7th Grade Math

178 Rational Numbers Quotient of Powers Words To divide powers with the same base, subtract their exponents. Symbols a m _an = a ...

Lesson 4A Monomials 179 Examples 1–5 Simplify. Express using exponents. 65 · 64 2. 33 · 32 3. ( _^2 3 (^) ) 4 (^) ( _^2 3 (^) ...

Test PracticeT 180 Rational Numbers C 38. CHALLENGE What is twice 2^20? Write using exponents. NUMBER SENSE Is^4 200 _ 4199 gr ...

Monomials PART B CDE 4 Multi-Part Lesson Get ConnectED A GLE 0706.2.6 Introduce the concept of negative exponents. SPI 0706.2.1 ...

182 Rational Numbers Perform Operations with Exponents Simplify x^3 · x-^5. Method 1 Product of Powers x^3 · x-^5 = x^3 + (-5) ( ...

Examples 1 and 2 Write each expression using a positive exponent. 5 -^2 2. (-7)-^1 33 t-^10 4. n-^2 Write each fraction as an ...

Test PracticeT 184 Rational Numbers C 48. OPEN ENDED Write a convincing argument that 3^0 = 1 using the fact that 34 = 81, 3^3 = ...

Monomials PART A B C DE 4 Multi-Part Lesson Get ConnectED GLE 0706.2.7 Understand and use scientific notation. SPI 0706.2.1 Simp ...

186 Rational Numbers Express Small Numbers in Standard Form Express 5.8 × 10 –^3 in standard form. 5.8 × 10 –^3 = 5.8 × 0.001 10 ...

Examples 1 and 2 Express each number in standard form. 3.754 × 105 2. 8.34 × 106 1.5 × 10 –^4 4. 2.68 × 10 –^3 Examples 3 and ...

188 Rational Numbers Replace each with <, >, or = to make a true sentence. 1.8 × 103  1.9 × 10 –^1 35. 5.2 × 102  5,000 ...

Test PracticeT C 45. CHALLENGE Convert the numbers in each expression to scientific notation. Then evaluate the expression. Expr ...

190 Rational Numbers Chapter Study Guide and Review Key Vocabulary bar notation common denominator least common denominator (LCD ...

Multi-Part Lesson Review Chapter Study Guide and Review 191 Rational Numbers Terminating and Repeating Decimals (Lessons 1A and ...

Chapter Study Guide and Review 192 Rational Numbers Add and Subtract Fractions (continued) Add and Subtract Mixed Numbers (Lesso ...

Chapter Study Guide and Review 193 Multiply and Divide Fractions (continued) Divide Fractions (Lesson 3D) Divide. Write in simpl ...

194 Rational Numbers Practice Chapter Test FINANCIAL LITERACY (^) Fraction of Check How Spent or Saved ^25 baseball cardsSpent ...

Preparing for Standardized Tests 195 Preparing for Standardized Tests Gridded Response: Gridding Mixed Numbers A mixed number ca ...

Test Practice 196 Rational Numbers Read each question. Then fill in the correct answer on the answer sheet provided by your teac ...

NEED EXTRA HELP? If You Missed Question... 123456789101112131415 Go to Chapter-Lesson... 3-2D 3-1C 2-2B 2-2D 2-2D 3-2D 3-3D 2-1B ...