SJ 7.12 lesson

SJ 7.12 lesson

Number: Representing whole numbers using exponents

Directions - math notebook

In your math notebook, show different ways to represent or describe this number.

Answer - examples

• five hundred thirty-six thousand eight hundred ten

• 53 thousands, 68 hundreds, 10 ones

• (5 x 100,000) + (3 x 10,000) + (6 x 1,000) + (8 x 100) + (1 x 10) + (0 x 1)

Directions - math notebook

In your math notebook, show different ways to represent or describe this number.

Answer - examples

• twenty-four million nine hundred 30 thousand, seven hundred

• (2 x 10,000,000) + (4 x 1,000,000) + (9 x 100,000) + (3 x 10,000) + (0 x 1,000) + (7 x 100) + (0 x 10) + (0 x 1)

Information

These are some ways to show the number 8,000.

For the expanded form, the value in the hundreds, tens, and ones place is shown but is not really necessary.

Direction - math notebook

Write equations for the number 538 in your math notebook.

Answer

Directions - math notebook

Here are two ways to represent the number 372, 195.

Write an equation with exponents in your math notebook.

Answer

Directions - math notebook

Write two expressions for this number

Answer

• (4 x 10,000) + (2 x 1,000) + (6 x 10) + (8 + 1)

• (4 x 10⁴) + (2 x 10³) + (6 x 10¹) + (8 x 10⁰)

Directions - math notebook

Write two expressions for this number

Answer

• (8 x 1,000,000) + (1 x 100,000) + (4 x 1,000) + (7 x 100) + (9 x 10) + (2 x 1)

• (8 x 10⁶) + (1 x 10⁵) + (4 x 10³) + (7 x 10²) + (9 x 10¹) + (2 x 10⁰)