How can we find the unknown number in an addition or subtraction equation that involves three whole numbers?
Critical Thinking: Students will engage in problem-solving by applying logical strategies to find unknown numbers in mathematical equations.
Communication: Students will articulate their thought process and reasoning behind the strategies they choose to solve for the unknown number.
Collaboration: Encourage group activities where students work together to solve equations, sharing different approaches and solutions.
How do we approach solving an equation when one number is missing?
What strategies can we use to figure out the unknown number in an addition equation?
How can we find the unknown number in a subtraction equation?
Students will understand the process of determining the unknown whole number in both addition and subtraction equations.
Students will apply various strategies to solve for the unknown number in equations involving three whole numbers.
Students will demonstrate their ability to solve for the unknown number by accurately completing equations and explaining their methods.
1.OA.D.8: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.
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