Curriculum placement
Grade 4. This describes the skill, not a learner estimate.
Place value of large whole numbers
Read compare and round multidigit whole numbers
Problem types
- Value of a digit after it shifts
- Match a number name and a numeral
- Read or locate a number on a large number line
- Value of a digit
- Compare large numbers
- Round large numbers
- Ten times the place to its right
- Select the forms equal to a number
- A number between two numbers
- Which comparison is true?
- Order whole numbers into places
- Name the place of every digit
- Build a number from its place values
- Choose the symbol for two comparisons
Builds on
- Rounding whole numbers
- Comparing three-digit numbers · Earlier idea
The same left-to-right place comparison works for any number of digits.
- Ten more and ten less · Earlier idea
Each place is ten times the place to its right, which is the idea behind ten more or ten less, applied to larger numbers.
Leads to
- Dividing by a one-digit number
- Powers of 10 and place value
- Decimal place value through thousandths · Extend the idea
Rounding a whole number looks at the digit just right of the rounding place. The same rule rounds a decimal to the nearest tenth or hundredth, with places that are worth one tenth as much each step to the right.
- Logarithms as inverses of exponentials · Extend the idea
A number with n digits is between 10 to the power n - 1 and 10 to the power n, so counting digits estimates its base-10 logarithm.
Related skills
- Multi-step word problems · Shared foundations
Open the interactive map to explore lessons and skill connections.