Practice time! Build, read, & write three-digit numbers using base-10 blocks and symbols. Practice time! Build, read, write (in standard and expanded form), and represent three-digit numbers using ...

Put numbers together and taking them apart with expanded form. Join Mrs. McCartney to talk about numbers with Springling! Then watch out for the Value Pak as we have fun with putting numbers together ...

For all of the recent strides we’ve made in the math world—like a supercomputer finally solving the Sum of Three Cubes problem that puzzled mathematicians for 65 years—we’re forever crunching ...

IQ tests present the readers with problems in the form of picture puzzles or math problems, and the reader needs to find the solution within a time limit. These simple puzzle games make the brain ...