Place Value
Riddles
How many?
10 times as much or 1/10 of
Which Place?
100

What is the value of the underlined number?

1,308

1,000

100

I have a 2 in the tens place and a 4 in the ones place.

24

100

If I add 10 to 650, how many do I have?

660

100

10 times as much as 430

4,300

100

How many hundreds blocks are in 345?

3

200

What is the value of the underlined number?

39,764

30,000

200

I have a 4 in the hundreds place, an 8 in the tens place, and a 9 in the ones place.

489

200

If I add 10 to 431, how many tens will I have?

4

200

100 times as much as 100

10,000

200

What number is in the hundreds place? 246

2

300

What is the value of the underlined number?

57,803

800

300

I have an 8 in the ones place, a 1 in the hundreds place, a 7 in the tens place, and a 4 in the thousands place.

4,178

300

If I add 100 to 390, what is my new number? What place value changed?

490; hundreds

300

1/10 of 300

30

300

What is in the ones place?

6

400

What is the value of the underlined number?

423,610

400,000

400

I have an 8 in the tens place, a 1 in the thousands place, a 7 in the hundreds place, and a 6 in the ones place.

1,786

400

If I add 100 to 122 and then add 10 more, what is my new number?

232

400

1/10 of 90,000

9,000

400

Which has a larger number in the tens place?

457 or 436

457

500

What is the value of the underlined number?

98,000,643

90,000,000

500

I have a 6 in the tens place.

I have another 6 in a place that is 10 times larger than the 6 in the tens place.

I have an 8 in the ones place.

I have another 8 that is 1,000 times larger than the 8 in the ones place.

8,668

500

If I add 1,000 to 492 and then subtract 10, what is my new number?

1,392

500

10 times as much as 43,987

439,870

500

What number has the smallest number in the ones place? 

503 or 472

472

M
e
n
u