Investigation Numbers and Operations Seventh Grade Math Competency 1 Use the order of operations to simplify and/or evaluate whole numbers (including exponents and grouping symbols). Objective 1a Solve problems involving addition, subtraction, multiplication, and division of rational numbers. Express answers in simplest form. Objective 1b Convert among decimals, fractions, mixed numbers, and percents. Objective 1c Evaluate and estimate powers and square roots of real numbers. Objective 1d Explain the relationship between standard form and scientific notation. Objective 1e Multiply and divide numbers written in scientific notation. Objective 1f Solve real-life problems involving unit price, unit rate, sales price, sales tax, discount, simple interest, commission, and rate of commission. Objective 1g Solve contextual problems requiring the comparison, ordering, and application of integers. Objective 1h Develop a logical argument to demonstrate the ‘denseness’ of rational numbers. Objective 1i Competency 1… is completed!
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