Comparing and Rounding

What is the main reason we round whole numbers?

• To make them easier to work with for estimates.
• To change them into fractions or decimals.
• To always get a bigger number than before.
• To make them exactly correct in every detail.

When rounding a number to the nearest 10, which specific place value should you look at?

• The tens place
• The thousands place
• The hundreds place
• The ones place

What is the number 46 rounded to the nearest 10?

• 40
• 45
• 60
• 50

What is the number 256 rounded to the nearest 100?

• 250
• 200
• 350
• 300

A student rounds 4,750 to the nearest 1,000 and gets 4,000. What common mistake did they likely make?

• They rounded down when they should have rounded up.
• They looked at the tens place instead of hundreds.
• They rounded up when they should have rounded down.
• They looked at the thousands place instead of hundreds.

A news report says about 50,000 people attended a festival. Which of these actual attendance numbers would best support that rounded estimate?

• 55,000
• 44,999
• 45,001
• 49,000

If a number rounded to the nearest 1000 is 20,000, which of these could have been the original number?

• 17,400
• 29,005
• 10,500
• 20,496

Which sign correctly compares the numbers 234,567 and 249,999?

• 234,567 = 249,999
• 234,567 + 249,999
• 234,567 < 249,999
• 234,567 > 249,999