Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

Hoping to help your fifth-grader with math skills? Here are some basic tips that experts suggest for fifth-graders. As the math they’re learning becomes more complicated and less obviously connected ...

Want to help your fifth-grader master math? Here are some of the skills your fifth-grader will be learning in the classroom. Explain or illustrate how you solved this problem. Tip: Highlight ...