Math Major 1 Review

Place Value Power

100

In the number 584,263, what is the value of the digit 8?

80,000

200

In 736,491, which digit is in the thousands place?

6

300

In 444,444, how many times greater is the value of the 4 in the ten-thousands place than the 4 in the thousands place?

10 times greater

400

A digit has a value of 70,000 in the number 672,315. What digit is it, and what place is it in?

7; ten-thousands place

500

In the number 525,260, compare the value of the 5 in the hundred-thousands place to the 5 in the thousands place. How many times greater is it?

100 times greater

Name That Number

100

Write 36,425 in expanded form.

30,000 + 6,000 + 400 + 20 + 5

200

Write 208,714 in word form.

two hundred eight thousand, seven hundred fourteen

300

What number is represented by:
400,000 + 20,000 + 7,000 + 300 + 9?

427,309

400

Write six hundred three thousand, forty-two in standard form.

603,042

500

A number has 8 hundred-thousands, 3 ten-thousands, 0 thousands, 6 hundreds, 2 tens, and 9 ones. Give the number in standard form and expanded form.

830,629; 800,000 + 30,000 + 600 + 20 + 9

Greater, Less, or Equal?

100

Which is greater: 54,321 or 54,231?

54,321

200

Fill in the symbol:
307,892 ___ 307,982

<

300

Put these numbers in order from least to greatest:
451,209; 415,920; 451,029; 415,902

415,902; 415,920; 451,029; 451,209

400

Which number is greater: 650,099 or 649,999? Explain using place value.

650,099, because the ten-thousands digits are 5 and 4, so 650,099 is greater.

500

Fill in the missing digit to make the statement true:
483,7□2 > 483,762
What digits could go in the box?

7, 8, or 9

Round It!

100

Round 4,672 to the nearest hundred.

4,700

200

Round 38,249 to the nearest thousand.

38,000

300

Round 465,782 to the nearest ten thousand.

470,000

400

Round 749,501 to the nearest hundred thousand.

700,000

500

A number rounds to 350,000 when rounded to the nearest ten thousand. Which could be the original number?
A. 344,999
B. 345,201
C. 355,001
D. 359,999

345,201

Number Detectives

100

I have 6 digits. My hundred-thousands digit is 4, and all my other digits are 0. What number am I?

400,000

200

I am greater than 72,450 but less than 72,500. Which could I be?
A. 72,405
B. 72,475
C. 72,504
D. 72,550

B. 72,475

300

I am a six-digit number. I have a 5 in the hundred-thousands place, 8 in the thousands place, 4 in the tens place, and 2 in the ones place. All other digits are zero. What number am I?

508,042

400

Mia says 367,892 rounds to 400,000 when rounded to the nearest hundred thousand. Is she correct? Explain.

Yes. The ten-thousands digit is 6, so 367,892 rounds up to 400,000.

500

I am a six-digit number.

• I am greater than 425,000 but less than 430,000.
• My thousands digit is 7.
• My hundreds digit is half my thousands digit rounded down to a whole number.
• My tens digit is 2 more than my hundreds digit.
• My ones digit is 0.

What number am I?

427,350