Unit Plan
AAA Math

Aaa Math: Thousandths as Decimals

For Students 4th - 6th Standards
This site explains how to identify the thousandths place value. Includes games to practice this skill.
Unit Plan
Khan Academy

Khan Academy: Write Numbers in Different Forms

For Students 1st - 3rd Standards
Practice breaking numbers into hundreds, tens, and ones. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a tutorial video, or receive hints.
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abcteach

Abcteach: Select a Math Problem Type

For Teachers Pre-K - 1st
Generate worksheets for math problems ranging from simple addition problems to place value with expanded notation for free. Your choice of font, font size, color and landscape when printing.
Unit Plan
E-learning for Kids

E Learning for Kids: Math: Ice Cream Shop: Four Digit Numbers

For Students 3rd - 5th Standards
On this interactive site students learn to place numbers in ascending and descending order, write 4-digit numbers in expanded notation and discuss place value.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: Number of the Day

For Teachers Pre-K - 1st Standards
Repeatable, daily activities are one of the best ways to instill the counting sequence for children. This activity requires a 100 chart which can be made or purchased. Students will count the "Number of the Day" beginning with 1 on the...