Debug Glitchy™: Fraction Operations Error Analysis | Math Mistakes

Description

Students can follow steps. But can they catch a mistake — and explain exactly why it's wrong?

Debug Glitchy gives students 12 carefully designed error analysis problems covering all four fraction operations. In each problem, Glitchy — a robot with a math bug — shows his work. Students identify where the reasoning breaks down, explain the error, and show the correct solution.

What's Included: 12 error analysis problems (3 addition, 3 subtraction, 3 multiplication, 3 division), student worksheet, teacher answer key with misconception explanations, and discussion prompts aligned to Math Practice Standard 3.

Skills Covered: Fraction addition and subtraction, fraction multiplication and division, common denominators, and multiplicative reasoning.

How to Use: Warm-ups, whole-class discussion, small group work, intervention, and review.

Why This Works: Error analysis is one of the highest-leverage instructional moves in math. When students have to explain what went wrong — not just solve a problem — they reveal and repair their own misconceptions. Debug Glitchy makes that thinking visible.

Ideal for Grades 5–8. Also effective for upper elementary and middle school intervention.

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Debug Glitchy™: Fraction Operations Error Analysis | Math Mistakes

Name: Debug Glitchy™: Fraction Operations Error Analysis | Math Mistakes
Brand: Acutely Curious
SKU: 16177277
Price: 4.00 USD
Availability: InStock

Acutely Curious

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Highlights

Digital downloads

PDF

Grades

5th - 8th

Subjects

Fractions

Standards

CCSS5.NF.A.1

CCSS5.NF.A.2

CCSS5.NF.B.3

Description

Students can follow steps. But can they catch a mistake — and explain exactly why it's wrong?

Skills Covered: Fraction addition and subtraction, fraction multiplication and division, common denominators, and multiplicative reasoning.

How to Use: Warm-ups, whole-class discussion, small group work, intervention, and review.

Ideal for Grades 5–8. Also effective for upper elementary and middle school intervention.

Report this resource to TPT

Reported resources will be reviewed by our team. Report this resource to let us know if this resource violates TPT's content guidelines.

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Questions & Answers

Standards

to see state-specific standards (only available in the US).

CCSS5.NF.A.1

Add and subtract fractions with unlike denominators (including mixed numbers) by replacing given fractions with equivalent fractions in such a way as to produce an equivalent sum or difference of fractions with like denominators. For example, 2/3 + 5/4 = 8/12 + 15/12 = 23/12. (In general, 𝘢/𝘣 + 𝘤/𝘥 = (𝘢𝘥 + 𝘣𝘤)/𝘣𝘥.)

CCSS5.NF.A.2

Solve word problems involving addition and subtraction of fractions referring to the same whole, including cases of unlike denominators, e.g., by using visual fraction models or equations to represent the problem. Use benchmark fractions and number sense of fractions to estimate mentally and assess the reasonableness of answers. For example, recognize an incorrect result 2/5 + 1/2 = 3/7, by observing that 3/7 < 1/2.

CCSS5.NF.B.3

Interpret a fraction as division of the numerator by the denominator (𝘢/𝘣 = 𝘢 ÷ 𝘣). Solve word problems involving division of whole numbers leading to answers in the form of fractions or mixed numbers, e.g., by using visual fraction models or equations to represent the problem. For example, interpret 3/4 as the result of dividing 3 by 4, noting that 3/4 multiplied by 4 equals 3, and that when 3 wholes are shared equally among 4 people each person has a share of size 3/4. If 9 people want to share a 50-pound sack of rice equally by weight, how many pounds of rice should each person get? Between what two whole numbers does your answer lie?