Real Numbers & Irrational Numbers Quiz

Froggy Jumps

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Basics of real and irrational numbers

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semsema smiles

Egypt

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Froggy Jumps Real Numbers & Irrational Numbers QuizOnline version Basics of real and irrational numbers by semsema smiles 1 What is the defining equation for the real numbers set in the lesson? a R = Q ∪ Q' b R ⊆ Q ∪ Q' c R = Q ∩ Q' 2 Which are key examples of irrational numbers given in the lesson? a √2, ∛4, π, φ b √2, 4, π, e c 2√, ∛2, π, φ 3 What method is used to estimate irrational numbers on the number line? a Plot exact decimals b Use only π-based values c Find 'sandwich' integers using perfect squares/cubes 4 Which symbols are practiced for set relations in the lesson? a ∈, ∉, ⊂, ¬⊂ b =, ≠, ⊄, ⊂ c ∈, ∋, ⊆, ≡ 5 What is the mechanism for solving equations in the real number context? a Change the equation to a different variable b Multiply both sides by a constant c Isolate 'x' by moving terms and changing signs/operations 6 What is a common pitfall related to square roots mentioned in the lesson? a √-4 equals 2i b √-4 is a real number c √-4 is not a real number

Froggy Jumps

Real Numbers & Irrational Numbers QuizOnline version

Basics of real and irrational numbers

by semsema smiles

What is the defining equation for the real numbers set in the lesson?

R = Q ∪ Q'

R ⊆ Q ∪ Q'

R = Q ∩ Q'

Which are key examples of irrational numbers given in the lesson?

√2, ∛4, π, φ

√2, 4, π, e

2√, ∛2, π, φ

What method is used to estimate irrational numbers on the number line?

Plot exact decimals

Use only π-based values

Find 'sandwich' integers using perfect squares/cubes

Which symbols are practiced for set relations in the lesson?

∈, ∉, ⊂, ¬⊂

=, ≠, ⊄, ⊂

∈, ∋, ⊆, ≡

What is the mechanism for solving equations in the real number context?

Change the equation to a different variable

Multiply both sides by a constant

Isolate 'x' by moving terms and changing signs/operations

What is a common pitfall related to square roots mentioned in the lesson?

√-4 equals 2i

√-4 is a real number

√-4 is not a real number

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Real Numbers & Irrational Numbers Quiz

Froggy Jumps

About this activity

Created by

Download the paper version to play

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Real Numbers & Irrational Numbers QuizOnline version

by semsema smiles

What is the defining equation for the real numbers set in the lesson?

Which are key examples of irrational numbers given in the lesson?

What method is used to estimate irrational numbers on the number line?

Which symbols are practiced for set relations in the lesson?

What is the mechanism for solving equations in the real number context?

What is a common pitfall related to square roots mentioned in the lesson?

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