Place Value/Writing Expression
Estimation
Volume/PEMDAS
Multiplication/Division
Number Riddles
100

The value of the 6 in 456,324

What is 6,000

100

Write an estimation and solve for this problem:

73 x 54

What is 70 x 50 = 3,500

100

(3x2)-5

What is 1?

100

Solve (Show your work on whiteboard)

43 x 15 

What is 645

100

I am a 4 digit number.

My worth is 5x1,000

My worth is 3x100

Only one of the 2s is worth 20. The other is 1/10 as much

What is 5,322?

200

Write an expression based on this statement: The product of 9 and 4 divided by 3.

What is (9x4)/3

200

Write an estimate and solve for this problem:

66 x 37

What is 70 x 40 = 2,800

200

The volume of l=5, w=2, h=7 in inches

What is 70 inches3?

200

Solve (Show your work on whiteboard)

359 x 4 

What is 1,436

200

I am a 5 digit number

My worth is 6x10,000

My worth is 4x1,000

One of my 7s is worth 70. The 7 is worth 10 times as much

My other digit is 0

What is 64,770?

300

The value of the 3 in 3,045,258

What is 3,000,000?

300

Write an estimate and solve for this problem:

235 / 4 

What is 240 / 4 = 60

300
25-3x4+(5-2)

What is 16?

300

Solve (Show your work on whiteboard)

663 / 3 

What is 221

300

Make the largest number with these numbers 5,6, 9, 3, 0, 7

What is 976,530?

400

Write and expression based on the statement: Double to sum of 5 and 8.

What is 2 x (5+8)

400

Write an estimate and solve for this problem:

476 x 23

What is 500 x 20 = 10,000

400

Volume for B=12 h=5 feet

What is 60 feet3?

400

Solve (Show your work on whiteboard)

364 / 7 

What is 52

400

I have 5 digits

My 5 is worth 50,000

My 8 is worth 8x1,000

One of my 6s is worth 60. The other is worth 10 times as much

My other digit is 2

What is 58,662?

500

Write an expression based on the statement: 5 less than 14

What is 14-5

500

Write an estimate and solve for this problem:

822 / 9

810 / 9 = 90

500

{(6x5)-10} + (8x7) - 5

What is 71?

500

Solve (Show your work on whiteboard)

874 x 26

What is 22,724

500

I have 5 digits

My 4s are worth 4(10,000) and 4x10

My one of my 3s is worth 3,000

The other 3 is worth 1/10 as much

My other digit is 2

What is 43,342?

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