Round each of the numbers below to the nearest ten and the nearest hundred. Record the rounded numbers in the provided spaces. Analyze the rounded numbers within each set. In small groups discuss what you noticed within each set and how each set is similar or different. Hold a whole class discussion to address the questions below. Set 1 Number Set 2 Rounded to the Rounded to the nearest 10 nearest 100 Number Rounded to the Rounded to the nearest 10 nearest 100 8,519 2,331 8,524 2,339 8,515 2,334 8,520 2,336 Set 3 Number Set 4 Rounded to the Rounded to the nearest 10 nearest 100 Number Rounded to the Rounded to the nearest 10 nearest 100 6,497 4,995 6,562 5,001 6,596 5,004 6,523 4,998 Did you like this resource?
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Questions for Whole Class Discussion: 1. Which numbers were difficult to round to the nearest ten? 2. Which numbers were difficult to round to the nearest hundred? 3. How can you round to the nearest ten, but have zero in the tens place? 4. How can you round to the nearest hundred, but have zero in the hundreds place? 5. What do these three numbers have in common when rounded to the nearest ten: 35, 41, 44? 6. What do these three numbers have in common when rounded to the nearest hundred: 423, 475, 551? Common Core Standard: 3.NBT.1: Use place value understanding to round whole numbers to the nearest 10 or 100. Copyright ©Learning Plus Associates, 2015 Answer Key
Round each of the numbers below to the nearest ten and the nearest hundred. Record the rounded numbers in the provided spaces. Analyze the rounded numbers within each set. In small groups discuss what you noticed within each set and how each set is similar or different. Hold a whole class discussion to address the questions below. Set 1 Number Set 2 Rounded to the Rounded to the nearest 10 nearest 100 Number Rounded to the Rounded to the nearest 10 nearest 100 8,519 8,520 8,500 2,331 2,330 2,300 8,524 8,520 8,500 2,339 2,340 2,300 8,515 8,520 8,500 2,334 2,330 2,300 8,520 8,520 8,500 2,336 2,340 2,300 Set 3 Number Set 4 Rounded to the Rounded to the nearest 10 nearest 100 Number Rounded to the Rounded to the nearest 10 nearest 100 6,497 6,500 6,500 4,995 5,000 5,000 6,562 6,560 6,600 5,001 5,000 5,000 6,596 6,600 6,600 5,004 5,000 5,000 6,523 6,520 6,500 4,998 5,000 5,000 Copyright ©Learning Plus Associates, 2015 Did you like this resource?
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In the group discussion, students should note the following: In Set 1 of the numbers, they all rounded to the same ten (8,520) and to the same hundred (8,500). In Set 2, two of the numbers rounded to the same ten (2,330) and the other two rounded to a different same ten (2,340), but all four rounded to the same hundred (2,300). In Set 3, two of the numbers rounded to the same number in both the ten and hundreds place (6,500 and 6,600). The other two numbers rounded to different tens (6,560 and 6,520), but they rounded to the same numbers as the first two when rounded to the hundreds place (6,600 and 6,500). In Set 4, the numbers all rounded to the same number in the tens and hundreds place, but the number is 5,000. Questions for Whole Class Discussion: 1. Which numbers were difficult to round to the nearest ten? (Answers will vary.) 2. Which numbers were difficult to round to the nearest hundred? (Answers will vary.) 3. How can you round to the nearest ten, but have zero in the tens place? (When the nearest ten is a hundred, there is a zero in the tens place.) 4. How can you round to the nearest hundred, but have zero in the hundreds place? (When the nearest hundred is a thousand, there is a zero in the hundreds place.) 5. What do these three numbers have in common when rounded to the nearest ten: 35, 41, 44? (They all round to 40.) 6. What do these three numbers have in common when rounded to the nearest hundred: 423, 475, 551? (They round to 400, 500, and 600.) Common Core Standard: 3.NBT.1: Use place value understanding to round whole numbers to the nearest 10 or 100. Copyright ©Learning Plus Associates, 2015