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BECE (Ghana) Mathematics — practice by topic

Browse 20 questions across 1 Mathematics topics. Choose what you want to revise, then open a question to check its answer and worked solution.

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Mathematics topics

Integers (20)

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What is a negative number?Read the answer and worked solution →Which everyday measurement is given as an example described by negative numbers?Read the answer and worked solution →Two numbers sit the same distance from zero but on opposite sides. What are they called?Read the answer and worked solution →What is the opposite of 7?Read the answer and worked solution →

Worked practice questions

What is a negative number?

  1. A number that is less than zero
  2. A number that is greater than zero
  3. A number that is exactly zero
  4. A number that has no whole part
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Correct answer: A. A number that is less than zero

1. Every number sits somewhere on the number line relative to zero. 2. A negative number is one that is less than zero. 3. On the number line it therefore lies to the left of zero. 4. Temperatures below freezing are the everyday example of such numbers. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section Locate Positive and Negative Numbers on the Number Line_

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Which everyday measurement is given as an example described by negative numbers?

  1. Distances measured along a road
  2. Masses measured on a balance
  3. Temperatures below zero degrees
  4. Times measured with a stopwatch
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Correct answer: C. Temperatures below zero degrees

1. A negative number is any number below zero. 2. Very cold temperatures are measured in degrees below zero. 3. So those temperatures are naturally described by negative numbers. 4. Distance, mass and time on a stopwatch are never measured below zero. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section Locate Positive and Negative Numbers on the Number Line_

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Two numbers sit the same distance from zero but on opposite sides. What are they called?

  1. Factors of each other
  2. Opposites of each other
  3. Multiples of each other
  4. Reciprocals of each other
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Correct answer: B. Opposites of each other

1. Take any number and measure its distance from zero on the number line. 2. The number the same distance away but on the other side of zero is its opposite. 3. So 2 and negative 2 are opposites, and 3 and negative 3 are opposites. 4. A reciprocal is a different idea, about multiplying to give one. _Source: OpenStax Prealgebra (CC BY 4.0), Ch 3 "Integers", section Opposite Notation_

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