4.2B & 4.2G

Front

What is expanded notation?

Back

Expanded notation is a way of writing numbers that shows the value of each digit. For example, 648.52 can be written as (6×100) + (4×10) + (8×1) + (5×0.1) + (2×0.01).

Front

Write 648.52 in expanded notation.

Back

(6×100) + (4×10) + (8×1) + (5×0.1) + (2×0.01)

Front

What is the value of the digit 7 in the number 1,714,773?

Back

The value of the digit 7 in 1,714,773 is (7×100,000) or 700,000.

Front

Write 1,714,773 in expanded notation.

Back

(1×1,000,000) + (7×100,000) + (1×10,000) + (4×1,000) + (7×100) + (7×10) + (3×1)