## Addition and subtraction with 100 grids and 100 chart

Grades 1-3 Using 100 grids to solve addition and subtraction problems is a great way for students to understand place value and regrouping. Placing/coloring tens and ones on a 100 (or more) grid helps them represent the first number and then add or subtract the second. They can see how …

## “Decimal Number Builder” Build decimal numbers with base 10 blocks (digital activity)

Understanding place value is essential for developing a solid foundation of mathematical understanding. The Base 10 blocks are a great manipulative for visualizing and understanding place value for whole numbers and for decimal numbers. We have already created two free digital activities/tools to practice modeling whole numbers with base 10 …

## Representing Decimal Numbers using base 10 blocks. (Printable and Digital Activity Cards)

Understanding place value is essential for developing a solid foundation of mathematical understanding. The Base 10 blocks are a great manipulative for visualizing and understanding place value for whole numbers and for decimal numbers. When introducing Decimals I always start with decimal fractions and how they can be represented with …

## “Number Builder” ( 6-digit digital activity/tool with base 10 blocks)

“Number Builder” is a digital activity/tool that works with base ten blocks. We all know how important it is for students to practice representing numbers with base ten blocks to gain a deep understanding of place value and regrouping. In my search for the perfect digital activities/games that use 10 …

## Decomposing numbers 11-20 using 10 Frames and Base 10 blocks, Addition/Subtraction

Grades K,1,2 Decomposing numbers 11-20 with Ten Frames and Base 10 Blocks helps students deepen their understanding and find relations and strategies that improve their mental math skills. We have created some printable and digital cards to practice decomposing numbers 11-20. Here are some samples. Printable Task-Cards Digital (google slides) …