Comparing and Ordering Large Numbers

What is the first step in comparing two numbers?

• Start at the rightmost digit

• Start at the leftmost digit

• Compare the digits in the ones place first

• Compare the middle digits first

Which inequality symbol represents 'less than'?

• ≥

• <

• =

• >

In the example given, why is 176,000 greater than 175,499?

• Because 6 is greater than 5 in the thousands place

• Because 9 is greater than 8 in the ones place

• Because 7 is greater than 1 in the ten thousands place

• Because 1 is greater than 0 in the hundred thousands place

When comparing numbers, why is it helpful to line up the digits vertically?

• It helps in quickly identifying the larger number

• It helps in multiplying the numbers

• It makes it easier to add the numbers

• It makes the numbers look neat

What should you be careful about when using the trick of counting digits to compare numbers?

• It works for numbers with different place values

• It only works for numbers with the same number of digits

• It works for both whole numbers and decimals

• It only works for whole numbers

How should you read an inequality statement?

• From left to right

• From the ends to the middle

• From right to left

• From the middle to the ends

What does the alligator mouth in an inequality sign represent?

• The larger number

• The middle number

• The equal number

• The smaller number

What should you do if you are asked to order numbers from greatest to least?

• Start with the middle number

• Order them randomly

• Start with the largest number

• Start with the smallest number

Why is it important to read the directions carefully when ordering numbers?

• To ensure you order them from greatest to least

• To ensure you order them from least to greatest

• To ensure you order them alphabetically

• To ensure you follow the correct order as asked

What is a common mistake fourth graders make when ordering numbers?

• Ordering from least to greatest instead of greatest to least

• Using the wrong inequality symbol

• Not comparing the digits correctly

• Ordering alphabetically