I love having a theme and focus! Recently I’ve written several posts about number talks and mental strategies for computation. Check out Adding on a 120 Chart, Exploring Addition Strategies, and More Mental Math Strategies. So far, I haven’t really talked...
After a recent post on addition strategies, I had a reader email me and ask about subtraction strategies. She was working with her daughter on homework, and while she understood better how to help with addition after reading the post, she was a little perplexed about...
Yesterday, I blogged about using a 120 chart for adding 2-digit numbers. Today, I’m going to put some names to those mental strategies and show how to record the strategies on an open number line (also called an empty number line). This post contains affiliate...
I love combining great math with technology. If that sounds good to you, too, you’ll want to check out these free number sense technology tools from DreamBox. Check out this interactive rekenrek. Rekenreks help students develop strong benchmarks of five and ten,...
Are you looking for a good daily routine to develop your students’ number sense? There’s a good chance you already have two great tools in your classroom that can do just that–a hundred chart and a number line. Many teachers use the day of the school...
