

A worksheet on addition, subtraction, multiplication and division between rational numbers (positive and negative integers, fractions, mixed numbers and decimals). There are 52 mixed problems on all operations. Detailed solutions are included.
Looking for a no-prep, print-and-go resource to help your students master operations with positive and negative rational numbers? This comprehensive math worksheet delivers structured, clean, and highly effective practice sheets designed to build computational confidence in Middle School, Key Stage 3 (KS3), and Pre-Algebra math classrooms.
Whether you need sub plans, independent homework, guided class practice, or structured math intervention, this worksheet gives your students the exact scaffolding they need to solve arithmetic problems involving signed integers, fractions, and decimals (pp. 1-2).
What’s Included in This Worksheet?
This downloadable PDF features a massive bank of practice equations spread across 6 student practice pages, complete with 6 pages of fully worked-out teacher answer keys (12 pages total) (pp. 1, 7, 12):
- 52 Rigorous Computational Problems: Progressively structured questions testing all four operations (+, -, ×, ÷) with positive and negative rational numbers (pp. 1, 6).
- Signed Integers & Decimals: Focuses on integer rules, double negatives, and adding/subtracting/multiplying/dividing signed decimals (e.g., -2.5 - 4.3 or -10.8 : 4) (pp. 1, 4).
- Fractions & Mixed Numbers: Master common denominators, reciprocal multiplication, and signed fractions (e.g., 2/3 - (-7/9) or -1 2/3 · (-2 3/4)) (pp. 1-2).
- Advanced Mixed-Format Equations: Highly scaffolded questions combining decimals and fractions in the same problem to push conceptual mastery (e.g., -6.2 - (-2 1/3) or -2.4 · 6 1/2) (p. 11).
Why Educators Choose Mathamaniacs Resources:
- Zero Prep Required
- *Step-by-Step Answer Keys Included
- Clutter-Free Visual Layout
- *Versatile Classroom Use
Target Audience & Curriculum Fit:
- Grades / Key Stages: 6th Grade, 7th Grade, 8th Grade / Key Stage 3 (KS3 Maths)
- Core Topics: Rational Numbers, Integers, Adding and Subtracting Fractions, Multiplying and Dividing Fractions, Decimals, Negative Numbers, Signed Arithmetic, Mixed Numbers.
Key Words
rational numbers, multiplying fractions, dividing fractions, integer operations, negative decimals, signed numbers, prealgebra review, no prep math, adding fractions, ks3 maths, 7th grade math
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