Grade 9 · Computational Fluency
Operations with Rational Numbers
Rational numbers unify fractions and integers under one umbrella: any number expressible as p/q where q ≠ 0. Students consolidate all four operations across positive and negative fractions, mixed numbers, and decimals, building the fluency that underpins algebraic manipulation throughout secondary mathematics.
LESSON VIDEO
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Lesson video
A short walkthrough to play in class or assign for flipped/at-home viewing.
WHAT STUDENTS WILL LEARN
✓Add, subtract, multiply, and divide rational numbers in fraction and decimal form
✓Apply order of operations to rational number expressions
✓Evaluate multi-step problems involving rational numbers
✓Solve problems in real-world contexts using rational number arithmetic
BUILDS ON