Rounding to the nearest ten thousand & hundred thousand

Roundingto the nearestten thousand & hundred thousand • A Teacher-Led Presentation • Virginia Standards of Learning • (SOL) 4.1c • The student will identify • (orally and inwriting) • the place value for each digit in a whole number expressed through millions;

TEACHER NOTES • This presentation is a resource to assist with teaching students to read large numbers by identifying periods and place value. • The lesson gives students only two answers to choose from. This reinforces the idea of a particular place value staying the same or increasing by one. • There is opportunity to assess student understanding, so make sure students have pencil and paper (or math notebooks) available.

Round this number to the nearest ten thousand. 127,983 The 2 is in the ten thousands place. Look to the right . The 7 helps you decide. Will the 2stay the same or become a 3. 130,000 120,000 or

Round this number to the nearest ten thousand. 683,157 The 8 is in the ten thousands place. Look to the right . The 3 helps you decide. Will the 8stay the same or become a 9? 690,000 680,000 or

Round this number to the nearest ten thousand. 4,673,152 The 7 is in the ten thousands place. Look to the right . The 3 helps you decide. Will the 7stay the same or become a 8? 680,000 670,000 or

Round this number to the nearest hundred thousand. 205,983 The 2 is in the hundred thousands place. Look to the right . The 0 helps you decide. Will the 2 stay the same or become a 3? 200,000 300,000 or

Round this number to the nearest hundred thousand. 631,248 The 6 is in the hundred thousands place. Look to the right . The 3 helps you decide. Will the 6stay the same or become a 7? 600,000 700,000 or

Let’s Practice Together • Can you identify: • which number is in the given place? • which number will help you decide? • two possible answers?

Round this number to the nearest hundred thousand. 631,248 Which number is in the hundred thousands place? Which number will help you decide how to round? What are the two possible answers? 600,000 700,000 or

Round this number to the nearest hundred thousand. 837,422 Which number is in the hundred thousands place? Which number will help you decide how to round? What are the two possible answers? 800,000 9,000,000 or

Try These On Your Own • Round to the nearest hundred thousand: • 349,128 • 254,498 • 561,490 • 789,120 • 451,308 • 300,000 • 300,000 • 600,000 • 800,000 • 500,000

Try These On Your Own • Round to the nearest • hundred thousand: • 279,169 • 174,495 • 597,341 • 148,743 • 63,620 • 300,000 • 200,000 • 600,000 • 100,000 • 100,000

Try These On Your Own • Round to the nearest ten thousand: • 349,128 • 254,498 • 561,490 • 789,120 • 451,308 • 350,000 • 250,000 • 560,000 • 790,000 • 450,000

Try These On Your Own • Round to the nearest ten thousand: • 279,169 • 174,495 • 597,341 • 148,743 • 63,620 • 280,000 • 180,000 • 600,000 • 150,000 • 60,000

Rounding to the nearest ten thousand & hundred thousand