Mathematics - Pre-Algebra - Order of operations (PEMDAS/BODMAS) - The Calculator Disagrees!

Show: '2 + 3 × 4 = ?' One student says 20 (doing left to right: 5×4). Another says 14 (doing multiplication first: 2+12). 'Who is right?' Answer: 14, because multiplication comes before addition. Do 4 similar 'debate' problems. The goal: show that without agreed rules, math is ambiguous. We NEED ord

Edodovivmagarwal
Mathematics - Pre-Algebra - Order of operations (PEMDAS/BODMAS) - The Calculator Disagrees!
Log in

Preparing your experience...

Loading scripts and resources

Comments (0)

0/5000

Comments are reviewed before appearing publicly.

About this Experience

Mathematics - Pre-Algebra - Order of operations (PEMDAS/BODMAS) - The Calculator Disagrees!

vivmagarwal
vivmagarwalJan 29, 2026

Description

Show: '2 + 3 × 4 = ?' One student says 20 (doing left to right: 5×4). Another says 14 (doing multiplication first: 2+12). 'Who is right?' Answer: 14, because multiplication comes before addition. Do 4 similar 'debate' problems. The goal: show that without agreed rules, math is ambiguous. We NEED ord

Details

MathematicsPre-AlgebraStage 5, Class 5, Class 5, PYP Grade 5, Grade 5

Engagement

18

Likes

0

Remixes

20

Comments

Browse all experiences