# Find the Mistake: Neverslip Underpants - Fraction Addition & Subtraction

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Find the Mistake! – Add & Subtract Fractions with Common Denominators

Each of the problems has been solved, but some of the solutions contain mistakes! Students find the mistakes and then explain and correct them. Errors include:

• making an arithmetic error, such as not finding a common denominator or changing an improper fraction to a mixed number incorrectly
• choosing the wrong operation
• using one operation when two is needed to solve the problem.

6 problems include mixed numbers and fractions with like denominators and whole numbers

Use during guided maths, during tutoring or intervention, with small groups or in centres.

This activity includes clear and concise teacher directions, an answer key and conversation starters that give students what they need to have meaningful academic discussions.

#### Australian Curriculum alignment

• ACMNA103

Investigate strategies to solve problems involving addition and subtraction of fractions with the same denominator

TeachTransform creates fun math activities that get students involved in real math. We bring decades of education experience to the task, and we believe that students learn best when teachers and students are having fun.

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