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CBC Decimals Grade 5 Revision Questions

Practice Grade 5 CBC decimal concepts including place value, addition, subtraction, and conversions.

By Nehiju Learn·1 September 2026·6 views

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Decimals in Grade 5 CBC introduce students to expressing parts of a whole using place values such as tenths, hundredths, and thousandths. Mastery of decimals is vital for handling money values in KSh, interpreting length measurements, and solving real-world word problems. Working through structured cbc decimals grade 5 revision questions helps primary school pupils build mathematical confidence under the Competency-Based Curriculum.

Key Concepts in Grade 5 Decimals

Understanding decimals requires mastering place value relationships and vertical arithmetic alignment:
  • Place Value Identification: Recognizing place values after the decimal point. In 14.25, '2' represents tenths (0.2) and '5' represents hundredths (0.05).

  • Aligning Decimal Points: When adding or subtracting decimals, always line up decimal points vertically before calculating.

  • Converting Fractions to Decimals: Expressing base-10 fractions as decimals, such as 3/10 = 0.3 and 45/100 = 0.45.

  • Ordering Decimals: Comparing numbers like 0.4, 0.45, and 0.09 from smallest to largest by comparing digit places.
  • Worked Example Problem

    Question: A pupil bought a pen for KSh 25.50 and a notebook for KSh 64.75. What was the total cost, and how much change remained from a KSh 100 note?
    Calculation:
  • Total Cost = KSh 25.50 + KSh 64.75 = KSh 90.25.

  • Change Received = KSh 100.00 - KSh 90.25 = KSh 9.75.
  • Actionable Tips for Practice

    Parents and teachers can make decimal practice engaging and practical:
  • Receipt Price Exercises: Use real store receipts in KSh to provide practical experience with decimal addition and subtraction.

  • Grid Paper Alignment: Encourage pupils to write decimal problems on grid paper to prevent digit misalignments during written tests.

  • Interactive Quizzes: Practice short daily quiz sets to reinforce place value recognition without overwhelming the learner.
  • To access Grade 5 decimal interactive quizzes and practice problems, visit Nehiju Learn and select Browse CBC Curriculum.

    Real-World Applications: M-Pesa and Local Currency

    Decimals are essential for everyday financial literacy in Kenya:
  • M-Pesa Charges and Balances: Calculating transaction fees, balances, and airtime top-ups in KSh and cents (e.g., KSh 150.50).

  • Physical Measurements: Recording distances in meters (such as 12.75 m) or liquid volumes in liters (1.5 L).

  • Market Price Comparisons: Comparing produce prices per kilogram in local markets to make budget choices.
  • Step-by-Step Grade 5 Revision Questions

    Practicing diverse word problems ensures readiness for classroom evaluation:
  • Question 1: Convert 8/100 into a decimal number. Solution: 0.08.

  • Question 2: Add 15.6 + 4.28. Solution: Align points: 15.60 + 4.28 = 19.88.

  • Question 3: A runner covered 3.4 km on Monday and 4.85 km on Tuesday. What was the total distance? Solution: 3.40 + 4.85 = 8.25 km.
  • Preparing for Grade 5 CBC Assessment Tasks in Math

    Grade 5 mathematics assessments test decimal operations through practical word problems and multi-step tasks. School evaluation rubrics measure conceptual understanding, computational accuracy, and problem-solving steps. Methodical practice prepares learners for KPSEA primary assessment expectations.

    Interactive Decimal Practice with Mwalimu AI Tutor

    Learners can practice Grade 5 decimal concepts interactively on Nehiju Learn. Using Mwalimu AI tutor, pupils receive step-by-step problem breakdowns, attempt practice quizzes, review flashcards, and organize key formulas with mind maps. Families can access all Grade 5 math revision resources via the affordable 100 KSH 30-day CBC trial.

    Connecting Elementary Decimals to Advanced Math Skills

    Mastering decimals in Grade 5 creates a firm foundation for future Junior Secondary School mathematics sub-strands (Grade 7 to Grade 9), including percentages, ratios, data handling, and scientific measurements. Early confidence in decimal calculations helps students excel in Senior Secondary STEM pathways (Form 1 to Form 4) and consumer activities.

    Ready to put this into practice?

    Browse CBC Curriculum

    Browse CBC Curriculum

    Frequently Asked Questions

    How do you align decimals during addition?

    Place numbers directly under each other so that all decimal points form a straight vertical column.

    What is 7/100 expressed as a decimal?

    7/100 equals 0.07 because the digit 7 sits in the hundredths position after the decimal point.