Standard(s):
[MA2019] ACC-7 (7) 10 : 10. Define the real number system as composed of rational and irrational numbers.
a. Explain that every number has a decimal expansion; for rational numbers, the decimal expansion repeats in a pattern or terminates.
b. Convert a decimal expansion that repeats in a pattern into a rational number. [Grade 8, 1]
[MA2019] ACC-7 (7) 15 : 15. Use square root and cube root symbols to represent solutions to equations.
a. Evaluate square roots of perfect squares (less than or equal to 225) and cube roots of perfect cubes (less than or equal to 1000).
b. Explain that the square root of a non-perfect square is irrational. [Grade 8, 4]
[MA2019] REG-8 (8) 1 : 1. Define the real number system as composed of rational and irrational numbers.
a. Explain that every number has a decimal expansion; for rational numbers, the decimal expansion repeats or terminates.
b. Convert a decimal expansion that repeats into a rational number.
[MA2019] REG-8 (8) 4 : 4. Use square root and cube root symbols to represent solutions to equations.
a. Evaluate square roots of perfect squares (less than or equal to 225) and cube roots of perfect cubes (less than or equal to 1000).
b. Explain that the square root of a non-perfect square is irrational.