Join Mrs, McCartney for a Number Talk with her friend Springling! Join Mrs, McCartney for a Number Talk with her friend Springling! Be ready to build 3-digit numbers in different ways with base ten ...

Refresh your knowledge with these guides on place value and calculations with whole numbers. Write the numbers one underneath the other, lining up the units place value digits. Start on the left to ...

Use Base-Ten diagrams and standard, expanded, and word forms to represent numbers. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Find Which One ...

To order numbers, you need to understand the place value of each digit. Starting with smallest value digits on the right, going up in value to the left. You can then see not just which number is ...