Number Relationships

Compose/decompose numbers up to 100,000 as a sum of so many ten thousands, so many thousands, so many hundreds, so many tens, and so many ones using objects, pictorial models, and numbers, including expanded notation

• Help practice writing numbers correctly by saying large numbers and having your child write them down. Students can create their own place value charts to help.
• Ask how many ones, tens, and hundreds are in numbers that you and your child come across.

Compare and order whole numbers up to 100,000

Represent comparisons using the symbols >, <, or =

• Provide opportunities for your child to compare numbers in real life situations. For example, you might say, “I have 106 pennies in my jar. You have 160 pennies in your piggy bank. Which of us has the greater amount? How do you know?”

Round to the nearest 10 or 100 or use compatible numbers to estimate

• Ask your child to round everyday measurements to the nearest ten or hundred. For example, after you pump gas, ask your child to round the number of gallons to the nearest ten.