Curated OER
Expanded Form
Explore place value through re-writing these two-digit numbers in expanded form. For example, 47 becomes 40 + 7. There is one example to model this, and scholars complete 14 more on their own. Be sure they understand this process as...
Math Salamanders Ltd.
Adding 1s, 10s, 100s, and 1000s
In this addition activity, students complete a 13-row chart. They start with three or four-digit numbers and add 1, 10, 100, or 1000 to each number to fill in the chart. The last four questions require subtraction because the initial...
ClassFlow
Class Flow: Math Templates
[Free Registration/Login Required] A group of math templates including a blank calendar, a hundreds board you can use for number patterns (only colors the square you click on), an invisible numbers 100s chart, a blank 10 x10 graph/grid,...
Other
The Math Learning Center: Math Tools Number Pieces
Number pieces help students develop a deeper understanding of place value while building their computation skills. Click on the number pieces to move them to the board and arrange as needed!