Khan Academy Wiki

The Place value blocks exercise appears under the 4th grade (U.S.) Math Mission. This exercise practices using place value blocks to find values of numbers.

Types of problems[]

There are two types of problems in this exercise:

Place value blocks

Find the correct place value model

Place value blocks2

Determine what number is shown by the place value blocks.

  1. Which place value model shows ___ ?: This has a number and user is asked to find which place value model with blocks is equivalent to it.
  2. What number is shown by the place value blocks?: This has a place value model with blocks and user is asked to find which number it shows

Strategies[]

Basic knowledge of place value is required for this exercise.

  1. The cube block has a value of 1,000, the square block has a value of 100, the skinny tall block has a value of 10, and the shorter blocks have a value of less than 10.

Real-life Applications[]

  1. Place value is used for writing checks.
  2. A common example of place value is money (example: $1.69 means that there is 1 whole (dollar), 6 tenths (dimes), and 9 hundredths (pennies)).