Riddles A
Multi-digit Multiplication
Numerical Expressions
PEMDAS w/o Brackets
PEMDAS w/ Brackets
Riddles B
100

A woman is sitting in her hotel room when there is a knock at the door. She opens the door to find a man whom she has never seen before. The man said "oh I'm sorry, I thought this was my room." He then went down the hallway and took the elevator. The woman went back into her room and phoned security. Why?

YOU DON'T KNOCK ON THE DOOR OF YOUR OWN ROOM.

100

Solve using any strategy.  35 x 44

1,540

100

Write a numerical expression for the following problem.

Four players share 52 cards equally.

52 / 4

100

Evaluate using PEMDAS.  12 + 45 / 9

17

100

Evaluate using PEMDAS.

[(4 x 5) - (10 / 5)] + 6

24

100

Mr. Red lives in the red house. Mr. Blue lives in the blue house. Mrs. Pink lives in the pink house. Who lives in the white house?

PRESIDENT JOE BIDEN

200

A bus driver goes the wrong way on a one way street. He passes the cops but they don't stop him. Why?

BECAUSE HE WAS WALKING

200

Solve using any strategy:  89 x 67

5,963

200

Write a numerical expression for the following problem.

Kimmy picks up 14 shells for her collection while walking on the beach.  She realizes some of them are broken so she drops 7.  Then she finds 8 more.

(14 - 7) +  8

200

Evaluate using PEMDAS.  9 - ( 3 x 2 ) + 10

13

200

Evaluate using PEMDAS. [(3 x 6) + (2 x 1)] / 10

2

200

If you have me you want to share me, if you share me you won't have me. What am I?

A SECRET

300

Spelled forwards I'm what you do everyday, spelled backwards I'm something you hate. What am I?

LIVE/EVIL

300

Solve using any strategy: 532 x 71

37,772

300

Write a numerical expression for the following problem.

Samuel bought 12 glow-in-the-dark markers.  He gave 3 to his sister and 3 to his brother.

12 - (3 + 3)

300

Evaluate using PEMDAS.  4 x 25 - 100 / 5

80

300

Evaluate using PEMDAS.

30 / [(19 - 11) - (9 - 7)]

5

300

If I eat, I am fine. If I drink, I die. What am I?

 FIRE

400

I am only one color, but not one size, stuck at the bottom, yet easily I fly. Present in the sun, but not in the rain, I do no harm and feel no pain. What am I?

a SHADOW

400

Solve using any strategy:  579 x 94

54,426

400

Write a numerical expression for the following problem.

Eddie had $50.  He then worked 8 hours for $6 each hour.

$50 + (8 x $6)

400

Evaluate using PEMDAS.  26 - (67 - 12) / 5

15

400

Evaluate using PEMDAS.  

124 - [(100 - 7) + (16 - 9)]

24

400

I'm tall when I'm young and short when I'm old. What am I?

a CANDLE

500

When I take five and add six, I get eleven, but when I take six and add seven, I get one. What am I?

a CLOCK

500

Solve using any strategy:  3,457 x 86

297,302

500

Write a numerical expression for the following problem.

Stacey has $30 to spend on Amazon.  She spends $20 on books and $8 on a set of markers.

$30 - ($20 + $8)

500

Evaluate using PEMDAS.  (5 + 48) - 3 x 7 + 2

34

500

Evaluate using PEMDAS.  10 x [(85 + 3) - (11 x 2)]

660

500

The more you have of it, the less you see.

Darkness

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