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Number System

Each subtopic includes About section, revision page link, 10 preview questions, and practice CTAs.

Place value up to millions

Subtopic

Place value up to millions under Number System for Grade 5 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is the value of the digit 66 in 6,000,0016,000,001?

    A.

    600,000600,000

    B.

    6,000,0006,000,000

    C.

    60,00060,000

    D.

    6,0006,000

  2. 2.

    How is the number 1,010,0101,010,010 read?

    A.

    One million, ten thousand, ten

    B.

    One million, one hundred thousand, ten

    C.

    One million, one thousand, ten

    D.

    Ten million, ten thousand, ten

  3. 3.

    Identify the digit in the millions place of 3,214,5673,214,567.

    A.

    22

    B.

    11

    C.

    33

    D.

    44

Download the worksheet for Number System - Place value up to millions to practice offline. It includes additional chapter-level practice questions.

Negative numbers in context

Subtopic

Negative numbers in context under Number System for Grade 5 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    If a score in a game goes from 1010 to −5-5, how many points were lost?

    A.

    55

    B.

    1010

    C.

    1515

    D.

    2020

  2. 2.

    A ship is at sea level (00 meters). It drops an anchor 4545 meters down. What integer represents the anchor's position?

    A.

    4545

    B.

    −45-45

    C.

    00

    D.

    −4.5-4.5

  3. 3.

    Which of these temperatures is warmer than −15∘C-15^\circ C?

    A.

    −20∘C-20^\circ C

    B.

    −10∘C-10^\circ C

    C.

    −25∘C-25^\circ C

    D.

    −16∘C-16^\circ C

Download the worksheet for Number System - Negative numbers in context to practice offline. It includes additional chapter-level practice questions.

Rounding to the nearest 10, 100, 1000, 10,000

Subtopic

Rounding to the nearest 10, 100, 1000, 10,000 under Number System for Grade 5 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is 202,000202,000 rounded to the nearest 10,00010,000?

    A.

    200,000200,000

    B.

    210,000210,000

    C.

    202,000202,000

    D.

    205,000205,000

  2. 2.

    Round the number 77,77777,777 to the nearest 10,00010,000.

    A.

    70,00070,000

    B.

    75,00075,000

    C.

    80,00080,000

    D.

    78,00078,000

  3. 3.

    What is 45,00045,000 rounded to the nearest 10,00010,000?

    A.

    40,00040,000

    B.

    45,00045,000

    C.

    50,00050,000

    D.

    60,00060,000

Download the worksheet for Number System - Rounding to the nearest 10, 100, 1000, 10,000 to practice offline. It includes additional chapter-level practice questions.

Prime numbers, factors, and multiples

Subtopic

Prime numbers, factors, and multiples under Number System for Grade 5 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Which prime number is found between 2525 and 3030?

    A.

    2626

    B.

    2727

    C.

    2828

    D.

    2929

  2. 2.

    Which of these numbers is a multiple of 2525?

    A.

    5050

    B.

    6060

    C.

    7070

    D.

    8080

  3. 3.

    If you multiply any whole number by 22, the result will always be a multiple of...

    A.

    11

    B.

    22

    C.

    33

    D.

    44

Download the worksheet for Number System - Prime numbers, factors, and multiples to practice offline. It includes additional chapter-level practice questions.

Square and cube numbers

Subtopic

Square and cube numbers under Number System for Grade 5 IGCSE.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Find the total of 12+22+321^2 + 2^2 + 3^2.

    A.

    6

    B.

    10

    C.

    14

    D.

    18

  2. 2.

    Find the square of 00.

    A.

    1

    B.

    0

    C.

    10

    D.

    100

  3. 3.

    What is 10210^2 divided by 22?

    A.

    5

    B.

    20

    C.

    50

    D.

    100

Download the worksheet for Number System - Square and cube numbers to practice offline. It includes additional chapter-level practice questions.