4th Grade Math Review

Number Names

100

The number name for 528

five hundred twenty-eight

200

The number name for 8,783

eight thousand seven hundred eighty-three

300

Standard form for fifteen thousand, nine hundred seventy-two

15,972

400

The number name for 544,692

five hundred forty-four thousand, six hundred ninety-two

500

The number name for 506,752,480

five hundred six million, seven hundred fifty-two thousand, four hundred eighty

600

The number name for 12,564,317

twelve million, five hundred sixty-four thousand, three hundred seventeen

Expanded Form

100

This number in expanded form: 643

600 + 40 + 3 or (6 x 100) + (4 x 10) + (3 x 1)

200

This number in standard form: 7000 + 400 + 3

7403

300

This number in expanded form: 543,219

500,000 + 40,000 + 3,000 + 200 + 10 + 9 or (5 x 100,000) + (4 x 10,000) + (3 x 1,000) + (2 x 100) + (1 x 10) + (9 x 1)

400

This number in expanded form: 13,300,407

10,000,000 + 3,000,000 + 300,000 + 400 + 7 or (1 x 10,000,000) + (3 x 1,000,000) + (3 x 100,000) + (4 x 100) + (7 x 1)

500

What is this number in standard form: 700,000,000 + 5,000,000 + 600,000 + 8,000 + 900 + 1

705,608,901

600

Betty wrote the number 54,603,437 in expanded form as 54,000,000 + 603,000 + 437. What was her mistake, and what is the correct way to write 54,603,437 in expanded form?

She wrote the expanded form by periods instead of each individual place value. 50,000,000 + 4,000,000 + 600,000 + 3,000 + 400 + 30 + 7 or (5 x 10,000,000) + (4 x 1,000,000) + (6 x 100,000) + (3 x 1,000) + (4 x 100) + (3 x 10) + (7 x 1)

Rounding

100

When we round, if the number to the right of the digit we are rounding is less than 5, what do we do?

round down

200

Round this number to the tens place: 544

540

300

Round this number to the hundreds place: 4,172

4,200

400

Round this number to the ten thousands place: 123,456

120,000

500

Round this number to the hundreds place: 43,732,563

43,732,600

600

Use rounding to estimate the sum of these two numbers: 4,515 + 7,807

13,000

Place Value

100

What is the place value of the underlined digit: 563

tens place

200

What is the place value of the underlined digit: 340,526

thousands place

300

What is the value of the digit in the hundred thousands place in this number: 423,385

400,000

400

What is the value of the digit in the millions place: 412,048,124

2,000,000

500

What is the place value of the underlined digit: 307,545,617

ten millions

600

What place value comes after hundred millions?

billions

Comparing

100

Which number is greater: 5,304 or 5,034

5,304

200

Which symbol belongs in between the two numbers: 60,457 ____ 60,447

>

300

What symbol belongs in between the two numbers: 70,504 _____ (70,000 + 500 + 40)

<

400

What symbol belongs in between these two numbers: (500,000 + 4,000 + 600 + 70) ____ (5 x 100,000) + (4 x 1,000) + (6 x 100) + (7 x 10)

=

500

Compare these two numbers: 67,124 & 67,134

67,124 < 67,134

67,134 > 67,124

600

What symbol belongs in between these two numbers: seven hundred million, fifty-two thousand, six hundred eighty-two _____ 700,520,682

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