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Operations and Algebraic Thinking 218-221

Course: Operations and Algebraic Thinking 218-221 > Unit 5

Lesson 3: One-step addition & subtraction equations
Math Content
Operations and Algebraic Thinking 218-221
Equations & inequalities introduction
One-step addition & subtraction equations
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One-step addition & subtraction equations

CCSS.Math: 6.EE.B.7
Google Classroom

Problem

Solve the equation.
x, minus, 21, equals, 6
x, equals
  • Your answer should be
  • an integer, like 6
  • an exact decimal, like 0, point, 75
  • a simplified proper fraction, like 3, slash, 5
  • a simplified improper fraction, like 7, slash, 4
  • a mixed number, like 1, space, 3, slash, 4
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