Teaching 2nd grade addition using part-whole models? This comprehensive lesson package is perfect for teaching students how to solve addition problems using bar models based on the Singapore Math ...

The simplest ideas in mathematics can also be the most perplexing. Take addition. It’s a straightforward operation: One of the first mathematical truths we learn is that 1 plus 1 equals 2. But ...

266 engaging word problems covering addition, subtraction, multiplication, and division. Ideal for students in 3rd to 5th grade to reinforce math skills. Instant download, printable PDF format - ...