Number Sense Review!

Compare It!

1

Fill in the correct symbol: (< > or =)

45,210 ___ 45,201

45,210 > 45,201

2

Fill in the correct symbol: (< > or =)

608,412 ___ 608,421

608,412 < 608,421

3

Which number is greater?

720,305 or 720,350

720,350

4

Fill in the correct symbol: (< > or =)

1,205,099 ___ 1,205,099

1,205,099 = 1,205,099

5

Which is the greatest number?

• 498,765
• 489,765
• 498,675

How do you know?

498,765

First Difference

1

Which place value is the first difference between these numbers?

543,210
532,999

Ten thousands place value

2

Which place value is the first difference?

614,059
614,509

Hundreds place value

3

Which number is greater? Explain using the first difference of place value.

725,401
725,491

725,491 

The first difference is in the tens place value: 0 < 9.

4

Which number is greater? Explain using the first difference of place value.

900,000
899,999

900,000

The hundred thousands place: 9 > 8.

5

Which number is greater? Explain using the first difference of place value.

1,000,001
999,999

1,000,001
The first difference is in the millions place value.

Three Forms

1

Write 4,205 in expanded form.

4,000 + 200 + 5

2

Write this number in word form:

70,304

Seventy thousand, three hundred four

3

Write this expanded form in standard form:

600,000 + 20,000 + 500 + 8

620,508

4

Write 405,012 in expanded form.

400,000 + 5,000 + 10 + 2

5

Write this number in both standard form AND word form:

500,000 + 30,000 + 700 + 20 + 4

530,724 

Five hundred thirty thousand, seven hundred twenty-four

Place Value

1

What is the value of the 6 in 364,215?

60,000

2

What is the value of the 8 in 482,306?

80,000

3

What digit is in the hundreds place?

705,214

2

4

What is the value of the 9 in 1,293,405?

90,000

5

Create a number that has:

• 7 in the hundred thousands place
• 3 in the thousands place
• 5 in the tens place

There are many possible answers! Show me yours. :)

Number Challenge

1

Which number does NOT belong?

• 400,000
• 450,000
• 405,000
• 45,000

There are different answers. Be prepared to explain your thinking!

Let's see what you came up with!

2

Put these numbers in order from LEAST to GREATEST:

305,210
350,210
305,201

305,201 → 305,210 → 350,210

3

Create a number that is:

Greater than 500,000 but less than 510,000.

Let's see what you thought of! :)

4

Put these numbers in order from GREATEST to LEAST:

1,200,005
1,020,500
1,205,000
1,200,050

1,205,000 → 1,200,050 → 1,200,005 → 1,020,500

5

MYSTERY NUMBER!

I am between 600,000 and 700,000.

• My hundred-thousands digit is 6.
• My ten-thousands digit is 4.
• My thousands digit is 2.
• My hundreds digit is 3.
• My tens digit is 5.
• My ones digit is 7.

What number am I?

642,357