Want to help your second-grader master the basics of 2nd grade math? Here are some of the skills your child will be learning in the classroom. Count forward within 1000. Count by 5s. Count and add by ...

Column subtraction is a way of subtracting larger numbers. It is called column subtraction, because you write one number underneath the other, using place value to sort the tens and ones in separate ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This illustrated pamphlet describes ...