daily practice strengthens mental math abilities and estimation skills. Learners who complete these sheets regularly spot calculation errors more quickly. This foundation proves essential when students tackle ratios, proportions, and pre-algebra concepts next year.
Topics at a Glance: Rounding Charts, Decimals, Estimating, Fractions, and More
The worksheets guide students through a three-part learning process that begins with manipulatives, then progresses to visual models, and finally to abstract number problems. Students learn to understand concepts through area models and number lines, and themed activities before they develop their procedural skills. The worksheets include complete, step-by-step answer keys for easy reference. The collection provides students with practice in place value and rounding, decimals and division, and mental math through engaging themes that help build their confidence and accuracy in key math skills.
Support Your Child’s Math Learning With Cazoom Math 5th Grade Number and Operations Activities
Cazoom Math worksheets save planning time with print-ready materials organized by skill level. Teachers quickly differentiate instruction by selecting appropriate challenge levels for each student group. The varied problem types maintain engagement during independent work sessions. Extension activities on each sheet stretch advanced learners without requiring separate materials.
Solution pages reveal the mathematical reasoning behind each answer. Teachers pinpoint misconceptions by comparing student work to the demonstrated methods. Grading becomes efficient when checking against step-by-step solutions. Instructors use these versatile sheets for morning warm-ups, exit tickets, or homework assignments. The consistent format helps establish a clear classroom routine. Students know what to expect and can work independently. This frees teachers to provide targeted support where needed most.
Where These Skills Show Up in Real Life: From Budgeting to Programming
Number operations form the foundation for countless daily decisions and activities. Students apply these skills when managing money, measuring materials, and interpreting data—strong computational abilities open doors to STEM careers and technical fields.
• Calculate tips and split bills
• Convert measurements in recipes
• Budget weekly allowance wisely
• Compare phone plan costs