Activity: Adding 2-digit numbers Complete this interactive activity to learn more about adding numbers using column addition and then put your knowledge to the test with a quiz.

Join Mrs. Markavich for a missing addend word problem with Professor Barble! Next look out for two of favorite Math Might friends D.C. and Value Pak as they help use learn to add two-digit number ...

Join Mrs. Markavich for a word problem with her friend Professor Barble! Next get ready to have some fun with Value Pak as we add 2-digit numbers using base ten strategies!

Any time a Microsoft Word’s Find & Replace task goes beyond literal values, you might need wildcards. Susan Harkins will show you how to use these handy devices.

In fourth grade, students focus most on using all four operations - addition, subtraction, multiplication, and division - to solve multi-step word problems involving multi-digit numbers.