Mental math skills are really important to develop. Kids practice metal computation by first adding the hundreds then the tens and ones. There are nine addition and nine subtraction problems to solve. This attractive worksheet is...

Exercise those mental math muscles! This instructional activity contains 10 addition and 10 subtraction problems which require learners to compute sums or differences in their heads. A quick review at the top of the page provides a...

Developing fluency with basic addition and subtraction is fundamental to the success of all young mathematicians. This four-day lesson series begins with learners using ten-frames and hundreds charts to recognize patterns when adding and...

Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition instructional activity, 2nd graders learn to add and subtract three-digit numbers with...

Second graders study money amounts less than a dollar. In this math lesson, 2nd graders practice counting coins. Students read various stories and discuss how money was used in the stories.

First graders practice place value by completing problems that allow them to group 10 items together to create groups of 10 and see what is left over. In this place value lesson plan, 1st graders use cups to put 10 items in them, and...