BIDMAS Murder MysteryAnswer the questions to solve the mystery and find out what weapon was used, where the murder took place, what day it happened and who the murderer was.

Clue 1: Weapon of Choice

Calculate the answer to each question. The answer with the highest value was the weapon of choice.

Weapon of choice:

Clue 2: Location

A drop of blood was found at the scene. The solution which does not contain a 3 or 4 was the location of the crime.

Location:

10 ÷ 2 × 0.5 8 + 4 ÷ 4 + 9 0 ÷ 5 × 3 × 4

7 ÷ (10 + 3 – 6) (4 + 1 × 4) ÷ 2 9 ÷ 9 × (8 + 7)

2 × 25 – 2 × 3 20 ÷ 10 × 2 24 – 6 × 2

15 – 3 × 4 4 + 5 × 6 4 – 4 + 3 × 11

Garden BathroomKitchen

Dining Room LoungeGames Room

Pipe Light fittingBag

Spanner PoisonRope

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Clue 3: Day

The day with the correct solution was the day the crime took place.

Day:

BIDMAS Murder Mystery

8 + 5 × 3 ÷ 6 = 10.5 28 – 6 + 2 × 5 = 120 6 – 3 ÷ 2 = 1.5

2 × 2 + 5 = 14 52 × 2 ÷ 5 = 2.5 6 × (2 + 5) – 3 = 14

Friday SaturdayThursday

Tuesday WednesdayMonday

Clue 4: Motive

After solving each question, find your answer in the grid and write down the corresponding letter to find out the motive for the crime.

9 6 1 25 16 24 20 34 68

T D N C A E I W S

9 + 2 + (9 – 6)2 8 + √9 ÷ 3 (4 + 2)2 – 2 4 × (4 – 2)2 4 + (5 + 3)2 √43 + 8 6 + √49 – 6 × 2

20 – 8 ÷ 2 (2 + 3)3 ÷ 5 4 × 10 ÷ 2 + 5 -5 + 52 ÷ 1 54 ÷ (6 ÷ 2)2 36 ÷ 3√27 × 2 36 – (3 + 3)2 + 1 1 + 4 × 2

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Clue 5: ‘Who Dunnit’?

All the suspects have an alibi. They claim they were in the local secondary schools teaching students how to use BIDMAS! The police give each suspect a problem to solve.

Find out who used BIDMAS correctly to uncover who is telling the truth. The person who gave an incorrect answer is the murderer.

BIDMAS Murder Mystery

Lady Lavender Mister MeadowMs. Burgundy

Sergeant Grey Sir KetchupProfessor Peach

5 + 32 ÷ 2 = 7 -4 × (5 + 10) ÷ -4 = 15 24 - 7 × 3 ÷ 3 = 17

5 + 2 × 4 = 13 10 × 4 ÷ 2 = 20 2 + 10 ÷ 2 = 7

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Clue 2: Location

A drop of blood was found at the scene. The solution which does not contain a 3 or 4 was the location of the crime.

Location: Bathroom

Clue 1: Weapon of Choice

Calculate the answer to each question. The answer with the highest value was the weapon of choice.

Weapon of choice: Pipe

BIDMAS Murder Mystery AnswersAnswer the questions to solve the mystery and find out what weapon was used, where the murder took place, what day it happened and who the murderer was.

10 ÷ 2 × 0.5 = 2.5 8 + 4 ÷ 4 + 9 = 18 0 ÷ 5 × 3 × 4 = 0

7 ÷ (10 + 3 – 6) = 1 (4 + 1 × 4) ÷ 2 = 4 9 ÷ 9 × (8 + 7) = 15

2 × 25 – 2 × 3 = 44 20 ÷ 10 × 2 = 4 24 – 6 × 2 = 12

15 – 3 × 4 = 3 4 + 5 × 6 = 34 4 – 4 + 3 × 11 = 33

Garden BathroomKitchen

Dining Room LoungeGames Room

Pipe Light fittingBag

Spanner PoisonRope

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Clue 3: Day

The day with the correct solution was the day the crime took place.

Day: Thursday

BIDMAS Murder Mystery Answers

8 + 5 × 3 ÷ 6 = 10.5 28 – 6 + 2 × 5 = 120 6 – 3 ÷ 2 = 1.5

2 × 2 + 5 = 14 52 × 2 ÷ 5 = 2.5 6 × (2 + 5) – 3 = 14

Friday SaturdayThursday

Tuesday WednesdayMonday

Clue 4: Motive

After solving each question, find your answer in the grid and write down the corresponding letter to find out the motive for the crime.

9 6 1 25 16 24 20 34 68

T D N C A E I W S

9 + 2 + (9 – 6)2 8 + √9 ÷ 3 (4 + 2)2 – 2 4 × (4 – 2)2 4 + (5 + 3)2 √43 + 8 6 + √49 – 6 × 2

I T W A S A N

20 – 8 ÷ 2 (2 + 3)3 ÷ 5 4 × 10 ÷ 2 + 5 -5 + 52 ÷ 1 54 ÷ (6 ÷ 2)2 36 ÷ 3√27 × 2 36 – (3 + 3)2 + 1 1 + 4 × 2

A C C I D E N T

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Clue 5: ‘Who Dunnit’?

All the suspects have an alibi. They claim they were in the local secondary schools teaching students how to use BIDMAS! The police give each suspect a problem to solve.

Find out who used BIDMAS correctly to uncover who is telling the truth. The person who gave an incorrect answer is the murderer.

Murderer: Ms. Burgundy

BIDMAS Murder Mystery Answers

Lady Lavender Mister MeadowMs. Burgundy

Sergeant Grey Sir KetchupProfessor Peach

5 + 32 ÷ 2 = 7 -4 × (5 + 10) ÷ -4 = 15 24 - 7 × 3 ÷ 3 = 17

5 + 2 × 4 = 13 10 × 4 ÷ 2 = 20 2 + 10 ÷ 2 = 7

visit twinkl.com