Go Math G6 Lesson 1.7-2.2 Review | Essential Math Worksheet

Master decimal operations, greatest common factor, and least common multiple with this comprehensive Grade 6 review. This worksheet helps students consolidate their understanding of rational numbers through structured problem-solving. By bridging the gap between whole number arithmetic and rational number systems, students build the computational fluency required for middle school success.

At a Glance

• Grade: 6 · Subject: Math
• Standard: CCSS.MATH.CONTENT.6.NS.B.3 — Fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm
• Skill Focus: Decimal Operations · GCF · LCM · Conversions
• Format: 3 pages · 30 problems · Answer key included · PDF
• Best For: End-of-unit review and test preparation
• Time: 45–60 minutes

This packet contains three detailed pages focusing on Module 1 and 2 concepts from the Grade 6 curriculum. It includes 30 distinct tasks covering whole number division, multi-digit decimal arithmetic, and the calculation of the greatest common factor (GCF) and least common multiple (LCM). The second half of the resource transitions into fraction-to-decimal conversions and ordering rational numbers on a number line. A complete answer key is provided for immediate feedback and grading efficiency.

Each section of this review aligns with specific indicators of mastery for the Number System domain. The progression from basic whole number fluency to complex rational number comparison allows educators to identify exact student misconceptions. Rubric tiers can be applied to the multi-step word problems to assess whether students are meeting or exceeding the standard algorithm requirements. Data gathered from these tasks fits perfectly into IEP progress monitoring for computational fluency goals.

The primary focus is CCSS.MATH.CONTENT.6.NS.B.3, which requires students to fluently add, subtract, multiply, and divide multi-digit decimals using the standard algorithm. It also supports CCSS.MATH.CONTENT.6.NS.B.4 regarding finding the greatest common factor of two whole numbers less than or equal to 100. Both standard codes can be copied directly into lesson plans, IEP goals, or district curriculum mapping tools.

Use this as a summative assessment after completing Go Math Grade 6 Lessons 1.7 through 2.2. It serves as an excellent practice test to ensure students are ready for district-level benchmarks. During instruction, observe how students handle the decimal point placement in division; this formative insight helps target small-group interventions before the unit exam. Completion typically takes one full class period of forty-five to sixty minutes.

Designed for Grade 6 students following a standard mathematics curriculum, this resource is equally effective for Grade 7 remediation or Grade 5 enrichment. It pairs naturally with anchor charts showing the standard algorithms for decimal operations and GCF ladder methods. The clear layout ensures that students can focus on their calculations without visual clutter, making it a reliable tool for diverse learners.

The standard CCSS.MATH.CONTENT.6.NS.B.3 represents a critical shift from elementary arithmetic to middle school rational number fluency. According to NAEP, mastery of decimal operations in the sixth grade is a primary predictor of success in later algebraic thinking. This worksheet provides the high-repetition practice environment required to transition from procedural knowledge to conceptual fluency. Research from Fisher & Frey (2014) emphasizes that the gradual release of responsibility—moving from scaffolded whole-number tasks to independent decimal division—is essential for long-term retention of mathematical algorithms. By providing thirty targeted problems across three pages, this resource ensures that students encounter sufficient variety to solidify their understanding of numerical systems. The inclusion of GCF and LCM problems within the same review packet encourages students to discriminate between different number relationships, a key component of mathematical maturity and readiness for higher-level ratio and proportion work.