Keep an eye on the sky! Kids will not only review important terms and concepts about the weather, they'll practice observing different weather patterns, recording temperatures and making predictions.

Learn to lasso numbers with an estimation round-up! Rounding and estimation are tools that can help kids add or subtract large sums quickly. And it's a skill that they can use in everyday activities.

Improve your pattern-recognition and estimation skills as you practice multiplication and division. Children use techniques like breaking down numbers and fast addition to arrive at the correct answer — and to understand the concepts behind the proc

In this arrays 101 workbook, we explore and practice concepts like multiplication, repeated addition, factors, and products — all using arrays!

From irregular measurements to using a ruler this workbook exposes kids to math vocabulary all about guessing and measuring lengths and sizes of objects.

Kids count and get familiar with patterns in numbers from one to 100. Using the hundred chart first graders can count and add by ones and by tens to build a strong base.

Expand children's problem-solving arsenal with this fundamentals of multiplication workbook.

Second graders will develop a deeper understanding of place value in this engaging math workbook.