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Number

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

Operations with Integers (Addition, Subtraction, Multiplication, Division)

Subtopic

Operations with Integers (Addition, Subtraction, Multiplication, Division) under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Evaluate: 2−(−18)2 - (-18).

    A.

    −16-16

    B.

    1616

    C.

    −20-20

    D.

    2020

  2. 2.

    What is (−42)÷(−7)(-42) \div (-7)?

    A.

    −6-6

    B.

    −49-49

    C.

    66

    D.

    3535

  3. 3.

    Evaluate the product: (−8)×6(-8) \times 6.

    A.

    4848

    B.

    −48-48

    C.

    −2-2

    D.

    1414

Download the worksheet for Number - Operations with Integers (Addition, Subtraction, Multiplication, Division) to practice offline. It includes additional chapter-level practice questions.

Fractions, Decimals, and Percentages

Subtopic

Fractions, Decimals, and Percentages under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Write 120\frac{1}{20} as a decimal.

    A.

    0.50.5

    B.

    0.050.05

    C.

    0.020.02

    D.

    0.20.2

  2. 2.

    Find 5%5\% of 200200.

    A.

    11

    B.

    55

    C.

    1010

    D.

    2020

  3. 3.

    Convert 0.6250.625 to a fraction.

    A.

    58\frac{5}{8}

    B.

    34\frac{3}{4}

    C.

    12\frac{1}{2}

    D.

    56\frac{5}{6}

Download the worksheet for Number - Fractions, Decimals, and Percentages to practice offline. It includes additional chapter-level practice questions.

Converting between Fractions, Decimals, and Percentages

Subtopic

Converting between Fractions, Decimals, and Percentages under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    What is 40%40\% expressed as a fraction in its simplest form?

    A.

    410\frac{4}{10}

    B.

    14\frac{1}{4}

    C.

    25\frac{2}{5}

    D.

    24\frac{2}{4}

  2. 2.

    What is the decimal 0.550.55 expressed as a fraction in its simplest form?

    A.

    55100\frac{55}{100}

    B.

    1120\frac{11}{20}

    C.

    12\frac{1}{2}

    D.

    511\frac{5}{11}

  3. 3.

    Convert the fraction 725\frac{7}{25} to a percentage.

    A.

    7%7\%

    B.

    14%14\%

    C.

    28%28\%

    D.

    35%35\%

Download the worksheet for Number - Converting between Fractions, Decimals, and Percentages to practice offline. It includes additional chapter-level practice questions.

Ratio and Proportion

Subtopic

Ratio and Proportion under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Simplify the ratio 9:279:27.

    A.

    1:31:3

    B.

    3:93:9

    C.

    1:21:2

    D.

    3:13:1

  2. 2.

    What is the ratio of 8080 cm to 22 m in simplest form?

    A.

    40:140:1

    B.

    2:52:5

    C.

    8:208:20

    D.

    4:14:1

  3. 3.

    If a dozen eggs cost $2.40\$2.40, what is the cost per egg?

    A.

    $0.20\$0.20

    B.

    $0.12\$0.12

    C.

    $0.24\$0.24

    D.

    $0.10\$0.10

Download the worksheet for Number - Ratio and Proportion to practice offline. It includes additional chapter-level practice questions.

Exponents, Powers, and Square Roots

Subtopic

Exponents, Powers, and Square Roots under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Evaluate 0\sqrt{0}.

    A.

    1

    B.

    undefined

    C.

    -1

    D.

    0

  2. 2.

    Calculate the value of 232^3.

    A.

    6

    B.

    9

    C.

    5

    D.

    8

  3. 3.

    What is the value of 25\sqrt{25}?

    A.

    5

    B.

    10

    C.

    12.5

    D.

    2.5

Download the worksheet for Number - Exponents, Powers, and Square Roots to practice offline. It includes additional chapter-level practice questions.

Scientific Notation

Subtopic

Scientific Notation under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    Write 0.00020.0002 in scientific notation.

    A.

    2×10−32 \times 10^{-3}

    B.

    2×10−52 \times 10^{-5}

    C.

    0.2×10−30.2 \times 10^{-3}

    D.

    2×10−42 \times 10^{-4}

  2. 2.

    Convert 9.99×1019.99 \times 10^1 to standard form.

    A.

    9.999.99

    B.

    0.9990.999

    C.

    99.999.9

    D.

    999999

  3. 3.

    Express 0.000000550.00000055 in scientific notation.

    A.

    5.5×10−65.5 \times 10^{-6}

    B.

    5.5×10−75.5 \times 10^{-7}

    C.

    55×10−855 \times 10^{-8}

    D.

    0.55×10−60.55 \times 10^{-6}

Download the worksheet for Number - Scientific Notation to practice offline. It includes additional chapter-level practice questions.

Financial Mathematics: Profit, Loss, Simple Interest

Subtopic

Financial Mathematics: Profit, Loss, Simple Interest under Number for Grade 7 IB.

About Topic & Revision

Preview questions (no answers)

  1. 1.

    A chair costing ₹120₹120 is sold at a loss of 10%10\%. What is the selling price of the chair?

    A.

    ₹110₹110

    B.

    ₹112₹112

    C.

    ₹105₹105

    D.

    ₹108₹108

  2. 2.

    A book was purchased for ₹50₹50 and sold for ₹60₹60. What is the profit percentage?

    A.

    20%20\%

    B.

    10%10\%

    C.

    15%15\%

    D.

    25%25\%

  3. 3.

    Calculate the simple interest on a principal of ₹1,000₹1,000 at a rate of 5%5\% per annum for 22 years.

    A.

    ₹50₹50

    B.

    ₹150₹150

    C.

    ₹100₹100

    D.

    ₹200₹200

Download the worksheet for Number - Financial Mathematics: Profit, Loss, Simple Interest to practice offline. It includes additional chapter-level practice questions.