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US Elementary School Mathematics — practice by topic

Browse 30 questions across 6 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

Arithmetic (30)Fractions (30)Integers (30)Mathematics (30)Olympiad Maths (30)Whole Numbers and Place Value (30)

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In the fraction three quarters, the number written on the bottom is called the:Read the answer and worked solution →The number written on top of a fraction is called the:Read the answer and worked solution →A pizza is cut into 8 equal slices. The number 8 in the fraction belongs in the:Read the answer and worked solution →Three of those eight slices are eaten. The number 3 belongs in the:Read the answer and worked solution →

Worked practice questions

In the fraction three quarters, the number written on the bottom is called the:

  1. Denominator
  2. Determinant
  3. Decimeter
  4. Descriptor
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Correct answer: A. Denominator

1. The top number and the bottom number have separate names. 2. The bottom one counts the equal parts of the whole. 3. That bottom number is the denominator. _Source: OpenStax Prealgebra 2e, Chapter 4, Fractions._

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The number written on top of a fraction is called the:

  1. Neutraliser
  2. Numerator
  3. Nominator
  4. Navigator
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Correct answer: B. Numerator

1. The bottom number is the denominator. 2. The top number counts how many parts are taken. 3. That top number is the numerator. _Source: OpenStax Prealgebra 2e, Chapter 4, Fractions._

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A pizza is cut into 8 equal slices. The number 8 in the fraction belongs in the:

  1. Denominator
  2. Determinant
  3. Decimeter
  4. Descriptor
Show answer and solution

Correct answer: A. Denominator

1. Ask first how many equal parts the whole has. 2. That count goes on the bottom. 3. So 8 is the denominator. _Source: OpenStax Prealgebra 2e, Chapter 4, Fractions._

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