Place Value Puzzles
In the number 4,308,725, what digit is in the thousands place?
8
What is 103 in standard notation?
1,000
Use U.S. Traditional Multiplication:
24 x 16 = ?
384
Mental Math:
1,232 ÷ 4 = ?
308
How many ounces in 1 pound?
16 ounces
Write this number in standard form:
5,000 + 600 + 70 + 4
5,674
Write 100,000 as a power of 10.
105
Use U.S. Traditional Multiplication:
87 x 23 = ?
2,001
Use partial quotients:
1,363 ÷ 27 = ?
50 R 13
Convert 3 lb to ounces.
48 oz
Write 4,308,725 in expanded form.
4,000,000 + 300,000 + 8,000 + 700 + 20 + 5.
Compare:
Sir Timmy: 937 x 105
Lady Patricia: 652 x 106
Write both numbers in standard form, and the name of the person with the larger number?
Sir Timmy: 93,700,000
Lady Patricia: 652,000,000
Use U.S. Traditional Multiplication:
388 x 26 = ?
10,088
A gym has 372 baseballs, but needs somewhere to store them. Each container holds 30 baseballs. How many containers should they order to put all the baseballs in?
13 containers
Convert 20 lbs to ounces
320 oz
Riddle: I have 5 digits.
My 6 is worth 60,000. My 5 is worth 5,000.
One of my 3s is worth 30. The other 3 is worth 10× as much.
My other digit is 9.
What number am I? Write in standard and expanded form.
65,339
(60,000 + 5,000 + 300 + 30 + 9)
Express 4,300,000 in scientific form.
Example: (348 × 103) = 348,000
(43 x 105)
Use U.S. Traditional Multiplication:
597 x 18 = ?
10,746
Mental Math:
2,400 ÷ 6 = ?
400
David is mailing a package. Items weigh 5 lb.
Box + padding weighs 14 oz.
What is the total weight of the package in ounces? Show your work.
94 ounces
(5 lb = 5×16 = 80 oz; 80 oz + 14 oz = 94 oz.)
Riddle: I have 6 digits.
One of my 4s is worth 400,000. The other 4 is worth 1/10 as much.
My 2 is worth 200. My 6 is worth 60.
My other digits are 0.
What number am I? Write in standard and expanded form.
440,260
(400,000 + 40,000 + 0 + 200 + 60 + 0)
Challenge: (See if you can figure this out.)
Express 4,308,725 in scientific form.
Example: (348 × 103) = 348,000
(4.308725 × 106)
Use U.S. Traditional Multiplication: (Challenge)
798 x 364 = ?
290,472
Use partial quotients:
5,672 ÷ 18 = ?
315 R 2
Convert 12 lb and 9 oz, to ounces.
201 ounces
(12 lb = 192 oz; 192 oz + 9 oz = 201 oz)